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| author | Nicolas Geoffray <ngeoffray@google.com> | 2015-03-23 14:45:53 +0000 |
|---|---|---|
| committer | Nicolas Geoffray <ngeoffray@google.com> | 2015-03-23 14:47:12 +0000 |
| commit | 36540cb4d549c706cc7cd23086684f1548a91042 (patch) | |
| tree | 2c96f65e657ea190e20bd311dab4ba0a35f4040e /compiler/optimizing/optimizing_compiler.cc | |
| parent | 476448128d0ebf3328e96548de34f19bc55fa5c8 (diff) | |
| download | art-36540cb4d549c706cc7cd23086684f1548a91042.zip art-36540cb4d549c706cc7cd23086684f1548a91042.tar.gz art-36540cb4d549c706cc7cd23086684f1548a91042.tar.bz2 | |
Implement a space filter for optimizing.
Heuristic-based. Currently only for enabling fugu user build.
Change-Id: I76e652bd3f00ed84a2a8ad69c7c2c0e24d74cd68
Diffstat (limited to 'compiler/optimizing/optimizing_compiler.cc')
| -rw-r--r-- | compiler/optimizing/optimizing_compiler.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc index b70f925..933a8a0 100644 --- a/compiler/optimizing/optimizing_compiler.cc +++ b/compiler/optimizing/optimizing_compiler.cc @@ -462,6 +462,16 @@ CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_ite return nullptr; } + // Implementation of the space filter: do not compile a code item whose size in + // code units is bigger than 256. + static constexpr size_t kSpaceFilterOptimizingThreshold = 256; + const CompilerOptions& compiler_options = compiler_driver->GetCompilerOptions(); + if ((compiler_options.GetCompilerFilter() == CompilerOptions::kSpace) + && (code_item->insns_size_in_code_units_ > kSpaceFilterOptimizingThreshold)) { + compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledSpaceFilter); + return nullptr; + } + DexCompilationUnit dex_compilation_unit( nullptr, class_loader, art::Runtime::Current()->GetClassLinker(), dex_file, code_item, class_def_idx, method_idx, access_flags, |