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Last active July 10, 2022 09:14
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some measurements of zig self-hosted compiler perf
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zig-perf.md

Building a debug build of Zig:

zig build -Dskip-install-lib-files

Measurements taken on:

  • Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
  • 0.10.0-dev.2381+39ebfedd2

stage1

stage1-release/bin/zig build -p stage2 -Dskip-install-lib-files
  • Wall clock: 34.5s
  • Peak RSS: 8096 MiB

stage2

stage2-release/bin/zig build -p stage3 -Dskip-install-lib-files
  • Wall clock: 35.4s
  • Peak RSS: 2129 MiB

stage3

(work in progress)

stage3-release/bin/zig build -p stage4 -Dskip-install-lib-files

error: unable to build compiler_rt: AccessDenied
error: unable to build zig's multitarget libc: AccessDenied
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