[llvm] dbc76ef - [NFC][llvm-exegesis] Benchmark: move DumpObjectToDisk handling into `runConfiguration()`
Roman Lebedev via llvm-commits
llvm-commits at lists.llvm.org
Sun Dec 18 06:52:18 PST 2022
Author: Roman Lebedev
Date: 2022-12-18T17:52:04+03:00
New Revision: dbc76ef7915f925970f7bae1c5b79f3dcf55d85e
URL: https://github.com/llvm/llvm-project/commit/dbc76ef7915f925970f7bae1c5b79f3dcf55d85e
DIFF: https://github.com/llvm/llvm-project/commit/dbc76ef7915f925970f7bae1c5b79f3dcf55d85e.diff
LOG: [NFC][llvm-exegesis] Benchmark: move DumpObjectToDisk handling into `runConfiguration()`
`getRunnableConfiguration()` may be executed in parallel,
and then this the output would become even less useful.
Added:
Modified:
llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h
llvm/tools/llvm-exegesis/llvm-exegesis.cpp
Removed:
################################################################################
diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
index eb90f4339ec6..37b33ae02113 100644
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
+++ b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
@@ -151,11 +151,9 @@ Expected<SmallString<0>> BenchmarkRunner::assembleSnippet(
}
Expected<BenchmarkRunner::RunnableConfiguration>
-BenchmarkRunner::getRunnableConfiguration(const BenchmarkCode &BC,
- unsigned NumRepetitions,
- unsigned LoopBodySize,
- const SnippetRepetitor &Repetitor,
- bool DumpObjectToDisk) const {
+BenchmarkRunner::getRunnableConfiguration(
+ const BenchmarkCode &BC, unsigned NumRepetitions, unsigned LoopBodySize,
+ const SnippetRepetitor &Repetitor) const {
RunnableConfiguration RC;
InstructionBenchmark &InstrBenchmark = RC.InstrBenchmark;
@@ -193,15 +191,6 @@ BenchmarkRunner::getRunnableConfiguration(const BenchmarkCode &BC,
LoopBodySize);
if (Error E = Snippet.takeError())
return std::move(E);
- if (DumpObjectToDisk) {
- auto ObjectFilePath = writeObjectFile(*Snippet);
- if (Error E = ObjectFilePath.takeError()) {
- InstrBenchmark.Error = toString(std::move(E));
- return std::move(RC);
- }
- outs() << "Check generated assembly with: /usr/bin/objdump -d "
- << *ObjectFilePath << "\n";
- }
RC.ObjectFile = getObjectFromBuffer(*Snippet);
}
@@ -209,10 +198,21 @@ BenchmarkRunner::getRunnableConfiguration(const BenchmarkCode &BC,
}
Expected<InstructionBenchmark>
-BenchmarkRunner::runConfiguration(RunnableConfiguration &&RC) const {
+BenchmarkRunner::runConfiguration(RunnableConfiguration &&RC,
+ bool DumpObjectToDisk) const {
InstructionBenchmark &InstrBenchmark = RC.InstrBenchmark;
object::OwningBinary<object::ObjectFile> &ObjectFile = RC.ObjectFile;
+ if (DumpObjectToDisk) {
+ auto ObjectFilePath = writeObjectFile(ObjectFile.getBinary()->getData());
+ if (Error E = ObjectFilePath.takeError()) {
+ InstrBenchmark.Error = toString(std::move(E));
+ return std::move(InstrBenchmark);
+ }
+ outs() << "Check generated assembly with: /usr/bin/objdump -d "
+ << *ObjectFilePath << "\n";
+ }
+
if (BenchmarkSkipMeasurements) {
InstrBenchmark.Error =
"in --skip-measurements mode, actual measurements skipped.";
diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h
index 5bd9bc25f186..e55e2e109105 100644
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h
+++ b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.h
@@ -61,11 +61,10 @@ class BenchmarkRunner {
Expected<RunnableConfiguration>
getRunnableConfiguration(const BenchmarkCode &Configuration,
unsigned NumRepetitions, unsigned LoopUnrollFactor,
- const SnippetRepetitor &Repetitor,
- bool DumpObjectToDisk) const;
+ const SnippetRepetitor &Repetitor) const;
- Expected<InstructionBenchmark>
- runConfiguration(RunnableConfiguration &&RC) const;
+ Expected<InstructionBenchmark> runConfiguration(RunnableConfiguration &&RC,
+ bool DumpObjectToDisk) const;
// Scratch space to run instructions that touch memory.
struct ScratchSpace {
diff --git a/llvm/tools/llvm-exegesis/llvm-exegesis.cpp b/llvm/tools/llvm-exegesis/llvm-exegesis.cpp
index 160a313420b3..c17a29b2c34c 100644
--- a/llvm/tools/llvm-exegesis/llvm-exegesis.cpp
+++ b/llvm/tools/llvm-exegesis/llvm-exegesis.cpp
@@ -342,9 +342,9 @@ static void runBenchmarkConfigurations(
for (const std::unique_ptr<const SnippetRepetitor> &Repetitor :
Repetitors) {
auto RC = ExitOnErr(Runner.getRunnableConfiguration(
- Conf, NumRepetitions, LoopBodySize, *Repetitor, DumpObjectToDisk));
+ Conf, NumRepetitions, LoopBodySize, *Repetitor));
AllResults.emplace_back(
- ExitOnErr(Runner.runConfiguration(std::move(RC))));
+ ExitOnErr(Runner.runConfiguration(std::move(RC), DumpObjectToDisk)));
}
InstructionBenchmark &Result = AllResults.front();
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