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GH-130090: build time analysis #131005

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Closed
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GH-130090: build time analysis #131005

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859c89f
minimal changes needed for PGO with clang-cl
chris-eibl Feb 9, 2025
a529c39
like for MSVC, don't use link time optimization
chris-eibl Feb 9, 2025
26fb51f
Do not build _freeze_module twice in case of PGO
chris-eibl Feb 9, 2025
6e2cb69
remove /arch:AVX for blake2module.c again
chris-eibl Feb 10, 2025
7b46aeb
Revert "Do not build _freeze_module twice in case of PGO"
chris-eibl Feb 10, 2025
ced66bd
always clean the profile directory when doing a new clang PGO build
chris-eibl Feb 10, 2025
1aae65d
Merge remote-tracking branch 'origin/main' into clang-pgo
chris-eibl Feb 11, 2025
52fd5ab
Merge branch 'main' into clang-pgo
chris-eibl Feb 13, 2025
c2ecb57
blurb it
chris-eibl Feb 13, 2025
ad72df5
Adding myself to ACKS
chris-eibl Feb 13, 2025
74ec74e
extract pyproject-clangcl.props
chris-eibl Feb 13, 2025
79ce418
Merge branch 'python:main' into clang-pgo
chris-eibl Feb 16, 2025
8c8aa79
move MergeClangProfileData to pyproject-clangcl.props
chris-eibl Feb 16, 2025
2a9da27
rename RequirePGCFiles to RequireProfileData
chris-eibl Feb 16, 2025
ea4de96
Apply suggestions from code review
chris-eibl Feb 18, 2025
3346b9d
Use -Wno-profile-instr-unprofiled in the PGUpdate case
chris-eibl Feb 18, 2025
9db1a29
introduce CLANG_PROFILE_PATH
chris-eibl Feb 19, 2025
0e6f95f
add build time analysis
chris-eibl Mar 9, 2025
0bd337d
Interestingly, for debug builds I now need this, too.
chris-eibl Mar 9, 2025
981210b
fix for older clangs
chris-eibl Mar 9, 2025
e1dfc39
use -flto=thin
chris-eibl Mar 9, 2025
9879c49
remove debug print
chris-eibl Mar 9, 2025
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2 changes: 1 addition & 1 deletion Include/internal/pycore_debug_offsets.h
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ extern "C" {
declaration \
_GENERATE_DEBUG_SECTION_LINUX(name)

#if defined(MS_WINDOWS)
#if defined(MS_WINDOWS)&& !defined(__clang__)
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Interestingly, for debug builds I now need this, too. Never needed before, see #130040 (comment). Will anyway come with that PR...

#define _GENERATE_DEBUG_SECTION_WINDOWS(name) \
_Pragma(Py_STRINGIFY(section(Py_STRINGIFY(name), read, write))) \
__declspec(allocate(Py_STRINGIFY(name)))
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