AMD: AMDVLK, EPYC and Radeon ROCm
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AMDVLK 2019.Q2.1 Driver Has Some Performance Enhancement & Fixes
MD has volleyed their latest AMDVLK open-source Vulkan driver code, their first publish push in more than two weeks, making it their first push of the new quarter.
AMDVLK 2019.Q2.1 is the new release and it's been updated against the Vulkan 1.1.105 headers, allows shared memory to be CPU-visible, enables VK_EXT_memory_priority regardless whether it's supported by all external queues, and offers a performance optimization for Total War: WARHAMMER II.
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AMD EPYC Is Running Well On Linux 5.1 Too - Performance Wins
Last week I passed along some initial benchmark results after finding Intel Cascade Lake offering up some performance improvements when using the in-development Linux 5.1 kernel. The exciting news is this doesn't appear to be Cascadelake-specific or even Intel specific as with the Dell PowerEdge EPYC 2P server I am also seeing some nice performance improvements in the same benchmarks.
I am still in the midst of conducting more Linux 5.1 kernel benchmarks albeit perpetually short on time but should have some additional Linux 5.1 data out next week. But in being curious whether Linux 5.1 is also looking up on AMD hardware, I ran some quick Linux 5.0.7 stable benchmarks against the latest Linux 5.1 Git kernel...
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Radeon ROCm 2.3 Released With Many Improvements
AMD today unexpectedly released Radeon Open Compute "ROCm" 2.3 as the newest feature release for this open-source Radeon GPU compute stack.
ROCm 2.3 is a fairly hefty update and includes a lot of library improvements and other tooling enhancements for those using ROCm to provide GPU compute support on Linux systems. ROCm 2.3 offers per-GPU memory usage reporting via the rocm-smi utility, updated ONNX parser handling for MIVisionX, a new Python API and many other improvements to MIGraphX, multi-GPU support for Caffe2, Tensile optimizations for BLAS and other BLAS library improvements, and Int8 support for MIOpen.
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