Thanks, compile time improvements are always good news! Out of curiosity, does this impact builds targeting Android on Linux or Windows?
Thanks, Botond On Thu, Apr 9, 2020 at 12:52 PM David Major <dma...@mozilla.com> wrote: > > As of bug 1326486, our clang toolchains for Linux and Windows are built > with PGO. (Apologies to Mac users: that toolchain is cross-compiled.) > > Under optimal conditions (Spidermonkey build, touch mfbt) I've seen 10-15% > compile time improvements locally, but in more common scenarios the gains > will be diluted by other parts of the system. Perfherder measured 5-9% > improvements in CI. > > To pick up a new compiler: after the next time you update your tree, run > `./mach bootstrap` or `cd ~/.mozbuild && /path/to/mach artifact toolchain > --from-build linux64-clang`, or on Windows replace the last part with > `win64-clang-cl`. > > Happy compiling! > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform