AI Post Transformers

AI Post Transformers

By mcgrofTechnology
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AI Post Transformers episodes

  • Real Context Size and Context Rot
    In this episode, Hal Turing and Dr. Ada Shannon return to a term they used in their Recursive Language Models conversation without fully defining it: context rot. Using Chroma Research’s 2025 write-up as the main anchor, they explain context rot as the degraded, uneven, and unreliable use of information as prompts get longer—even on simple tasks. The discussion makes the central distinction the industry often blurs: advertised context capacity is not the same as usable context. A model may accept 128K or even a million tokens without crashing, but that does not mean it can reliably retrieve, connect, and reason over what was placed inside that buffer.
    They pair Chroma’s failure analysis with RULER, the 2024 NVIDIA-led benchmark paper asking a more practical question: what is a model’s real context size, meaning the longest prompt length at which performance remains satisfactory? The episode walks through why older long-context tests, especially vanilla needle-in-a-haystack retrieval, were too flattering. Hal and Ada discuss how simple retrieval benchmarks mostly measure lexical lookup, while stronger evaluations must test reference tracing, aggregation across documents, resilience to distraction, and whether the model is actually using the supplied prompt rather than answering from parametric knowledge stored in its weights. They also briefly credit the Gemini 1.5 technical report for explicitly calling on the field to build harder long-context benchmarks, then situate RULER alongside the benchmark ecosystem that followed, including LongBench and InfiniteBench, with a dedicated RULER episode coming soon.
    The larger thesis is that a giant context window should not be mistaken for memory. For retrieval-augmented generation, document-grounded assistants, and agent systems, a long prompt is at best an unstructured buffer—a cluttered desk or overstuffed backpack—not a real memory architecture. As the hosts argue, once context rot sets in, simply adding more tokens stops helping and can actively degrade reliability. If the goal is AI systems that truly remember and reason across large bodies of information, then memory and storage have to become first-class design elements: managed, tiered, retrievable, structured, and persistent, rather than just a bigger pile of tokens shoved into the prompt.
    Sources:
    1. RULER: What's the Real Context Size of Your Long-Context Language Models? — Cheng-Ping Hsieh, Simeng Sun, Samuel Kriman, Shantanu Acharya, Dima Rekesh, Fei Jia, Yang Zhang, Boris Ginsburg, 2024
    http://arxiv.org/abs/2404.06654
    2. LongBench: A Bilingual, Multitask Benchmark for Long Context Understanding — Yushi Bai, Xin Lv, Jiajie Zhang, Hongchang Lyu, Jiankai Tang, Zhidian Huang, Zhengxiao Du, Xiao Liu, Aohan Zeng, Lei Hou, Yuxiao Dong, Jie Tang, Juanzi Li, 2023
    http://arxiv.org/abs/2308.14508
    3. Red Teaming Language Models to Reduce Harms: Methods, Scaling Behaviors, and Lessons Learned — Andy Zou, Zifan Wang, Nicholas Carlini, Milad Nasr, J. Zico Kolter, Matt Fredrikson and others, 2024
    https://scholar.google.com/scholar?q=Red+Teaming+Language+Models+to+Reduce+Harms%3A+Methods%2C+Scaling+Behaviors%2C+and+Lessons+Learned
    4. JailbreakBench: An Open Robustness Benchmark for Jailbreaking Large Language Models — A team including researchers from academia and industry; commonly cited under the JailbreakBench project authorship, 2024
    https://scholar.google.com/scholar?q=JailbreakBench%3A+An+Open+Robustness+Benchmark+for+Jailbreaking+Large+Language+Models
    5. Holistic Evaluation of Language Models — Percy Liang, Rishi Bommasani, Tony Lee, Dmitriy Ryaboy and many collaborators, 2022
    https://scholar.google.com/scholar?q=Holistic+Evaluation+of+Language+Models
    6. Do Anything Now: Characterizing and Evaluating In-The-Wild Jailbreak Prompts on Large Language Models — Researchers studying jailbreak prompt collections from public communities; commonly cited as a characterization study of DAN-style prompts, 2024
    https://scholar.google.com/scholar?q=Do+Anything+Now%3A+Characterizing+and+Evaluating+In-The-Wild+Jailbreak+Prompts+on+Large+Language+Models
    7. Lost in the Middle: How Language Models Use Long Contexts — Nelson F. Liu, Kevin Lin, John Hewitt, Ashwin Paranjape, Michele Bevilacqua, Fabio Petroni, Percy Liang, 2024
    https://scholar.google.com/scholar?q=Lost+in+the+Middle%3A+How+Language+Models+Use+Long+Contexts
    8. Needle In A Haystack - Pressure Testing LLMs — Greg Kamradt, 2023
    https://scholar.google.com/scholar?q=Needle+In+A+Haystack+-+Pressure+Testing+LLMs
    9. LongBench: A Bilingual, Multitask Benchmark for Long Context Understanding — Yucheng Bai, Xintong Lu, Lianghao Wang, Xiaoxuan Liu, Weisheng Wang, Bo Zheng, Hongting Lin, Xinyu Dai, Wayne Xin Zhao, Ruifeng Xu, 2024
    https://scholar.google.com/scholar?q=LongBench%3A+A+Bilingual%2C+Multitask+Benchmark+for+Long+Context+Understanding
    10. L-Eval: Instituting Standardized Evaluation for Long Context Language Models — Chenglong Su, Jiarui Fang, Haozhe Ji, et al., 2024
    https://scholar.google.com/scholar?q=L-Eval%3A+Instituting+Standardized+Evaluation+for+Long+Context+Language+Models
    11. InfiniteBench: Extending Long Context Evaluation Beyond 100K Tokens — Yifan Zhang, Weizhi Wang, et al., 2024
    https://scholar.google.com/scholar?q=InfiniteBench%3A+Extending+Long+Context+Evaluation+Beyond+100K+Tokens
    12. BAMBOO: A Comprehensive Benchmark for Evaluating Long Text Modeling Capacities of Large Language Models — Ying Sheng, et al., 2024
    https://scholar.google.com/scholar?q=BAMBOO%3A+A+Comprehensive+Benchmark+for+Evaluating+Long+Text+Modeling+Capacities+of+Large+Language+Models
    13. Retrieval Augmented Generation or Long-Context LLMs? A Comprehensive Study and Hybrid Approach — Tianle Cai, et al., 2024
    https://scholar.google.com/scholar?q=Retrieval+Augmented+Generation+or+Long-Context+LLMs%3F+A+Comprehensive+Study+and+Hybrid+Approach
    14. Rethinking the Role of Scaling Laws in the Long Context Performance of Large Language Models — Various 2024 long-context scaling studies cited around Liu et al./Young et al., 2024
    https://scholar.google.com/scholar?q=Rethinking+the+Role+of+Scaling+Laws+in+the+Long+Context+Performance+of+Large+Language+Models
    15. LongBench v2: Towards Deeper Understanding and Reasoning on Realistic Long-Context Multitasks — approx. Bai et al. / THUDM-affiliated LongBench follow-up team, 2024
    https://scholar.google.com/scholar?q=LongBench+v2%3A+Towards+Deeper+Understanding+and+Reasoning+on+Realistic+Long-Context+Multitasks
    16. LongBench Pro: A More Realistic and Comprehensive Bilingual Long-Context Evaluation Benchmark — approx. LongBench/THUDM-style benchmark authors, 2024
    https://scholar.google.com/scholar?q=LongBench+Pro%3A+A+More+Realistic+and+Comprehensive+Bilingual+Long-Context+Evaluation+Benchmark
    17. Why Does the Effective Context Length of LLMs Fall Short? — approx. unknown from snippet, 2024
    https://scholar.google.com/scholar?q=Why+Does+the+Effective+Context+Length+of+LLMs+Fall+Short%3F
    18. BABILong-ITA: A New Benchmark for Testing Large Language Models Effective Context Length and a Context Extension Method — approx. unknown from snippet, 2024
    https://scholar.google.com/scholar?q=BABILong-ITA%3A+A+New+Benchmark+for+Testing+Large+Language+Models+Effective+Context+Length+and+a+Context+Extension+Method
    19. Precursors, Proxies, and Predictive Models for Long-Horizon Tasks — approx. unknown from snippet, 2024
    https://scholar.google.com/scholar?q=Precursors%2C+Proxies%2C+and+Predictive+Models+for+Long-Horizon+Tasks
    20. The What, Why, and How of Context Length Extension Techniques in Large Language Models--A Detailed Survey — approx. unknown from snippet, 2024
    https://scholar.google.com/scholar?q=The+What%2C+Why%2C+and+How+of+Context+Length+Extension+Techniques+in+Large+Language+Models--A+Detailed+Survey
    21. AI Post Transformers: Doc-to-LoRA: Internalizing Context as LoRA — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-29-doc-to-lora-internalizing-context-as-lor-8dd5ec.mp3
    22. AI Post Transformers: MEMSEARCHER: Reinforcement Learning for LLM Memory Management — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-04-04-memsearcher-reinforcement-learning-for-l-e9ad84.mp3
    23. AI Post Transformers: From Prefix Cache to Fusion RAG Cache: Accelerating LLM Inference in Retrieval-Augmented Generation — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-22-from-prefix-cache-to-fusion-rag-9c5d39.mp3
    24. AI Post Transformers: AI Agent Traps and Prompt Injection — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-04-02-ai-agent-traps-and-prompt-injection-7ce4ba.mp3
    25. AI Post Transformers: LookaheadKV: Fast and Accurate KV Cache Eviction by Glimpsing into the Future without Generation — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-lookaheadkv-fast-and-accurate-kv-9cfc9f.mp3
    26. AI Post Transformers: Lookahead Q-Cache for Consistent KV Eviction — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-lookahead-q-cache-for-consistent-kv-evic-d97b09.mp3
    27. AI Post Transformers: Splitwise: Phase-Split LLM Inference — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-26-splitwise-phase-split-llm-inference-e8945b.mp3
    Interactive Visualization: Real Context Size and Context Rot
    0 min
  • Speculative Decoding in Real vLLM Serving
    This episode explores whether speculative decoding’s widely cited inference speedups survive real deployment conditions, using a January 2026 UC Berkeley paper that evaluates the method inside vLLM rather than in idealized toy benchmarks. It explains the core mechanics of draft-and-verify decoding, then digs into why acceptance length, verification cost, scheduler behavior, batching, KV-cache management, and long generations can erase much of the theoretical advantage in production serving stacks. The discussion also clarifies the difference between speculative decoding and multi-token prediction, situating approaches like MEDUSA and EAGLE within the broader effort to reduce autoregressive bottlenecks. Listeners interested in LLM systems will find it compelling because it shifts the conversation from flashy benchmark bar charts to the practical question of what actually improves wall-clock latency for real workloads.
