169: HyperLogLog

Intro topic: Testing your car battery

News/Links:

Tech Layoffs still going onhttps://www.sfchronicle.com/tech/article/google-layoffs-california-companies-18465600.php Real-time dreamy Cloudscapes with Volumetric Raymarchinghttps://blog.maximeheckel.com/posts/real-time-cloudscapes-with-volumetric-raymarching/Robot Rascalshttps://en.wikipedia.org/wiki/Robot_Rascals Meta Quest 3 https://www.theverge.com/23906313/meta-quest-3-review-vr-mixed-reality-headset

Book of the ShowPatrick:HyperLogLog Paperhttps://static.googleusercontent.com/media/research.google.com/en//pubs/archive/40671.pdf Jason: Eureka! NVIDIA Research Breakthrough Puts New Spin on Robot Learning https://blogs.nvidia.com/blog/2023/10/20/eureka-robotics-research/ Patreon Plug https://www.patreon.com/programmingthrowdown?ty=h

Tool of the ShowPatrick: Techtonica: https://store.steampowered.com/app/1457320/Techtonica/ Jason:ESP32 development board: https://amzn.to/3Qpmb20 WEMOS

Topic: HyperLogLog

MotivationCardinality CountingLinearCountingHash + expectation of collision based on how fullBloom FilterLogLogUse first N bits as bucketUse max sequential 0s in each bucketAverageHyperLogLogHandle empty bucketsUse correction factor like linear counting for low counts (number of empty buckets) and high countsDistributingTransfer bucket counts

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