[PATCH] D133153: [support] Prepare TimeProfiler for cross-thread support

Wed Sep 7 08:49:25 PDT 2022

russell.gallop added a comment.

Something is definitely up now. With the latest patch I see a 12% decrease in performance when using -ftime-trace! With 10 runs there is no overlap between the with and without timings. Are you able to reproduce this difference on a test file?

Some details in case they're important:
Applying patch on top of 0431eb59dfa8f77e460c282dd15006b363d5dbd7 <https://reviews.llvm.org/rG0431eb59dfa8f77e460c282dd15006b363d5dbd7>
Building with clang-cl+lld-link 12.0.1 on Windows based on VS2019
Building in RelWithDebInfo configuration

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D133153/new/

https://reviews.llvm.org/D133153