    Sources:
    1. Speculative Decoding: Performance or Illusion? — Xiaoxuan Liu, Jiaxiang Yu, Jongseok Park, Ion Stoica, Alvin Cheung, 2025
    http://arxiv.org/abs/2601.11580
    2. FlashAttention: Fast and Memory-Efficient Exact Attention with IO-Awareness — Tri Dao, Daniel Y. Fu, Stefano Ermon, Atri Rudra, Christopher Ré, 2022
    https://scholar.google.com/scholar?q=FlashAttention%3A+Fast+and+Memory-Efficient+Exact+Attention+with+IO-Awareness
    3. Efficient Memory Management for Large Language Model Serving with PagedAttention — Woosuk Kwon, Zhuohan Li, Siyuan Zhuang, Ying Sheng, Lianmin Zheng, et al., 2023
    https://scholar.google.com/scholar?q=Efficient+Memory+Management+for+Large+Language+Model+Serving+with+PagedAttention
    4. Ring Attention with Blockwise Transformers for Near-Infinite Context — William Bevington, et al., 2023
    https://scholar.google.com/scholar?q=Ring+Attention+with+Blockwise+Transformers+for+Near-Infinite+Context
    5. Speculative Decoding: Exploiting Speculative Execution for Accelerating Seq2seq Generation — Yaniv Leviathan, Matan Kalman, Yossi Matias, 2023
    https://scholar.google.com/scholar?q=Speculative+Decoding%3A+Exploiting+Speculative+Execution+for+Accelerating+Seq2seq+Generation
    6. Fast Inference from Transformers via Speculative Decoding — Yaniv Leviathan, Matan Kalman, Yossi Matias, 2023
    https://scholar.google.com/scholar?q=Fast+Inference+from+Transformers+via+Speculative+Decoding
    7. MEDUSA: Simple LLM Inference Acceleration Framework with Multiple Decoding Heads — Tianle Cai, Yuhong Li, Zhengxu Chen, et al., 2024
    https://scholar.google.com/scholar?q=MEDUSA%3A+Simple+LLM+Inference+Acceleration+Framework+with+Multiple+Decoding+Heads
    8. EAGLE: Speculative Sampling Requires Rethinking Feature Uncertainty — Yuhui Li, et al., 2024
    https://scholar.google.com/scholar?q=EAGLE%3A+Speculative+Sampling+Requires+Rethinking+Feature+Uncertainty
    9. Speculative Decoding: Performance or Illusion? — Xiaoxuan Liu, Jiaxiang Yu, Jongseok Park, Ion Stoica, Alvin Cheung, 2026
    https://scholar.google.com/scholar?q=Speculative+Decoding%3A+Performance+or+Illusion%3F
    10. vLLM: Easy, Fast, and Cheap LLM Serving with PagedAttention — Woosuk Kwon, Zhuohan Li, Siyuan Zhuang, et al., 2023
    https://scholar.google.com/scholar?q=vLLM%3A+Easy%2C+Fast%2C+and+Cheap+LLM+Serving+with+PagedAttention
    11. EAGLE-3 — Authors as cited in the paper's related work, 2024
    https://scholar.google.com/scholar?q=EAGLE-3
    12. Multi-Token Prediction — Liu et al.; Zeng et al., 2025
    https://scholar.google.com/scholar?q=Multi-Token+Prediction
    13. Unlocking Efficiency in Large Language Model Inference: A Comprehensive Survey of Speculative Decoding — Xia et al., 2024
    https://scholar.google.com/scholar?q=Unlocking+Efficiency+in+Large+Language+Model+Inference%3A+A+Comprehensive+Survey+of+Speculative+Decoding
    14. A Systematic Study of Speculative Decoding in Computation-Bound Regimes — Liu et al., 2024
    https://scholar.google.com/scholar?q=A+Systematic+Study+of+Speculative+Decoding+in+Computation-Bound+Regimes
    15. N-Gram Speculative Decoding — Saxena; Somasundaram et al., 2023/2024
    https://scholar.google.com/scholar?q=N-Gram+Speculative+Decoding
    16. Determinism and Nondeterminism in LLM Inference — He, 2025
    https://scholar.google.com/scholar?q=Determinism+and+Nondeterminism+in+LLM+Inference
    17. Block Verification Accelerates Speculative Decoding — unknown from snippet, likely 2024-2025
    https://scholar.google.com/scholar?q=Block+Verification+Accelerates+Speculative+Decoding
    18. Draft & Verify: Lossless Large Language Model Acceleration via Self-Speculative Decoding — Zhang et al. / likely 2024, 2024
    https://scholar.google.com/scholar?q=Draft+%26+Verify%3A+Lossless+Large+Language+Model+Acceleration+via+Self-Speculative+Decoding
    19. MagicDec: Breaking the Latency-Throughput Tradeoff for Long Context Generation with Speculative Decoding — unknown from snippet, likely 2024-2025
    https://scholar.google.com/scholar?q=MagicDec%3A+Breaking+the+Latency-Throughput+Tradeoff+for+Long+Context+Generation+with+Speculative+Decoding
    20. SpecDec++: Boosting Speculative Decoding via Adaptive Candidate Lengths — unknown from snippet, likely 2024-2025
    https://scholar.google.com/scholar?q=SpecDec%2B%2B%3A+Boosting+Speculative+Decoding+via+Adaptive+Candidate+Lengths
    21. Adaptive Speculative Decoding for Large Language Models — unknown from snippet, likely 2024
    https://scholar.google.com/scholar?q=Adaptive+Speculative+Decoding+for+Large+Language+Models
    22. Opt-Tree: Speculative Decoding with Adaptive Draft Tree Structure — unknown from snippet, likely 2024-2025
    https://scholar.google.com/scholar?q=Opt-Tree%3A+Speculative+Decoding+with+Adaptive+Draft+Tree+Structure
    23. Draft Model Knows When to Stop: Self-Verification Speculative Decoding for Long-Form Generation — unknown from snippet, likely 2024-2025
    https://scholar.google.com/scholar?q=Draft+Model+Knows+When+to+Stop%3A+Self-Verification+Speculative+Decoding+for+Long-Form+Generation
    24. Draft Model Knows When to Stop: A Self-Verification Length Policy for Speculative Decoding — unknown from snippet, likely 2025
    https://scholar.google.com/scholar?q=Draft+Model+Knows+When+to+Stop%3A+A+Self-Verification+Length+Policy+for+Speculative+Decoding
    25. AI Post Transformers: Adaptive Control for Batched Speculative Decoding in LLM Serving — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/adaptive-control-for-batched-speculative-decoding-in-llm-serving/
    26. AI Post Transformers: Building Production-Ready Speculative Decoding with TensorRT-LLM — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/building-production-ready-speculative-decoding-with-tensorrt-llm/
    27. AI Post Transformers: Apple's Speculative Streaming: Fast LLM Inference without Auxiliary Models — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/apples-speculative-streaming-fast-llm-inference-without-auxiliary-models/
    28. AI Post Transformers: Episode: Speculative Speculative Decoding — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-speculative-speculative-decoding-1b7a10.mp3
    29. AI Post Transformers: Continuous Batching for LLM Inference: Throughput and Latency Gains — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/continuous-batching-for-llm-inference-throughput-and-latency-gains/
    30. AI Post Transformers: Splitwise: Phase-Split LLM Inference — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-26-splitwise-phase-split-llm-inference-e8945b.mp3
    Interactive Visualization: Speculative Decoding in Real vLLM Serving
    31 min
  • Recursive Language Models for Arbitrarily Long Prompts
    This episode explores a 2026 MIT CSAIL paper on “Recursive Language Models,” which argues that handling very long prompts may be better framed as a systems problem than a bigger-context-window problem. It explains the distinction between hard context overflow and “context rot,” where models technically fit long inputs but increasingly fail to use them reliably, challenging the assumption that larger windows automatically mean better memory. The discussion connects this idea to inference-time compute scaling, chain-of-thought, tree search, and agentic AI, showing how models can iteratively inspect external information, use tools, and update state instead of forcing everything through a single forward pass. Listeners would find it interesting because it offers a concrete alternative to the current long-context arms race and suggests a different path for building more capable, reliable language systems.
