[PATCH] D110212: [llvm-profgen] Use hot threshold for context merging and trimming
Wenlei He via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 22 15:02:24 PDT 2021
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG81c249784f42: [llvm-profgen] Use hot threshold for context merging and trimming (authored by wenlei).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D110212/new/
https://reviews.llvm.org/D110212
Files:
llvm/test/tools/llvm-profgen/merge-cold-profile.test
llvm/tools/llvm-profgen/ProfileGenerator.cpp
Index: llvm/tools/llvm-profgen/ProfileGenerator.cpp
===================================================================
--- llvm/tools/llvm-profgen/ProfileGenerator.cpp
+++ llvm/tools/llvm-profgen/ProfileGenerator.cpp
@@ -418,18 +418,12 @@
CSProfMergeColdContext.getNumOccurrences()) {
SampleContextTrimmer(ProfileMap)
.trimAndMergeColdContextProfiles(
- ColdCountThreshold, CSProfTrimColdContext, CSProfMergeColdContext,
+ HotCountThreshold, CSProfTrimColdContext, CSProfMergeColdContext,
CSProfMaxColdContextDepth);
}
}
void CSProfileGenerator::computeSummaryAndThreshold() {
- // Update the default value of cold cutoff for llvm-profgen.
- // Do it here because we don't want to change the global default,
- // which would lead CS profile size too large.
- if (!ProfileSummaryCutoffCold.getNumOccurrences())
- ProfileSummaryCutoffCold = 999000;
-
SampleProfileSummaryBuilder Builder(ProfileSummaryBuilder::DefaultCutoffs);
auto Summary = Builder.computeSummaryForProfiles(ProfileMap);
HotCountThreshold = ProfileSummaryBuilder::getHotCountThreshold(
Index: llvm/test/tools/llvm-profgen/merge-cold-profile.test
===================================================================
--- llvm/test/tools/llvm-profgen/merge-cold-profile.test
+++ llvm/test/tools/llvm-profgen/merge-cold-profile.test
@@ -1,17 +1,17 @@
; Used the data from recursion-compression.test, refer it for the unmerged output
-; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t1 --compress-recursion=-1 --profile-summary-cold-count=8
+; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t1 --compress-recursion=-1 --profile-summary-hot-count=8
; RUN: FileCheck %s --input-file %t1
; Test --csprof-trim-cold-context=0
-; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-cold-count=100 --csprof-trim-cold-context=0
+; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-hot-count=100 --csprof-trim-cold-context=0
; RUN: FileCheck %s --input-file %t2 --check-prefix=CHECK-KEEP-COLD
; Test --csprof-merge-cold-context=0
-; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t3 --compress-recursion=-1 --profile-summary-cold-count=10 --csprof-merge-cold-context=0
+; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t3 --compress-recursion=-1 --profile-summary-hot-count=10 --csprof-merge-cold-context=0
; RUN: FileCheck %s --input-file %t3 --check-prefix=CHECK-UNMERGED
; Test --csprof-frame-depth-for-cold-context
-; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-cold-count=100 --csprof-trim-cold-context=0 --csprof-max-cold-context-depth=2
+; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t2 --compress-recursion=-1 --profile-summary-hot-count=100 --csprof-trim-cold-context=0 --csprof-max-cold-context-depth=2
; RUN: FileCheck %s --input-file %t2 --check-prefix=CHECK-COLD-CONTEXT-LENGTH
; CHECK: [fa]:14:4
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