Скачать или смотреть Software Rendering on the CPU with AVX 512 - Colorful Terrain

Over the weekend I had fun porting another shader to AVX512. The performance demand from this one is crazy and really brings my Intel Xeon W9-3475 (Sapphire Rapids) to it's knees. Not kidding, the energy usage is 880 watts for this. I didn't show the IPC in the screenshot but I can tell you it's about 1.04 IPC per thread (or 2.08 per core).

A lot can be done to optimize, but for now I'm just happy that it works. My goal is to get this rendering at 20 frames per second on the CPU at 1080P.

For comparison, my GeForce 3080 runs this at 28 frames per second at 4K, approximately 232,000,000 pixels per second. Sapphire Rapids with AVX512 achieved almost 30 million pixels per second before thermal throttling took over.

Not bad for a CPU. I don't suppose anyone out there is willing to donate a brand-new 96-core Threadripper based on Zen 5 to support my research? 🫠🤪


Credit for the original shader goes to EvilRyu on ShaderToy.
https://www.shadertoy.com/view/Xd3fR7