    Sources:
    1. Recursive Language Models — Alex L. Zhang, Tim Kraska, Omar Khattab, 2025
    http://arxiv.org/abs/2512.24601
    2. Theoretical expressive power of reasoning models — Merrill & Sabharwal, 2024
    https://scholar.google.com/scholar?q=Theoretical+expressive+power+of+reasoning+models
    3. Context Rot — Hong et al., 2025
    https://scholar.google.com/scholar?q=Context+Rot
    4. Baleen: Robust Multi-Hop Reasoning at Scale via Condensed Retrieval — Khattab et al., 2021
    https://scholar.google.com/scholar?q=Baleen%3A+Robust+Multi-Hop+Reasoning+at+Scale+via+Condensed+Retrieval
    5. OpenAI context compaction work — OpenAI, 2025
    https://scholar.google.com/scholar?q=OpenAI+context+compaction+work
    6. Smith long-context compaction work — Smith, 2025
    https://scholar.google.com/scholar?q=Smith+long-context+compaction+work
    7. Wu et al. task-specific long-context methods — Wu et al., 2021
    https://scholar.google.com/scholar?q=Wu+et+al.+task-specific+long-context+methods
    8. Wu et al. context compaction / long-context scaffolding — Wu et al., 2025
    https://scholar.google.com/scholar?q=Wu+et+al.+context+compaction+%2F+long-context+scaffolding
    9. Anthropic self-delegation / sub-agent work — Anthropic, 2025
    https://scholar.google.com/scholar?q=Anthropic+self-delegation+%2F+sub-agent+work
    10. Schroeder et al. self-delegation work — Schroeder et al., 2025
    https://scholar.google.com/scholar?q=Schroeder+et+al.+self-delegation+work
    11. Sun et al. self-delegation work — Sun et al., 2025
    https://scholar.google.com/scholar?q=Sun+et+al.+self-delegation+work
    12. Deep research benchmark/work — Chen et al., 2025
    https://scholar.google.com/scholar?q=Deep+research+benchmark%2Fwork
    13. Information aggregation benchmark/work — Bertsch et al., 2025
    https://scholar.google.com/scholar?q=Information+aggregation+benchmark%2Fwork
    14. Code repository understanding benchmark/work — Bai et al., 2025
    https://scholar.google.com/scholar?q=Code+repository+understanding+benchmark%2Fwork
    15. Qwen3 technical report — Yang et al., 2025
    https://scholar.google.com/scholar?q=Qwen3+technical+report
    16. Core Context Aware Transformers for Long Context Language Modeling — approx. 2024 long-context transformer authors, 2024
    https://scholar.google.com/scholar?q=Core+Context+Aware+Transformers+for+Long+Context+Language+Modeling
    17. Challenges in Deploying Long-Context Transformers: A Theoretical Peak Performance Analysis — approx. 2024 systems/theory authors, 2024
    https://scholar.google.com/scholar?q=Challenges+in+Deploying+Long-Context+Transformers%3A+A+Theoretical+Peak+Performance+Analysis
    18. Recursively Summarizing Enables Long-Term Dialogue Memory in Large Language Models — approx. 2024 dialogue-memory authors, 2024
    https://scholar.google.com/scholar?q=Recursively+Summarizing+Enables+Long-Term+Dialogue+Memory+in+Large+Language+Models
    19. Augmenting Language Models with Long-Term Memory — approx. LONGMEM authors, 2024
    https://scholar.google.com/scholar?q=Augmenting+Language+Models+with+Long-Term+Memory
    20. Retrieval Augmented Generation or Long-Context LLMs? A Comprehensive Study and Hybrid Approach — approx. 2024/2025 comparative-study authors, 2024/2025
    https://scholar.google.com/scholar?q=Retrieval+Augmented+Generation+or+Long-Context+LLMs%3F+A+Comprehensive+Study+and+Hybrid+Approach
    21. LongRAG: Enhancing Retrieval-Augmented Generation with Long-Context LLMs — approx. LongRAG authors, 2024/2025
    https://scholar.google.com/scholar?q=LongRAG%3A+Enhancing+Retrieval-Augmented+Generation+with+Long-Context+LLMs
    22. Let's (Not) Just Put Things in Context: Test-Time Training for Long-Context LLMs — approx. 2025 test-time-training authors, 2025
    https://scholar.google.com/scholar?q=Let%27s+%28Not%29+Just+Put+Things+in+Context%3A+Test-Time+Training+for+Long-Context+LLMs
    23. Z1: Efficient Test-Time Scaling with Code — approx. Z1 authors, 2025
    https://scholar.google.com/scholar?q=Z1%3A+Efficient+Test-Time+Scaling+with+Code
    24. A Survey on Test-Time Scaling in Large Language Models: What, How, Where, and How Well? — approx. 2025 survey authors, 2025
    https://scholar.google.com/scholar?q=A+Survey+on+Test-Time+Scaling+in+Large+Language+Models%3A+What%2C+How%2C+Where%2C+and+How+Well%3F
    25. AI Post Transformers: NVIDIA: TTT-E2E: Unlocking Long-Context Learning via End-to-End Test-Time Training — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/nvidia-ttt-e2e-unlocking-long-context-learning-via-end-to-end-test-time-training/
    26. AI Post Transformers: Generalist Reward Modeling with Inference-Time Scaling — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/generalist-reward-modeling-with-inference-time-scaling/
    27. AI Post Transformers: AI Agent Traps and Prompt Injection — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-04-02-ai-agent-traps-and-prompt-injection-7ce4ba.mp3
    28. AI Post Transformers: Agentic AI and the Next Intelligence Explosion — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-28-agentic-ai-and-the-next-intelligence-exp-d06561.mp3
    29. AI Post Transformers: Experiential Reinforcement Learning: Internalizing Reflection for Better Policy Training — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/experiential-reinforcement-learning-internalizing-reflection-for-better-policy-t/
    Interactive Visualization: Recursive Language Models for Arbitrarily Long Prompts
    38 min
  • MEMSEARCHER: Reinforcement Learning for LLM Memory Management
    This episode explores a 2025 paper on MemSearcher, an LLM search agent that replaces full trajectory replay with a compact learned memory, trained end-to-end with reinforcement learning. It explains how this approach targets a core weakness of ReAct-style agents—ever-growing context windows that increase cost, latency, and noise—and contrasts it with both vanilla ReAct and Search-R1, which improves search behavior without explicitly learning what to retain. The discussion connects reinforcement learning, retrieval-augmented generation, agent memory systems, and reasoning-budget control, arguing that context management should be treated as part of the learned policy rather than an afterthought. Listeners interested in AI agents will find it compelling because it frames memory compression not just as an efficiency trick, but as a potentially important source of better search and reasoning performance.
    Sources:
    1. MemSearcher: Training LLMs to Reason, Search and Manage Memory via End-to-End Reinforcement Learning — Qianhao Yuan, Jie Lou, Zichao Li, Jiawei Chen, Yaojie Lu, Hongyu Lin, Le Sun, Debing Zhang, Xianpei Han, 2025
    http://arxiv.org/abs/2511.02805
    2. ReAct: Synergizing Reasoning and Acting in Language Models — Shunyu Yao, Jeffrey Zhao, Dian Yu, Nan Du, Izhak Shafran, Karthik Narasimhan, Yuan Cao, 2023
    https://scholar.google.com/scholar?q=ReAct%3A+Synergizing+Reasoning+and+Acting+in+Language+Models
    3. Search-R1 — Jin et al., 2025
    https://scholar.google.com/scholar?q=Search-R1
    4. DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models — Daya Guo, Dejian Yang, Haowei Zhang, et al., 2024
    https://scholar.google.com/scholar?q=DeepSeekMath%3A+Pushing+the+Limits+of+Mathematical+Reasoning+in+Open+Language+Models
    5. Proximal Policy Optimization Algorithms — John Schulman, Filip Wolski, Prafulla Dhariwal, Alec Radford, Oleg Klimov, 2017
    https://scholar.google.com/scholar?q=Proximal+Policy+Optimization+Algorithms
    6. Training Language Models to Self-Correct via Reinforcement Learning — Tianjun Zhang, et al., 2024
    https://scholar.google.com/scholar?q=Training+Language+Models+to+Self-Correct+via+Reinforcement+Learning
    7. Reflexion: Language Agents with Verbal Reinforcement Learning — Noah Shinn, Federico Cassano, Edward Berman, Ashwin Gopinath, Karthik Narasimhan, Shunyu Yao, 2023
    https://scholar.google.com/scholar?q=Reflexion%3A+Language+Agents+with+Verbal+Reinforcement+Learning
    8. Generative Agents: Interactive Simulacra of Human Behavior — Joon Sung Park, Joseph O'Brien, Carrie Cai, Meredith Ringel Morris, Percy Liang, Michael S. Bernstein, Michael Terry, 2023
    https://scholar.google.com/scholar?q=Generative+Agents%3A+Interactive+Simulacra+of+Human+Behavior
    9. ACon: Optimizing Context Compression for Long-Horizon LLM Agents — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=ACon%3A+Optimizing+Context+Compression+for+Long-Horizon+LLM+Agents
    10. Active Context Compression: Autonomous Memory Management in LLM Agents — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=Active+Context+Compression%3A+Autonomous+Memory+Management+in+LLM+Agents
    11. From Lossy to Verified: A Provenance-Aware Tiered Memory for Agents — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=From+Lossy+to+Verified%3A+A+Provenance-Aware+Tiered+Memory+for+Agents
    12. GRPO-: Credit Assignment Improves LLM Reasoning — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=GRPO-%3A+Credit+Assignment+Improves+LLM+Reasoning
    13. InT: Self-Proposed Interventions Enable Credit Assignment in LLM Reasoning — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=InT%3A+Self-Proposed+Interventions+Enable+Credit+Assignment+in+LLM+Reasoning
    14. CAPO: Towards Enhancing LLM Reasoning through Generative Credit Assignment — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=CAPO%3A+Towards+Enhancing+LLM+Reasoning+through+Generative+Credit+Assignment
    15. AgentGym-RL: Training LLM Agents for Long-Horizon Decision Making through Multi-Turn Reinforcement Learning — approx. unknown from snippet, 2025
    https://scholar.google.com/scholar?q=AgentGym-RL%3A+Training+LLM+Agents+for+Long-Horizon+Decision+Making+through+Multi-Turn+Reinforcement+Learning
    16. AI Post Transformers: Mem0: Scalable Long-Term Memory for AI Agents — Hal Turing & Dr. Ada Shannon, Tue,
    https://podcast.do-not-panic.com/episodes/mem0-scalable-long-term-memory-for-ai-agents/
    17. AI Post Transformers: Agentic AI and the Next Intelligence Explosion — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-28-agentic-ai-and-the-next-intelligence-exp-d06561.mp3
    18. AI Post Transformers: Experiential Reinforcement Learning: Internalizing Reflection for Better Policy Training — Hal Turing & Dr. Ada Shannon, Fri,
    https://podcast.do-not-panic.com/episodes/experiential-reinforcement-learning-internalizing-reflection-for-better-policy-t/
    19. AI Post Transformers: NVIDIA: TTT-E2E: Unlocking Long-Context Learning via End-to-End Test-Time Training — Hal Turing & Dr. Ada Shannon, Sat,
    https://podcast.do-not-panic.com/episodes/nvidia-ttt-e2e-unlocking-long-context-learning-via-end-to-end-test-time-training/
    20. AI Post Transformers: Doc-to-LoRA: Internalizing Context as LoRA — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-29-doc-to-lora-internalizing-context-as-lor-8dd5ec.mp3
    Interactive Visualization: MEMSEARCHER: Reinforcement Learning for LLM Memory Management
    34 min
  • QVCache for Semantic Caching in ANN Search
    This episode explores QVCache, a query-aware semantic cache designed to sit in front of any approximate nearest neighbor (ANN) backend and speed up vector search without significantly hurting recall. It explains why exact-match caching fails for embeddings, introduces the idea of temporal-semantic locality—where nearby-in-time queries are also nearby in embedding space—and argues that this pattern can let systems reuse recent ANN results instead of repeatedly paying the full latency and I/O cost of high-recall search. The discussion also grounds the paper in the broader vector retrieval landscape, covering recall@k, HNSW, Product Quantization, DiskANN, FAISS, and the role of vector databases in RAG and large-scale serving. Listeners would find it interesting for its practical systems focus: rather than proposing yet another index, the paper asks whether a backend-agnostic cache can deliver real speedups for production retrieval workloads.
