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Posits – Beating Floating Point at its Own Game | #SoME4

Chapters: 0:00 Intro 1:32 Floating Points 3:07 Floats Example 6:50 Posits 10:43 Posits Example 12:23 Are Posits really better? 14:45 Closure plots 19:00 Speed comparison 20:09 Conclusion & Thank you In this video, we explore posits, an alternative exposition to floats. We first explain the basic concept of floats and posits and then we proceed with comparing both of them. Do posits beat floats at their own game? Or are they just one more in the long list of unsuccessful efforts to improve floating-point representation? Interactive demo for the closure plots: Further reading & watching: how floating point works Fast Inverse Square Root — A Quake III Algorithm Posithub Beating Posits at Their Own Game: Takum Arithmetic Animations created by: Lennard Scharein Carsten Schlieben Elias Schaper Maximilian Prietzel from Freie Universität Berlin Sources: Music: To the Glowing Forest by Piki | Free To Use | Music promoted by Enchanted Journey by Kevin MacLeod ( ) Licensed under Creative Commons: By Attribution 3.0 License Married Life by Aylex | Free To Use | Music promoted by Other Music by Vincent Rubinetti Download the music on Bandcamp: Stream the music on Spotify: This video wouldn't have been possible without the open source library Manim, created by 3blue1brown and maintained by Manim Community. The Manim Community Developers. (2025). Manim – Mathematical Animation Framework (Version ) [Computer software]. Here is link to the repository that contains the code used to generate the animations in this video: Special Thanks to: John L. Gustafson & Isaac Yonemoto – Inventors of the Posit number system Pihedron (check out his youtube channel) – For giving out early advice on creating our video Paul L. Kellermann – For helping us build and host the website Carykh – Creator of Scale of Universe Daniel Yu - For working on the project with us David L. Harwardt – For giving his advice while writing the rendering software