169: HyperLogLog

Intro topic: Testing your car batteryNews/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-headsetBook 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=hTool of the ShowPatrick: Techtonica: https://store.steampowered.com/app/1457320/Techtonica/ Jason:ESP32 development board: https://amzn.to/3Qpmb20 WEMOSTopic: HyperLogLogMotivationCardinality 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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Programming Throwdown

Patrick Wheeler and Jason Gauci

168: Godot

170: 2023 Holiday Special Live

Download Audio File

**Intro topic: Testing your car battery

**News/Links:

• Tech Layoffs still going on

• https://www.sfchronicle.com/tech/article/google-layoffs-california-companies-18465600.php

• Real-time dreamy Cloudscapes with Volumetric Raymarching

• https://blog.maximeheckel.com/posts/real-time-cloudscapes-with-volumetric-raymarching/

• Robot Rascals

• https://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 Show

• Patrick:

• HyperLogLog Paper

• https://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 Show

• Patrick:

• Techtonica: https://store.steampowered.com/app/1457320/Techtonica/

• Jason:

• ESP32 development board: https://amzn.to/3Qpmb20
• WEMOS

**Topic: HyperLogLog

• Motivation

• Cardinality Counting

• LinearCounting

• Hash + expectation of collision based on how full
• Bloom Filter

• LogLog

• Use first N bits as bucket
• Use max sequential 0s in each bucket
• Average

• HyperLogLog

• Handle empty buckets
• Use correction factor like linear counting for low counts (number of empty buckets) and high counts

• Distributing

• Transfer bucket counts

Original source

📄 40671.pdf