    Sources:
    1. QVCache: A Query-Aware Vector Cache — Anıl Eren Göçer, Ioanna Tsakalidou, Hamish Nicholson, Kyoungmin Kim, Anastasia Ailamaki, 2026
    http://arxiv.org/abs/2602.02057
    2. A Survey on Nearest Neighbor Search Methods — Mohammad A. N. Arefin, et al. (survey literature varies by edition; commonly cited broad surveys include authors such as Li, Amsaleg, Houle, and others in the NNS literature), 2018
    https://scholar.google.com/scholar?q=A+Survey+on+Nearest+Neighbor+Search+Methods
    3. Product Quantization for Nearest Neighbor Search — Hervé Jégou, Matthijs Douze, Cordelia Schmid, 2011
    https://scholar.google.com/scholar?q=Product+Quantization+for+Nearest+Neighbor+Search
    4. Efficient and Robust Approximate Nearest Neighbor Search Using Hierarchical Navigable Small World Graphs — Yu. A. Malkov, D. A. Yashunin, 2018
    https://scholar.google.com/scholar?q=Efficient+and+Robust+Approximate+Nearest+Neighbor+Search+Using+Hierarchical+Navigable+Small+World+Graphs
    5. DiskANN: Fast Accurate Billion-Point Nearest Neighbor Search on a Single Node — Suhas Jayaram Subramanya, Devvrit, Rohan Kadekodi, Ravishankar Krishnaswamy, Harsha Vardhan Simhadri, 2019
    https://scholar.google.com/scholar?q=DiskANN%3A+Fast+Accurate+Billion-Point+Nearest+Neighbor+Search+on+a+Single+Node
    6. The FAISS Library — Jeff Johnson, Matthijs Douze, Hervé Jégou, 2021
    https://scholar.google.com/scholar?q=The+FAISS+Library
    7. Vespa: Serving Large-Scale Machine-Learned Relevance — Jon Bratseth and colleagues, 2023
    https://scholar.google.com/scholar?q=Vespa%3A+Serving+Large-Scale+Machine-Learned+Relevance
    8. pgvector: Open-Source Vector Similarity Search for Postgres — Andrew Kane, 2023
    https://scholar.google.com/scholar?q=pgvector%3A+Open-Source+Vector+Similarity+Search+for+Postgres
    9. Milvus: A Purpose-Built Vector Data Management System — Milvus/Zilliz engineering team and collaborators, 2021
    https://scholar.google.com/scholar?q=Milvus%3A+A+Purpose-Built+Vector+Data+Management+System
    10. A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting — Yoav Freund, Robert E. Schapire, 1997
    https://scholar.google.com/scholar?q=A+Decision-Theoretic+Generalization+of+On-Line+Learning+and+an+Application+to+Boosting
    11. Adaptive Subgradient Methods for Online Learning and Stochastic Optimization — John Duchi, Elad Hazan, Yoram Singer, 2011
    https://scholar.google.com/scholar?q=Adaptive+Subgradient+Methods+for+Online+Learning+and+Stochastic+Optimization
    12. Ad Click Prediction: a View from the Trenches — H. Brendan McMahan, Gary Holt, David Sculley, Michael Young, Dietmar Ebner, Julian Grady, et al., 2013
    https://scholar.google.com/scholar?q=Ad+Click+Prediction%3A+a+View+from+the+Trenches
    13. Bandit Algorithms for Website Optimization — John White, 2012
    https://scholar.google.com/scholar?q=Bandit+Algorithms+for+Website+Optimization
    14. The Case for Learned Index Structures — Tim Kraska, Alex Beutel, Ed H. Chi, Jeffrey Dean, and Neoklis Polyzotis, 2018
    https://scholar.google.com/scholar?q=The+Case+for+Learned+Index+Structures
    15. Semantic Caching and Query Processing — Qiong Luo, Jeffrey F. Naughton, Rajasekar Krishnamurthy, Pei Cao, and Yunrui Li, 2003
    https://scholar.google.com/scholar?q=Semantic+Caching+and+Query+Processing
    16. GPTCache: An Open-Source Semantic Cache for LLM Applications Enabling Faster Answers and Cost Savings — Zilliz / GPTCache contributors, 2023
    https://scholar.google.com/scholar?q=GPTCache%3A+An+Open-Source+Semantic+Cache+for+LLM+Applications+Enabling+Faster+Answers+and+Cost+Savings
    17. Adaptive Similarity Search Caching (or related similarity-caching theory cited as [12] and [38]) — As cited in the paper, Unknown from excerpt
    https://scholar.google.com/scholar?q=Adaptive+Similarity+Search+Caching+%28or+related+similarity-caching+theory+cited+as+%5B12%5D+and+%5B38%5D%29
    18. SPANN: Highly-efficient Billion-scale Approximate Nearest Neighbor Search — Qi Chen, Bingbing Wang, et al., 2021
    https://scholar.google.com/scholar?q=SPANN%3A+Highly-efficient+Billion-scale+Approximate+Nearest+Neighbor+Search
    19. Optimizing SSD-Resident Graph Indexing for High-Throughput Vector Search — approx. VeloANN authors, exact author list not recoverable from snippet, recent (likely 2024-2025)
    https://scholar.google.com/scholar?q=Optimizing+SSD-Resident+Graph+Indexing+for+High-Throughput+Vector+Search
    20. Quake: Adaptive indexing for vector search — approx. Quake authors, exact author list not recoverable from snippet, recent (likely 2024-2025)
    https://scholar.google.com/scholar?q=Quake%3A+Adaptive+indexing+for+vector+search
    21. Vector Search for the Future: From Memory-Resident, Static Heterogeneous Storage, to Cloud-Native Architectures — approx. survey/tutorial authors, exact author list not recoverable from snippet, recent
    https://scholar.google.com/scholar?q=Vector+Search+for+the+Future%3A+From+Memory-Resident%2C+Static+Heterogeneous+Storage%2C+to+Cloud-Native+Architectures
    22. GPT Semantic Cache: Reducing LLM Costs and Latency via Semantic Embedding Caching — approx. GPT semantic cache authors, exact author list not recoverable from snippet, recent
    https://scholar.google.com/scholar?q=GPT+Semantic+Cache%3A+Reducing+LLM+Costs+and+Latency+via+Semantic+Embedding+Caching
    23. AI Post Transformers: TurboQuant: Online Vector Quantization with Near-optimal Distortion Rate — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-turboquant-online-vector-quantiz-1967b7.mp3
    24. AI Post Transformers: Sentence-BERT: Siamese Networks for Sentence Embeddings — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/sentence-bert-siamese-networks-for-sentence-embeddings/
    25. AI Post Transformers: MEMRL: Self-Evolving Agents via Runtime Reinforcement Learning on Episodic — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/memrl-self-evolving-agents-via-runtime-reinforcement-learning-on-episodic/
    26. AI Post Transformers: Doc-to-LoRA: Internalizing Context as LoRA — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-29-doc-to-lora-internalizing-context-as-lor-8dd5ec.mp3
    Interactive Visualization: QVCache for Semantic Caching in ANN Search
    39 min
  • Kosmos AI Scientist for Autonomous Discovery
    This episode explores a 2025 paper on “Kosmos,” an AI scientist designed to carry out long-horizon research by combining literature search, hypothesis generation, code-based data analysis, and persistent memory. The discussion argues that the real innovation is not a smarter standalone language model, but a software architecture that uses agentic workflows and a structured “world model” to preserve evidence, hypotheses, and task state across many steps. It also clarifies key distinctions often blurred in AI discourse, separating AI for scientific discovery from standard deep learning, and distinguishing this kind of world model from the latent simulators used in reinforcement learning. Listeners would find it interesting for its grounded look at what it would actually take for AI to function like a junior computational scientist—and where the genuine advances may lie beyond hype.
