[all-commits] [llvm/llvm-project] d9065f: [lld-macho] Parallelize __LINKEDIT generation

[Jez Ng via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d9065fe8ea643bd889821c0dc4c7dbec0469c28e
      https://github.com/llvm/llvm-project/commit/d9065fe8ea643bd889821c0dc4c7dbec0469c28e
  Author: Jez Ng <jezng at fb.com>
  Date:   2021-04-07 (Wed, 07 Apr 2021)

  Changed paths:
    M lld/MachO/SyntheticSections.h
    M lld/MachO/Writer.cpp

  Log Message:
  -----------
  [lld-macho] Parallelize __LINKEDIT generation

Benchmarking chromium_framework on a 3.2 GHz 16-Core Intel Xeon W Mac Pro:

      N           Min           Max        Median           Avg        Stddev
  x  20          4.33          4.42          4.37          4.37   0.021026299
  +  20          4.12          4.23          4.18         4.175   0.035318103
  Difference at 95.0% confidence
    -0.195 +/- 0.0186025
    -4.46224% +/- 0.425686%
    (Student's t, pooled s = 0.0290644)

Reviewed By: #lld-macho, gkm

Differential Revision: https://reviews.llvm.org/D99998