Graphics: Vkrunner, Intel and AMD
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Vkrunner RPM packages available - Samuel Iglesias Gonsálvez's blog
VkRunner is a Vulkan shader tester based on Piglit’s shader_runner (I already talked about it in my blog). This tool is very helpful for creating simple Vulkan tests without writing hundreds of lines of code. In the Graphics Team at Igalia, we use it extensively to help us in the open-source driver development in Mesa such as V3D and Turnip drivers.
As a hobby project for last Christmas holiday season, I wrote the .spec file for VkRunner and uploaded it to Fedora’s Copr and OpenSUSE Build Service (OBS) for generating the respective RPM packages.
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Intel Bringing Async Page Flipping To Older Graphics Hardware
With Linux 5.11 the Intel Linux graphics driver is bringing async page-flipping for Gen9/Skylake and newer. However, patches pending for a future release (potentially 5.12) would extend that performance benefiting feature now all the way back to the Ironlake days.
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AMD Making Progress On HMM-Based SVM Memory Manager For Open-Source Compute - Phoronix
This week AMD engineers published their initial code for the AMDGPU/AMDKFD Linux kernel driver for providing a Heterogeneous Memory Management based Shared Virtual Memory (SVM) memory manager that ultimately will be used by their ROCm compute stack.
Linux's HMM implementation came together over the years and of the interest to many vendors. HMM allows for GPU discrete video memory and other (non-conventional) device memory to be integrated into regular code paths and allowing memory pointers to work across devices / memory address spaces. HMM is a key piece of the Linux handling for heterogeneous computing not only around GPUs but also with FPGAs and DSP in mind, among other possible devices.
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