    Sources:
    1. Kosmos: An AI Scientist for Autonomous Discovery — Ludovico Mitchener, Angela Yiu, Benjamin Chang, Mathieu Bourdenx, Tyler Nadolski, Arvis Sulovari, Eric C. Landsness, Daniel L. Barabasi, Siddharth Narayanan, Nicky Evans, Shriya Reddy, Martha Foiani, Aizad Kamal, Leah P. Shriver, Fang Cao, Asmamaw T. Wassie, Jon M. Laurent, Edwin Melville-Green, Mayk Caldas, Albert Bou, Kaleigh F. Roberts, Sladjana Zagorac, Timothy C. Orr, Miranda E. Orr, Kevin J. Zwezdaryk, Ali E. Ghareeb, Laurie McCoy, Bruna Gomes, Euan A. Ashley, Karen E. Duff, Tonio Buonassisi, Tom Rainforth, Randall J. Bateman, Michael Skarlinski, Samuel G. Rodriques, Michaela M. Hinks, Andrew D. White, 2025
    http://arxiv.org/abs/2511.02824
    2. The AI Scientist: Towards Fully Automated Open-Ended Scientific Discovery — Chris Lu, Cong Lu, Robert Tjarko Lange, Jakob Foerster, Jeff Clune, David Ha and collaborators at Sakana AI, 2024
    https://scholar.google.com/scholar?q=The+AI+Scientist%3A+Towards+Fully+Automated+Open-Ended+Scientific+Discovery
    3. Towards an AI co-scientist — Google Research collaborators including teams working on Gemini-based scientific reasoning systems, 2025
    https://scholar.google.com/scholar?q=Towards+an+AI+co-scientist
    4. Robin: an agentic system for automating scientific discovery in therapeutics — Andrew D. White, Samuel G. Rodriques and collaborators, 2024
    https://scholar.google.com/scholar?q=Robin%3A+an+agentic+system+for+automating+scientific+discovery+in+therapeutics
    5. Autonomous chemical research with large language models — Various groups; a representative line includes LLM-driven chemistry agents integrating planning, literature, and lab or simulation tools, 2023-2025
    https://scholar.google.com/scholar?q=Autonomous+chemical+research+with+large+language+models
    6. Robin — Not fully specified in the excerpt; cited as [1] and described as the authors' previous system, Unknown from excerpt
    https://scholar.google.com/scholar?q=Robin
    7. The AI Scientist — Sakana AI team; cited as [2], Likely 2024
    https://scholar.google.com/scholar?q=The+AI+Scientist
    8. AI co-scientist — Google team; cited as [3], Likely 2025
    https://scholar.google.com/scholar?q=AI+co-scientist
    9. Virtual Lab — Cited as [4]; exact authors not given in excerpt, Unknown from excerpt
    https://scholar.google.com/scholar?q=Virtual+Lab
    10. Edison Scientific data analysis agent — Cited as [5]; exact authors not given in excerpt, Unknown from excerpt
    https://scholar.google.com/scholar?q=Edison+Scientific+data+analysis+agent
    11. Edison Scientific literature search agent — Cited as [6]; exact authors not given in excerpt, Unknown from excerpt
    https://scholar.google.com/scholar?q=Edison+Scientific+literature+search+agent
    12. Planner Matters! An Efficient and Memory-Augmented Multi-agent Framework for Long-horizon GUI Planning — approx. recent multi-agent/planning paper, authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Planner+Matters%21+An+Efficient+and+Memory-Augmented+Multi-agent+Framework+for+Long-horizon+GUI+Planning
    13. Memory-Driven Agent Planning for Long-Horizon Tasks via Hierarchical Encoding and Dynamic Retrieval — approx. recent agent-memory paper, authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Memory-Driven+Agent+Planning+for+Long-Horizon+Tasks+via+Hierarchical+Encoding+and+Dynamic+Retrieval
    14. Optimus-1: Hybrid multimodal memory empowered agents excel in long-horizon tasks — approx. Optimus-1 authors, exact names unclear, 2024
    https://scholar.google.com/scholar?q=Optimus-1%3A+Hybrid+multimodal+memory+empowered+agents+excel+in+long-horizon+tasks
    15. Hallucination mitigation for retrieval-augmented large language models: a review — approx. review authors unclear, 2024/2025
    https://scholar.google.com/scholar?q=Hallucination+mitigation+for+retrieval-augmented+large+language+models%3A+a+review
    16. Grounding fallacies misrepresenting scientific publications in evidence — approx. authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Grounding+fallacies+misrepresenting+scientific+publications+in+evidence
    17. Zero-shot scientific claim verification using LLMs and citation text — approx. authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Zero-shot+scientific+claim+verification+using+LLMs+and+citation+text
    18. Learning fine-grained grounded citations for attributed large language models — approx. authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Learning+fine-grained+grounded+citations+for+attributed+large+language+models
    19. The cost of dynamic reasoning: Demystifying AI agents and test-time scaling from an AI infrastructure perspective — approx. authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=The+cost+of+dynamic+reasoning%3A+Demystifying+AI+agents+and+test-time+scaling+from+an+AI+infrastructure+perspective
    20. The illusion of diminishing returns: Measuring long horizon execution in LLMs — approx. authors unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=The+illusion+of+diminishing+returns%3A+Measuring+long+horizon+execution+in+LLMs
    21. AI Post Transformers: Agentic AI and the Next Intelligence Explosion — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-28-agentic-ai-and-the-next-intelligence-exp-d06561.mp3
    22. AI Post Transformers: Mem0: Scalable Long-Term Memory for AI Agents — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/mem0-scalable-long-term-memory-for-ai-agents/
    23. AI Post Transformers: LeWorldModel: Stable Joint-Embedding World Models from Pixels — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-leworldmodel-stable-joint-embedding-worl-650f9f.mp3
    24. AI Post Transformers: Hallucination to Truth: A Review of Fact-Checking and Factuality Evaluation in Large Language Model — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/hallucination-to-truth-a-review-of-fact-checking-and-factuality-evaluation-in-la/
    25. AI Post Transformers: MetaGraph: knowledge graphs from financial NLP — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/metagraph-knowledge-graphs-from-financial-nlp/
    26. AI Post Transformers: Survey of Emerging Topics in AI and Robotics — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/survey-of-emerging-topics-in-ai-and-robotics/
    27. AI Post Transformers: The Endless Gym: Training Terminal Agents — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/the-endless-gym-training-terminal-agents/
    28. AI Post Transformers: Bloom: an open source tool for automated behavioral evaluations — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/bloom-an-open-source-tool-for-automated-behavioral-evaluations/
    Interactive Visualization: Kosmos AI Scientist for Autonomous Discovery
    39 min
  • IMO-Bench for Robust Mathematical Reasoning
    This episode explores a new benchmark suite, IMO-Bench, designed to test whether AI systems can do genuinely robust mathematical reasoning at Olympiad difficulty rather than merely produce correct final answers. It breaks down the benchmark into three distinct tasks—short-answer problem solving, full proof generation, and automatic proof grading—and argues that this decomposition better captures real mathematical competence than answer-centric evaluations like GSM8K or MATH, which may now be saturated or overly teachable. The discussion highlights why IMO-style problems are especially revealing: they require discovering invariants, constructions, and contradiction arguments that resist routine pattern matching and expose whether models can sustain long-horizon reasoning and self-correction. Listeners would find it interesting because it tackles a central question in AI evaluation—whether current benchmarks are measuring true reasoning or just benchmark-specific performance—and examines the promise and risks of using model-based autograders to scale proof assessment.
    Sources:
    1. Towards Robust Mathematical Reasoning — Thang Luong, Dawsen Hwang, Hoang H. Nguyen, Golnaz Ghiasi, Yuri Chervonyi, Insuk Seo, Junsu Kim, Garrett Bingham, Jonathan Lee, Swaroop Mishra, Alex Zhai, Clara Huiyi Hu, Henryk Michalewski, Jimin Kim, Jeonghyun Ahn, Junhwi Bae, Xingyou Song, Trieu H. Trinh, Quoc V. Le, Junehyuk Jung, 2025
    http://arxiv.org/abs/2511.01846
    2. Training Verifiers to Solve Math Word Problems — Karl Cobbe, Vineet Kosaraju, Mohammad Bavarian, Mark Chen, Heewoo Jun, Lukasz Kaiser, Matthias Plappert, Jerry Tworek, Jacob Hilton, Reiichiro Nakano, Christopher Hesse, John Schulman, 2021
    https://scholar.google.com/scholar?q=Training+Verifiers+to+Solve+Math+Word+Problems
    3. Measuring Mathematical Problem Solving With the MATH Dataset — Dan Hendrycks, Collin Burns, Steven Basart, Andrew Critch, Jerry Li, Dawn Song, Jacob Steinhardt, 2021
    https://scholar.google.com/scholar?q=Measuring+Mathematical+Problem+Solving+With+the+MATH+Dataset
    4. Solving Quantitative Reasoning Problems with Language Models — Aakanksha Chowdhery and collaborators at Google Research, 2022
    https://scholar.google.com/scholar?q=Solving+Quantitative+Reasoning+Problems+with+Language+Models
    5. FrontierMath: A Benchmark for Evaluating Advanced Mathematical Reasoning in AI — Elliot Glazer and collaborators, 2024
    https://scholar.google.com/scholar?q=FrontierMath%3A+A+Benchmark+for+Evaluating+Advanced+Mathematical+Reasoning+in+AI
    6. Beyond the Imitation Game: Quantifying and Extrapolating the Capabilities of Language Models — Suzgun Mirac, et al. (BIG-bench collaboration), 2022
    https://scholar.google.com/scholar?q=Beyond+the+Imitation+Game%3A+Quantifying+and+Extrapolating+the+Capabilities+of+Language+Models
    7. Holistic Evaluation of Language Models — Percy Liang, Rishi Bommasani, Tony Lee, Dmitriy Turbiner, and collaborators, 2022
    https://scholar.google.com/scholar?q=Holistic+Evaluation+of+Language+Models
    8. Dynabench: Rethinking Benchmarking in NLP — Douwe Kiela, Max Bartolo, Yixin Nie, Divyansh Kaushik, Atticus Geiger, and collaborators, 2021
