Vulkan memory allocator.

[AshkanAliabadi]

Stack from ghstack:

• WIP - experimentation #43782 WIP - experimentation
• Vulkan command buffer and pool. #42930 Vulkan command buffer and pool.
• Vulkan resource cache. #42709 Vulkan resource cache.
• Vulkan descriptor and descriptor layout cache. #42642 Vulkan descriptor and descriptor layout cache.
• Vulkan pipeline and pipeline layout cache. #42395 Vulkan pipeline and pipeline layout cache.
• Vulkan memory allocator. #42786 Vulkan memory allocator.
• Vulkan (source and binary) shader and shader layout cache. #42325 Vulkan (source and binary) shader and shader layout cache.
• Generic Vulkan object cache. #42394 Generic Vulkan object cache.
• Move torch/csrc/utils/hash.h to c10/util/hash.h. #42503 Move torch/csrc/utils/hash.h to c10/util/hash.h.
• Revert "Revert D23252335: Refactor Vulkan context into its own files. Use RAII." #43628 Revert "Revert D23252335: Refactor Vulkan context into its own files. Use RAII."

Differential Revision: D23252332

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[codecov]

Codecov Report

Merging #42786 into gh/AshkanAliabadi/42/base will decrease coverage by 0.00%.
The diff coverage is n/a.

@@                      Coverage Diff                      @@
##           gh/AshkanAliabadi/42/base   #42786      +/-   ##
=============================================================
- Coverage                      69.32%   69.31%   -0.01%     
=============================================================
  Files                            378      378              
  Lines                          46745    46745              
=============================================================
- Hits                           32404    32403       -1     
- Misses                         14341    14342       +1     

Impacted Files	Coverage Δ
torch/testing/_internal/expecttest.py	77.55% <0.00%> (-1.03%)	⬇️

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@AshkanAliabadi merged this pull request in 387dc24.