add PGO and LTO build options to makefile #4651
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If we had a small profile suite in the dmd repo itself, we could have a single make target that builds+profiles+builds dmd. |
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We'd need to decide on a representative profile suite, then could use this for extra optimized release builds. |
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fix it and I'll pull it |
- workflow PGO rm -rf src/pgo make -C src -f posix.mak ENABLE_PGO_GENERATE=1 .. use the generated dmd binary (e.g. build phobos) make -C src -f posix.mak clean make -C src -f posix.mak ENABLE_PGO_USE=1 - workflow LTO make -C src -f posix.mak ENABLE_LTO=1 - combining both is possible and beneficial
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Updated |
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Auto-merge toggled on |
WalterBright
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Jul 22, 2015
add PGO and LTO build options to makefile
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Shouldn't we use |
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And, probably, also |
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According to the documentation we should not set any of them. |
MartinNowak
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changelog_v2.068
Review:Needs Changelog
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workflow PGO
rm -rf src/pgo
make -C src -f posix.mak ENABLE_PGO_GENERATE=1
.. use the generated dmd binary (e.g. build phobos)
make -C src -f posix.mak clean
make -C src -f posix.mak ENABLE_PGO_USE=1
workflow LTO
make -C src -f posix.mak ENABLE_LTO=1
combining both is possible and beneficial