leonard_coder's profile picture. Leonard/OXYGENE (DemoScene / ATARI / AMIGA / Cycle Optimization! )
Staff Graphics Engineer @unity
move.w #$2700,sr

Arnaud Carré

@leonard_coder

Leonard/OXYGENE (DemoScene / ATARI / AMIGA / Cycle Optimization! ) Staff Graphics Engineer @unity move.w #$2700,sr

Use AI to train compressors on your specific data. Awesome!

OpenZL - outperforms zstd, xz, gzip, and Blosc on multiple real-world datasets with 10x (!!!) speed improvement Another huge win when computations represented in a form of graph (DAG) Meta / OpenZL: A Novel Data Compression Framework It's not a new algorithm. It’s a new…

tairov's tweet image. OpenZL - outperforms zstd, xz, gzip, and Blosc on multiple real-world datasets with 10x (!!!) speed improvement

Another huge win when computations represented in a form of graph (DAG)

Meta / OpenZL: A Novel Data Compression Framework

It's not a new algorithm. It’s a new…


Amazing work by such a tiny team! Btw the article has some great links to interactive digital design online simulator

A History of ARM (part 1): Building the first chip In 1983, Acorn Computers needed a CPU. So 10 people built one. arstechnica.com/gadgets/2022/0…



I am pleased to share a small but valuable Unity feature I have been working on recently. It enables customization of certain visuals for each renderer at no additional CPU performance cost. discussions.unity.com/t/renderer-sha…


Arnaud Carré reposted

What can robotics learn from watch design? - Hundreds of parts packed into a coin-sized case, - keeping time within ±20 seconds daily - enduring decades of use Mechanical design at its most optimal. Let's explore the mechanisms that make watches tick ⬇️


Arnaud Carré reposted

they are literally out here writing bozo sort in factories

From MachinePix

Visiting Kliss fortress in Croatia and saw these symbols. Immediately make me think of The Witness in real life ;) #thewitness @Jonathan_Blow

leonard_coder's tweet image. Visiting Kliss fortress in Croatia and saw these symbols. Immediately make me think of The Witness in real life ;) #thewitness @Jonathan_Blow

Arnaud Carré reposted

In 1687, Newton published Principia Mathematica. Motion, gravity, calculus—written in ink. Here’s the original copy, annotated by Newton himself: cudl.lib.cam.ac.uk/view/PR-ADV-B-…

abakcus's tweet image. In 1687, Newton published Principia Mathematica.
Motion, gravity, calculus—written in ink.
Here’s the original copy, annotated by Newton himself:

cudl.lib.cam.ac.uk/view/PR-ADV-B-…
abakcus's tweet image. In 1687, Newton published Principia Mathematica.
Motion, gravity, calculus—written in ink.
Here’s the original copy, annotated by Newton himself:

cudl.lib.cam.ac.uk/view/PR-ADV-B-…
abakcus's tweet image. In 1687, Newton published Principia Mathematica.
Motion, gravity, calculus—written in ink.
Here’s the original copy, annotated by Newton himself:

cudl.lib.cam.ac.uk/view/PR-ADV-B-…
abakcus's tweet image. In 1687, Newton published Principia Mathematica.
Motion, gravity, calculus—written in ink.
Here’s the original copy, annotated by Newton himself:

cudl.lib.cam.ac.uk/view/PR-ADV-B-…

I just can't quit these crazy optimization contests! 😄 Here's our latest Amiga 500 32KiB intro: Chip&Dots Warning: contains highly optimized 68000 code :) #amiga #demoscene youtu.be/2Al9SrsB47I

leonard_coder's tweet card. chip&dots

youtube.com

YouTube

chip&dots


smart mechanical Bucket sort algorithm

Charmed by this old machine slowly and mechanically sorting eggs by weight.



Just received this nice glass trophy for our little 4kib intro! Thanks #revision2025 and thanks @Virgill74 for the shipping! pouet.net/prod.php?which… #demoscene #amiga

leonard_coder's tweet image. Just received this nice glass trophy for our little 4kib intro! Thanks #revision2025 and thanks @Virgill74 for the shipping!
pouet.net/prod.php?which…
#demoscene #amiga

Our 4k-wavy intro ranked first at Revision "oldskool 4kib" category. Thanks to all voters! Also thanks to organizers for such a cool party! You can download or watch the intro here: pouet.net/prod.php?which… #Revision2025 #demoscene #amiga

leonard_coder's tweet image. Our 4k-wavy intro ranked first at Revision "oldskool 4kib" category. Thanks to all voters! Also thanks to organizers for such a cool party!
You can download or watch the intro here: pouet.net/prod.php?which…
#Revision2025 #demoscene #amiga

Our new Amiga intro for oldskool 4k at Revision party is now available! pouet.net/prod.php?which… #Revision2025

leonard_coder's tweet image. Our new Amiga intro for oldskool 4k at Revision party is now available!
pouet.net/prod.php?which…
#Revision2025

This year a tiny intro from Oxygene in the "4kib oldskool" category of the great Revision party! Hope you'll like it! (competition today around 8pm) #Revision2025 #demoscene #amiga

leonard_coder's tweet image. This year a tiny intro from Oxygene in the "4kib oldskool" category of the great Revision party! Hope you'll like it! (competition today around 8pm)
#Revision2025 #demoscene #amiga

Arnaud Carré reposted

I recently had the honor of interviewing Zen’s chief architect Mike Clark! I tried to fit in as many microarchitecture questions as I could, including x64 vs ARM ISA power efficiency, 4k vs larger page sizes, 64-byte cache lines, scatter/gather and more: computerenhance.com/p/an-interview…


Arnaud Carré reposted

Another great blog post by @kenshirriff. "The Pentium contains a complicated circuit to multiply by three." 🔗righto.com/2025/03/pentiu…

pikuma's tweet image. Another great blog post by @kenshirriff.

"The Pentium contains a complicated circuit to multiply by three."

🔗righto.com/2025/03/pentiu…

Arnaud Carré reposted

We JUST solved a hard open math problem— the moving sofa problem! "What is the area of the largest shape that can be manuevered through an L corner of width 1?" On Dec 2, 2024, Korean Jineon Baek proved the answer is the 18 curve section Gerver's sofa with area 2.2195..!


I just wrote a blog post about how the modern AVX instruction vpternlogd shares a similar design with a 1985 Amiga blitter chip. Even Amiga programmers will be interested in a simple method to finally get that damn "minterm" value! arnaud-carre.github.io/2024-10-06-vpt… #avx #amiga #demoscene


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