pythongh-101525: Disable peephole optimization process of BOLT

corona10 · Apr 2, 2023 · 16f15a1 · 16f15a1
1 parent d828b35
commit 16f15a1
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
@@ -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

diff --git a/Makefile.pre.in b/Makefile.pre.in
@@ -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)