[all-commits] [llvm/llvm-project] 3153aa: [libc] Adding a version of memset with software pr...

[doshimili via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3153aa4c959a65ac8e7f911ffa04b7ccb4641bb5
      https://github.com/llvm/llvm-project/commit/3153aa4c959a65ac8e7f911ffa04b7ccb4641bb5
  Author: doshimili <milidoshi at google.com>
  Date:   2023-11-10 (Fri, 10 Nov 2023)

  Changed paths:
    M libc/config/config.json
    M libc/src/string/CMakeLists.txt
    M libc/src/string/memory_utils/op_generic.h
    M libc/src/string/memory_utils/utils.h
    M libc/src/string/memory_utils/x86_64/inline_memcpy.h
    M libc/src/string/memory_utils/x86_64/inline_memset.h
    M utils/bazel/llvm-project-overlay/libc/BUILD.bazel

  Log Message:
  -----------
  [libc] Adding a version of memset with software prefetching (#70857)

Software prefetching helps recover performance when hardware prefetching
is disabled. The 'LIBC_COPT_MEMSET_X86_USE_SOFTWARE_PREFETCHING' compile
time option allows users to use this patch.