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pixelcluster’s GPU blog

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Latest posts

Fixing AMDGPU’s VRAM management for low-end GPUs

It may sound unbelievable to some, but not everyone has a datacenter beast with 128GB of VRAM shoved in their desktop PCs. Around the world people tell the tale of a particularly fierce group of Linux gamers: Those who dare attempt to play games with only 8 gigabytes of VRAM, or even less. Truly, it takes exceedingly strong resilience and determination to face the stutters and slowdowns bound to…

Inside Mesa 26.0’s RADV RT improvements

Mesa 26.0 is big for RADV’s ray tracing. In fact, it’s so big it single-handedly revived this blog.

RADV Raytracing Stories Part 1: Debugging broken games

Back again This blog hasn’t seen much news since quite some time. I’ve been pretty busy all over RADV raytracing and beyond during that time, and have been collecting quite a few smaller stories over time.

RADV Ray Tracing: Now ON by default

Yes, you heard that right. Ray Tracing Pipelines. On RADV. Enabled by default. Now merged in Mesa main.

GPU Hang Exploration: Splitgate

GPU hangs are one of the most common results of pretty much anything going wrong GPU-side, and finding out why they occur isn’t always easy. In this blog post, I’ll document my journey towards finding the cause of one specific hang in the game “Splitgate”.