    https://scholar.google.com/scholar?q=Dynabench%3A+Rethinking+Benchmarking+in+NLP
    9. Judging LLM-as-a-Judge with MT-Bench and Chatbot Arena — Lianmin Zheng, Wei-Lin Chiang, Ying Sheng, Tianle Li, et al., 2023
    https://scholar.google.com/scholar?q=Judging+LLM-as-a-Judge+with+MT-Bench+and+Chatbot+Arena
    10. G-Eval: NLG Evaluation using GPT-4 with Better Human Alignment — Jun Gao, Huanle Liu, et al., 2023
    https://scholar.google.com/scholar?q=G-Eval%3A+NLG+Evaluation+using+GPT-4+with+Better+Human+Alignment
    11. Automatic Evaluation of Mathematical Proofs in Natural Language: A Survey — Various survey authors in educational technology and AI, 2020-2024
    https://scholar.google.com/scholar?q=Automatic+Evaluation+of+Mathematical+Proofs+in+Natural+Language%3A+A+Survey
    12. Towards Robust Mathematical Reasoning — Thang Luong, Dawsen Hwang, Hoang H. Nguyen, Golnaz Ghiasi, Yuri Chervonyi, Insuk Seo, Junsu Kim, Garrett Bingham, Jonathan Lee, Swaroop Mishra, Alex Zhai, Clara Huiyi Hu, Henryk Michalewski, Jimin Kim, Jeonghyun Ahn, Junhwi Bae, Xingyou Song, Trieu H. Trinh, Quoc V. Le, Junehyuk Jung, 2025
    https://scholar.google.com/scholar?q=Towards+Robust+Mathematical+Reasoning
    13. Draft, Sketch, and Prove: Guiding Formal Theorem Provers with Informal Proofs — Various authors in neural theorem proving and autoformalization, 2022-2024
    https://scholar.google.com/scholar?q=Draft%2C+Sketch%2C+and+Prove%3A+Guiding+Formal+Theorem+Provers+with+Informal+Proofs
    14. Solving Olympiad Geometry without Human Demonstrations — Trieu H. Trinh, Yuhuai Wu, Quoc V. Le, He He, et al., 2024
    https://scholar.google.com/scholar?q=Solving+Olympiad+Geometry+without+Human+Demonstrations
    15. LeanDojo: Theorem Proving with Retrieval-Augmented Language Models — Kaiyu Yang, Aidan O'Gara, et al., 2023
    https://scholar.google.com/scholar?q=LeanDojo%3A+Theorem+Proving+with+Retrieval-Augmented+Language+Models
    16. FrontierMath — Glazer et al., 2024
    https://scholar.google.com/scholar?q=FrontierMath
    17. Humanity's Last Exam — Phan et al., 2025
    https://scholar.google.com/scholar?q=Humanity%27s+Last+Exam
    18. GSM8K: Training Verifiers to Solve Math Word Problems — Cobbe et al., 2021
    https://scholar.google.com/scholar?q=GSM8K%3A+Training+Verifiers+to+Solve+Math+Word+Problems
    19. Gemini Deep Think at IMO 2025 — Luong and Lockhart, 2025
    https://scholar.google.com/scholar?q=Gemini+Deep+Think+at+IMO+2025
    20. Reasoning or Memorization? Unreliable Results of Reinforcement Learning Due to Data Contamination — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Reasoning+or+Memorization%3F+Unreliable+Results+of+Reinforcement+Learning+Due+to+Data+Contamination
    21. Right Is Not Enough: The Pitfalls of Outcome Supervision in Training LLMs for Math Reasoning — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Right+Is+Not+Enough%3A+The+Pitfalls+of+Outcome+Supervision+in+Training+LLMs+for+Math+Reasoning
    22. Improve Mathematical Reasoning in Language Models by Automated Process Supervision — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Improve+Mathematical+Reasoning+in+Language+Models+by+Automated+Process+Supervision
    23. MM-PRM: Enhancing Multimodal Mathematical Reasoning with Scalable Step-Level Supervision — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=MM-PRM%3A+Enhancing+Multimodal+Mathematical+Reasoning+with+Scalable+Step-Level+Supervision
    24. Solving Inequality Proofs with Large Language Models — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Solving+Inequality+Proofs+with+Large+Language+Models
    25. Beyond Gold Standards: Epistemic Ensemble of LLM Judges for Formal Mathematical Reasoning — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Beyond+Gold+Standards%3A+Epistemic+Ensemble+of+LLM+Judges+for+Formal+Mathematical+Reasoning
    26. A Survey on Deep Learning for Theorem Proving — approx. survey authors unclear from snippet, recent
    https://scholar.google.com/scholar?q=A+Survey+on+Deep+Learning+for+Theorem+Proving
    27. Proving Theorems Recursively — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=Proving+Theorems+Recursively
    28. DICE: Detecting In-distribution Contamination in LLM's Fine-tuning Phase for Math Reasoning — approx. 2025, authors unclear from snippet, 2025
    https://scholar.google.com/scholar?q=DICE%3A+Detecting+In-distribution+Contamination+in+LLM%27s+Fine-tuning+Phase+for+Math+Reasoning
    29. AI Post Transformers: Schoenfeld Theory Applied to Large Reasoning Models — Hal Turing & Dr. Ada Shannon, Sat,
    https://podcast.do-not-panic.com/episodes/schoenfeld-theory-applied-to-large-reasoning-models/
    30. AI Post Transformers: LLM Benchmark Robustness to Linguistic Variation — Hal Turing & Dr. Ada Shannon, Tue,
    https://podcast.do-not-panic.com/episodes/llm-benchmark-robustness-to-linguistic-variation/
    31. AI Post Transformers: Generalist Reward Modeling with Inference-Time Scaling — Hal Turing & Dr. Ada Shannon, Tue,
    https://podcast.do-not-panic.com/episodes/generalist-reward-modeling-with-inference-time-scaling/
    32. AI Post Transformers: Evolving Language Models Without Labels: EVOL-RL — Hal Turing & Dr. Ada Shannon, Fri,
    https://podcast.do-not-panic.com/episodes/evolving-language-models-without-labels-evol-rl/
    Interactive Visualization: IMO-Bench for Robust Mathematical Reasoning
    35 min
  • Internal Safety Collapse in Frontier LLMs
    This episode explores a 2026 paper arguing that frontier language models can undergo “Internal Safety Collapse,” a failure mode where they stop merely slipping once and instead sustain harmful output when a task is framed as legitimate professional work. It explains how refusal-based alignment may function more like a behavioral wrapper than a removal of dangerous capabilities, allowing harmful knowledge to re-emerge when task objectives and safety objectives conflict. The discussion contrasts classic jailbreaks and prompt-centric red teaming with workflow-level risks in agents, copilots, and enterprise systems, where tools, memory, validators, and multi-step tasks can make unsafe content the “correct” way to complete a job. Listeners would find it interesting because it reframes AI safety from isolated bad prompts to deeper system-design vulnerabilities that could matter in real deployments.
    Sources:
    1. Internal Safety Collapse in Frontier LLMs
    https://arxiv.org/pdf/2603.23509
    2. Concrete Problems in AI Safety — Dario Amodei, Chris Olah, Jacob Steinhardt, Paul Christiano, John Schulman, Dan Mané, 2016
    https://scholar.google.com/scholar?q=Concrete+Problems+in+AI+Safety
    3. Challenges in Deploying Machine Learning: A Survey of Case Studies — Saleema Amershi, Andrew Begel, Christian Bird, Robert DeLine, Harald Gall, Ece Kamar, Nachiappan Nagappan, Besmira Nushi, Thomas Zimmermann, 2019
    https://scholar.google.com/scholar?q=Challenges+in+Deploying+Machine+Learning%3A+A+Survey+of+Case+Studies
    4. Red Teaming Language Models to Reduce Harms: Methods, Scaling Behaviors, and Lessons Learned — Deep Ganguli and collaborators, 2022
    https://scholar.google.com/scholar?q=Red+Teaming+Language+Models+to+Reduce+Harms%3A+Methods%2C+Scaling+Behaviors%2C+and+Lessons+Learned
    5. LLM Agents: A Survey — Xiaoge Wang and collaborators, 2024
    https://scholar.google.com/scholar?q=LLM+Agents%3A+A+Survey
    6. RealToxicityPrompts: Evaluating Neural Toxic Degeneration in Language Models — Samuel Gehman, Suchin Gururangan, Maarten Sap, Yejin Choi, Noah A. Smith, 2020
    https://scholar.google.com/scholar?q=RealToxicityPrompts%3A+Evaluating+Neural+Toxic+Degeneration+in+Language+Models
    7. Universal and Transferable Adversarial Attacks on Aligned Language Models — Andy Zou, Zifan Wang, Nicholas Carlini, Milad Nasr, J. Zico Kolter, Matt Fredrikson, 2023
    https://scholar.google.com/scholar?q=Universal+and+Transferable+Adversarial+Attacks+on+Aligned+Language+Models
    8. HarmBench: A Standardized Evaluation Framework for Automated Red Teaming and Robust Refusal — Researchers from the Center for AI Safety and collaborators, 2024
    https://scholar.google.com/scholar?q=HarmBench%3A+A+Standardized+Evaluation+Framework+for+Automated+Red+Teaming+and+Robust+Refusal
    9. JailbreakBench: An Open Robustness Benchmark for Jailbreaking Large Language Models — Researchers from the jailbreak evaluation community, 2024
    https://scholar.google.com/scholar?q=JailbreakBench%3A+An+Open+Robustness+Benchmark+for+Jailbreaking+Large+Language+Models
    10. Constitutional AI: Harmlessness from AI Feedback — Yuntao Bai et al., 2022
    https://scholar.google.com/scholar?q=Constitutional+AI%3A+Harmlessness+from+AI+Feedback
    11. Training language models to follow instructions with human feedback — Long Ouyang et al., 2022
    https://scholar.google.com/scholar?q=Training+language+models+to+follow+instructions+with+human+feedback
    12. The False Promise of Imitating Proprietary LLMs — Tianle Li et al., 2024
    https://scholar.google.com/scholar?q=The+False+Promise+of+Imitating+Proprietary+LLMs
    13. Many-shot Jailbreaking — Various 2024 authors depending on cited version, 2024
    https://scholar.google.com/scholar?q=Many-shot+Jailbreaking
    14. AgentDojo — 2025 benchmark authors as cited in the paper's agent-systems discussion, 2025
    https://scholar.google.com/scholar?q=AgentDojo
    15. Open-source reasoning models can defeat their own safety training during chain-of-thought — Yong and Bach, 2025
    https://scholar.google.com/scholar?q=Open-source+reasoning+models+can+defeat+their+own+safety+training+during+chain-of-thought
    16. Token-level pattern memorization rather than principled safety reasoning in refusal behavior — Guo et al., 2026
    https://scholar.google.com/scholar?q=Token-level+pattern+memorization+rather+than+principled+safety+reasoning+in+refusal+behavior
