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gh-101525: Disable peephole optimization process of BOLT #103187

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Merged
merged 1 commit into from
Apr 5, 2023
Merged

gh-101525: Disable peephole optimization process of BOLT #103187

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2 changes: 1 addition & 1 deletion Doc/whatsnew/3.12.rst
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Expand Up @@ -419,7 +419,7 @@ Optimizations

* Added experimental support for using the BOLT binary optimizer in the build
process, which improves performance by 1-5%.
(Contributed by Kevin Modzelewski in :gh:`90536`.)
(Contributed by Kevin Modzelewski in :gh:`90536` and tuned by Dong-hee Na in :gh:`101525`)

* Speed up the regular expression substitution (functions :func:`re.sub` and
:func:`re.subn` and corresponding :class:`!re.Pattern` methods) for
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2 changes: 1 addition & 1 deletion Makefile.pre.in
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Expand Up @@ -670,7 +670,7 @@ bolt-opt: @PREBOLT_RULE@
@LLVM_BOLT@ ./$(BUILDPYTHON) -instrument -instrumentation-file-append-pid -instrumentation-file=$(abspath $(BUILDPYTHON).bolt) -o $(BUILDPYTHON).bolt_inst
./$(BUILDPYTHON).bolt_inst $(PROFILE_TASK) || true
@MERGE_FDATA@ $(BUILDPYTHON).*.fdata > $(BUILDPYTHON).fdata
@LLVM_BOLT@ ./$(BUILDPYTHON) -o $(BUILDPYTHON).bolt -data=$(BUILDPYTHON).fdata -update-debug-sections -reorder-blocks=ext-tsp -reorder-functions=hfsort+ -split-functions -icf=1 -inline-all -split-eh -reorder-functions-use-hot-size -peepholes=all -jump-tables=aggressive -inline-ap -indirect-call-promotion=all -dyno-stats -use-gnu-stack -frame-opt=hot
@LLVM_BOLT@ ./$(BUILDPYTHON) -o $(BUILDPYTHON).bolt -data=$(BUILDPYTHON).fdata -update-debug-sections -reorder-blocks=ext-tsp -reorder-functions=hfsort+ -split-functions -icf=1 -inline-all -split-eh -reorder-functions-use-hot-size -peepholes=none -jump-tables=aggressive -inline-ap -indirect-call-promotion=all -dyno-stats -use-gnu-stack -frame-opt=hot
rm -f *.fdata
rm -f $(BUILDPYTHON).bolt_inst
mv $(BUILDPYTHON).bolt $(BUILDPYTHON)
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