    17. Towards Understanding Safety Alignment: A Mechanistic Perspective from Safety Neurons — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Towards+Understanding+Safety+Alignment%3A+A+Mechanistic+Perspective+from+Safety+Neurons
    18. Interpretable Safety Alignment via SAE-Constructed Low-Rank Subspace Adaptation — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Interpretable+Safety+Alignment+via+SAE-Constructed+Low-Rank+Subspace+Adaptation
    19. Safe Transformer: An Explicit Safety Bit For Interpretable And Controllable Alignment — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Safe+Transformer%3A+An+Explicit+Safety+Bit+For+Interpretable+And+Controllable+Alignment
    20. Safety is not only about refusal: Reasoning-enhanced fine-tuning for interpretable llm safety — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Safety+is+not+only+about+refusal%3A+Reasoning-enhanced+fine-tuning+for+interpretable+llm+safety
    21. Eraser: Jailbreaking defense in large language models via unlearning harmful knowledge — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Eraser%3A+Jailbreaking+defense+in+large+language+models+via+unlearning+harmful+knowledge
    22. Towards safer large language models through machine unlearning — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Towards+safer+large+language+models+through+machine+unlearning
    23. Beyond single-value metrics: Evaluating and enhancing llm unlearning with cognitive diagnosis — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Beyond+single-value+metrics%3A+Evaluating+and+enhancing+llm+unlearning+with+cognitive+diagnosis
    24. When Refusals Fail: Unstable Safety Mechanisms in Long-Context LLM Agents — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=When+Refusals+Fail%3A+Unstable+Safety+Mechanisms+in+Long-Context+LLM+Agents
    25. LPS-Bench: Benchmarking Safety Awareness of Computer-Use Agents in Long-Horizon Planning under Benign and Adversarial Scenarios — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=LPS-Bench%3A+Benchmarking+Safety+Awareness+of+Computer-Use+Agents+in+Long-Horizon+Planning+under+Benign+and+Adversarial+Scenarios
    26. Beyond reactive safety: Risk-aware llm alignment via long-horizon simulation — approx. unknown authors, recent, likely 2024-2026
    https://scholar.google.com/scholar?q=Beyond+reactive+safety%3A+Risk-aware+llm+alignment+via+long-horizon+simulation
    27. AI Post Transformers: AI Agent Traps and Prompt Injection — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-04-02-ai-agent-traps-and-prompt-injection-7ce4ba.mp3
    28. AI Post Transformers: DeepSeek Safety Concerns — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/deepseek-safety-concerns/
    29. AI Post Transformers: Bloom: an open source tool for automated behavioral evaluations — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/bloom-an-open-source-tool-for-automated-behavioral-evaluations/
    30. AI Post Transformers: Probing Scientific General Intelligence of LLMs with Scientist-Aligned Workflows — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/probing-scientific-general-intelligence-of-llms-with-scientist-aligned-workflows/
    31. AI Post Transformers: Superintelligent Agents Pose Catastrophic Risks: Can Scientist AI Offer a Safer Path? — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/superintelligent-agents-pose-catastrophic-risks-can-scientist-ai-offer-a-safer-p/
    32. AI Post Transformers: LLM Benchmark Robustness to Linguistic Variation — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/llm-benchmark-robustness-to-linguistic-variation/
    Interactive Visualization: Internal Safety Collapse in Frontier LLMs
    0 min
  • FlatAttention for Tile-Based Accelerator Inference
    This episode explores a 2026 paper on “FlatAttention,” which argues that attention inference should be co-designed with on-chip communication primitives to fully exploit tile-based accelerators rather than reusing GPU-style kernels. It explains how these accelerators differ from GPUs: computation is spread across many tiles with local SRAM and an on-chip network, making data placement, multicast, and reduction central to performance. The discussion highlights why attention has become a growing inference bottleneck—especially for long-context models and MoE systems—and contrasts prefill vs. decode behavior, KV-cache movement costs, and variants like MHA, MQA, GQA, and MLA. Listeners would find it interesting for its careful framing of both the promise and the fairness concerns of hardware-software co-design, especially in comparison to FlashAttention’s IO-aware optimization on GPUs.
    Sources:
    1. FlatAttention: Dataflow and Fabric Collectives Co-Optimization for Large Attention-Based Model Inference on Tile-Based Accelerators — Chi Zhang, Luca Colagrande, Renzo Andri, Luca Benini, 2026
    http://arxiv.org/abs/2604.02110
    2. In-Datacenter Performance Analysis of a Tensor Processing Unit — Norman P. Jouppi, Cliff Young, Nishant Patil, David Patterson, and others, 2017
    https://scholar.google.com/scholar?q=In-Datacenter+Performance+Analysis+of+a+Tensor+Processing+Unit
    3. A Domain-Specific Supercomputer for Training Deep Neural Networks — Norman P. Jouppi, George Kurian, Sheng Li, and others, 2021
    https://scholar.google.com/scholar?q=A+Domain-Specific+Supercomputer+for+Training+Deep+Neural+Networks
    4. A Wafer-Scale Engine for Deep Learning — Sean Lie, Andrew H. Putnam, David Firestone, and Cerebras Systems team, 2021
    https://scholar.google.com/scholar?q=A+Wafer-Scale+Engine+for+Deep+Learning
    5. Scaling Graph Neural Networks with the Graphcore IPU — James H. Smith, et al. (Graphcore-affiliated authors in IPU architecture/application literature), 2022
    https://scholar.google.com/scholar?q=Scaling+Graph+Neural+Networks+with+the+Graphcore+IPU
    6. Eyeriss v2: A Flexible Accelerator for Emerging Deep Neural Networks on Mobile Devices — Yu-Hsin Chen, Tushar Krishna, Joel S. Emer, Vivienne Sze, 2019
    https://scholar.google.com/scholar?q=Eyeriss+v2%3A+A+Flexible+Accelerator+for+Emerging+Deep+Neural+Networks+on+Mobile+Devices
    7. In-Network Computing for Machine Learning: Opportunities and Challenges — various survey authors in networking/ML systems literature; representative surveys include works by Mohammad Alizadeh, Yibo Zhu, and collaborators, 2021
    https://scholar.google.com/scholar?q=In-Network+Computing+for+Machine+Learning%3A+Opportunities+and+Challenges
    8. Megatron-LM: Training Multi-Billion Parameter Language Models Using Model Parallelism — Mohammad Shoeybi, Mostofa Patwary, Raul Puri, Patrick LeGresley, Jared Casper, Bryan Catanzaro, 2019
    https://scholar.google.com/scholar?q=Megatron-LM%3A+Training+Multi-Billion+Parameter+Language+Models+Using+Model+Parallelism
    9. FlashAttention: Fast and Memory-Efficient Exact Attention with IO-Awareness — Tri Dao, Daniel Y. Fu, Stefano Ermon, Atri Rudra, Christopher Ré, 2022
    https://scholar.google.com/scholar?q=FlashAttention%3A+Fast+and+Memory-Efficient+Exact+Attention+with+IO-Awareness
    10. FlashAttention-2: Faster Attention with Better Parallelism and Work Partitioning — Tri Dao, 2023
    https://scholar.google.com/scholar?q=FlashAttention-2%3A+Faster+Attention+with+Better+Parallelism+and+Work+Partitioning
    11. FlashAttention-3 — Tri Dao and collaborators, 2024
    https://scholar.google.com/scholar?q=FlashAttention-3
    12. FlashMLA — DeepSeek team, 2025
    https://scholar.google.com/scholar?q=FlashMLA
    13. GQA: Training Generalized Multi-Query Transformer Models from Multi-Head Checkpoints — Joshua Ainslie, James Lee-Thorp, Michiel de Jong, Yury Zemlyanskiy, Federico Lebron, Sumit Sanghai, 2023
    https://scholar.google.com/scholar?q=GQA%3A+Training+Generalized+Multi-Query+Transformer+Models+from+Multi-Head+Checkpoints
    14. Fast Transformer Decoding: One Write-Head is All You Need — Noam Shazeer, 2019
    https://scholar.google.com/scholar?q=Fast+Transformer+Decoding%3A+One+Write-Head+is+All+You+Need
    15. DeepSeek-V3 Technical Report — DeepSeek-AI, 2024
    https://scholar.google.com/scholar?q=DeepSeek-V3+Technical+Report
    16. Attention Is All You Need — Ashish Vaswani, Noam Shazeer, Niki Parmar, Jakob Uszkoreit, Llion Jones, Aidan N. Gomez, Łukasz Kaiser, Illia Polosukhin, 2017
    https://scholar.google.com/scholar?q=Attention+Is+All+You+Need
    17. Wafer-Scale Deep Learning — Daniel Lie, Gary Lauterbach, Sean Lie and collaborators at Cerebras, 2021
    https://scholar.google.com/scholar?q=Wafer-Scale+Deep+Learning
    18. Distributed Deep Learning on a Wafer-Scale Engine — Cerebras Systems authors, 2022
    https://scholar.google.com/scholar?q=Distributed+Deep+Learning+on+a+Wafer-Scale+Engine
    19. LMCache: An Efficient KV Cache Layer for Enterprise-Scale LLM Inference — approx. enterprise systems / LLM serving authors, 2024
    https://scholar.google.com/scholar?q=LMCache%3A+An+Efficient+KV+Cache+Layer+for+Enterprise-Scale+LLM+Inference
    20. HotPrefix: Hotness-Aware KV Cache Scheduling for Efficient Prefix Sharing in LLM Inference Systems — approx. LLM systems authors, 2024
    https://scholar.google.com/scholar?q=HotPrefix%3A+Hotness-Aware+KV+Cache+Scheduling+for+Efficient+Prefix+Sharing+in+LLM+Inference+Systems
    21. Selective KV-Cache Sharing to Mitigate Timing Side-Channels in LLM Inference — approx. security / systems authors, 2024
    https://scholar.google.com/scholar?q=Selective+KV-Cache+Sharing+to+Mitigate+Timing+Side-Channels+in+LLM+Inference
    22. MoE-Gen: High-Throughput MoE Inference on a Single GPU with Module-Based Batching — approx. MoE inference systems authors, 2024
    https://scholar.google.com/scholar?q=MoE-Gen%3A+High-Throughput+MoE+Inference+on+a+Single+GPU+with+Module-Based+Batching
    23. Accelerating Distributed MoE Training and Inference with Lina — approx. distributed systems / ML systems authors, 2024
    https://scholar.google.com/scholar?q=Accelerating+Distributed+MoE+Training+and+Inference+with+Lina
    24. Towards MoE Deployment: Mitigating Inefficiencies in Mixture-of-Expert (MoE) Inference — approx. MoE deployment authors, 2024
    https://scholar.google.com/scholar?q=Towards+MoE+Deployment%3A+Mitigating+Inefficiencies+in+Mixture-of-Expert+%28MoE%29+Inference
    25. MAS-Attention: Memory-Aware Stream Processing for Attention Acceleration on Resource-Constrained Edge Devices — approx. accelerator architecture authors, 2024
    https://scholar.google.com/scholar?q=MAS-Attention%3A+Memory-Aware+Stream+Processing+for+Attention+Acceleration+on+Resource-Constrained+Edge+Devices
    26. REATA: An Efficient Vision Transformer Accelerator Featuring a Resource-Optimized Attention Design on Versal ACAP — approx. FPGA / accelerator authors, 2024
    https://scholar.google.com/scholar?q=REATA%3A+An+Efficient+Vision+Transformer+Accelerator+Featuring+a+Resource-Optimized+Attention+Design+on+Versal+ACAP
    27. Concerto: Automatic Communication Optimization and Scheduling for Large-Scale Deep Learning — approx. systems / compiler authors, 2024
    https://scholar.google.com/scholar?q=Concerto%3A+Automatic+Communication+Optimization+and+Scheduling+for+Large-Scale+Deep+Learning
    28. AI Post Transformers: Splitwise: Phase-Split LLM Inference — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-26-splitwise-phase-split-llm-inference-e8945b.mp3
    29. AI Post Transformers: SolidAttention: Co-Designing Sparse Attention and SSD I/O — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-18-solidattention-co-designing-sparse-atten-5a8622.mp3
    30. AI Post Transformers: LookaheadKV: Fast and Accurate KV Cache Eviction by Glimpsing into the Future without Generation — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-lookaheadkv-fast-and-accurate-kv-9cfc9f.mp3
    31. AI Post Transformers: From Prefix Cache to Fusion RAG Cache: Accelerating LLM Inference in Retrieval-Augmented Generation — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-22-from-prefix-cache-to-fusion-rag-9c5d39.mp3
    32. AI Post Transformers: Continuous Batching for LLM Inference: Throughput and Latency Gains — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/continuous-batching-for-llm-inference-throughput-and-latency-gains/
    33. AI Post Transformers: SGLang: Efficient Language Model Program Execution — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/sglang-efficient-language-model-program-execution/
    34. AI Post Transformers: Speculative Speculative Decoding — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-25-speculative-speculative-decoding-1b7a10.mp3
    35. AI Post Transformers: Jet-Nemotron and PostNAS for Faster Long Context — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-24-jet-nemotron-and-postnas-for-faster-long-436381.mp3
    36. AI Post Transformers: FlexGen: High-Throughput LLM Inference on a Single GPU — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/flexgen-high-throughput-llm-inference-on-a-single-gpu/
    Interactive Visualization: FlatAttention for Tile-Based Accelerator Inference
    36 min
  • CXL Computational Memory Offloading for Lower Runtime
    This episode explores a 2025 arXiv paper on CXL-based computational memory, focusing on how partial offloading should be structured so applications actually run faster end to end rather than merely showing lower kernel-launch overhead. It explains why the central challenge is coordination between the host CPU and near-memory compute on a remote CXL memory device, especially for memory-bound workloads like graph analytics, sparse retrieval, database-style processing, and KV-heavy inference. The discussion contrasts two existing offloading models—Remote Polling and Bulk Synchronous Flow—arguing that one becomes too chatty while the other introduces lockstep stalls, and that communication semantics such as CXL.io versus CXL.mem fundamentally shape performance. Listeners would find it interesting because it reframes near-memory computing as a systems and scheduling problem, not just a kernel-selection problem, with direct implications for emerging disaggregated memory and CXL deployments.
    Sources:
    1. Offloading to CXL-based Computational Memory — Suyeon Lee, Kangkyu Park, Kwangsik Shin, Ada Gavrilovska, 2025
    http://arxiv.org/abs/2512.04449
    2. A Case for Memory-Centric HPC System Design — Dong Li, Jeffrey S. Vetter and others, 2015
    https://scholar.google.com/scholar?q=A+Case+for+Memory-Centric+HPC+System+Design
    3. The Datacenter as a Computer: Designing Warehouse-Scale Machines, Third Edition — Luiz André Barroso, Urs Hölzle, Parthasarathy Ranganathan, 2018
    https://scholar.google.com/scholar?q=The+Datacenter+as+a+Computer%3A+Designing+Warehouse-Scale+Machines%2C+Third+Edition
    4. A Roofline Model of Energy — Samuel Williams, Andrew Waterman, David Patterson and others, 2014
    https://scholar.google.com/scholar?q=A+Roofline+Model+of+Energy
    5. M2NDP: A Near-Memory Processing Architecture for CXL Memory Expansion — Authors commonly cited as the M2NDP team; exact author list varies by version, 2024
    https://scholar.google.com/scholar?q=M2NDP%3A+A+Near-Memory+Processing+Architecture+for+CXL+Memory+Expansion
    6. M2NDP — Not fully specified in the provided excerpt, Not specified in excerpt
    https://scholar.google.com/scholar?q=M2NDP
    7. Compute Express Link Specification / CXL 2.0 and 3.0 ecosystem references — Compute Express Link Consortium, 2020-2022
    https://scholar.google.com/scholar?q=Compute+Express+Link+Specification+%2F+CXL+2.0+and+3.0+ecosystem+references
    8. AIFM: High-Performance, Application-Integrated Far Memory — Anirudh Suresh et al., 2020
    https://scholar.google.com/scholar?q=AIFM%3A+High-Performance%2C+Application-Integrated+Far+Memory
    9. Infiniswap — Juncheng Gu et al., 2017
    https://scholar.google.com/scholar?q=Infiniswap
    10. LegoOS: A Disseminated, Distributed OS for Hardware Resource Disaggregation — Yizhou Shan et al., 2019
    https://scholar.google.com/scholar?q=LegoOS%3A+A+Disseminated%2C+Distributed+OS+for+Hardware+Resource+Disaggregation
    11. CXL- and near-memory-processing-related prior offloading works cited as [8], [19], [11], [28], [14], [10], [30], [13], [12], [27], [26], [16] — Various, Various
    https://scholar.google.com/scholar?q=CXL-+and+near-memory-processing-related+prior+offloading+works+cited+as+%5B8%5D%2C+%5B19%5D%2C+%5B11%5D%2C+%5B28%5D%2C+%5B14%5D%2C+%5B10%5D%2C+%5B30%5D%2C+%5B13%5D%2C+%5B12%5D%2C+%5B27%5D%2C+%5B26%5D%2C+%5B16%5D
    12. Dissecting CXL Memory Performance at Scale: Analysis, Modeling, and Optimization — approx. recent systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Dissecting+CXL+Memory+Performance+at+Scale%3A+Analysis%2C+Modeling%2C+and+Optimization
    13. TRACE: Unlocking Effective CXL Bandwidth via Lossless Compression and Precision Scaling — approx. recent architecture/systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=TRACE%3A+Unlocking+Effective+CXL+Bandwidth+via+Lossless+Compression+and+Precision+Scaling
    14. Remote Memory Prefetching: Is Coarse-grained Fine? — approx. recent systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Remote+Memory+Prefetching%3A+Is+Coarse-grained+Fine%3F
    15. IBEX: Internal Bandwidth-Efficient Compression Architecture for Scalable CXL Memory Expansion — approx. recent architecture authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=IBEX%3A+Internal+Bandwidth-Efficient+Compression+Architecture+for+Scalable+CXL+Memory+Expansion
    16. A Near CXL Memory Processing Architecture for Distributed Graph Neural Network Inference and Training — approx. recent ML-systems/architecture authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=A+Near+CXL+Memory+Processing+Architecture+for+Distributed+Graph+Neural+Network+Inference+and+Training
    17. Scalable Processing-Near-Memory for 1M-Token LLM Inference: CXL-Enabled KV-Cache Management Beyond GPU Limits — approx. recent LLM systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Scalable+Processing-Near-Memory+for+1M-Token+LLM+Inference%3A+CXL-Enabled+KV-Cache+Management+Beyond+GPU+Limits
    18. Enabling Efficient Large Recommendation Model Training with Near CXL Memory Processing — approx. recent ML systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Enabling+Efficient+Large+Recommendation+Model+Training+with+Near+CXL+Memory+Processing
    19. Towards Continuous Checkpointing for HPC Systems Using CXL — approx. recent HPC/storage systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=Towards+Continuous+Checkpointing+for+HPC+Systems+Using+CXL
    20. System Suspend with Asynchronous Resume using CXL-Based Persistent Memory — approx. recent systems authors, exact list unclear from snippet, 2024/2025
    https://scholar.google.com/scholar?q=System+Suspend+with+Asynchronous+Resume+using+CXL-Based+Persistent+Memory
    21. AI Post Transformers: Xerxes: CXL 3.0 Simulation for Scalable Memory Systems — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/2026-03-18-xerxes-cxl-30-simulation-for-scalable-me-fdc3f1.mp3
    22. AI Post Transformers: CXL-SpecKV: Bridging the LLM Memory Wall with Speculative FPGA Disaggregation — Hal Turing & Dr. Ada Shannon, 2026
    https://podcast.do-not-panic.com/episodes/cxl-speckv-bridging-the-llm-memory-wall-with-speculative-fpga-disaggregation/
    23. AI Post Transformers: ByteCheckpoint: A Unified LLM Checkpointing System — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/bytecheckpoint-a-unified-llm-checkpointing-system/
    24. AI Post Transformers: Teraio: Cost-Efficient LLM Training via Lifetime-Aware Tensor Offloading — Hal Turing & Dr. Ada Shannon, 2025
    https://podcast.do-not-panic.com/episodes/teraio-cost-efficient-llm-training-via-lifetime-aware-tensor-offloading/
    Interactive Visualization: CXL Computational Memory Offloading for Lower Runtime
    0 min

About AI Post Transformers

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AI-generated podcast where hosts Hal Turing and Dr. Ada Shannon discuss the latest research papers and reports in machine learning, AI systems, and optimization. Featuring honest critical analysis,…