forked from OSchip/llvm-project
cc254ba4a7
Summary: Local testing has demonstrated a great speed improvement, compare the following: 1) Existing version: ``` $ time llvm-cov show -format=html -output-dir=report -instr-profile=... ... The tool has been launched: 00:00:00 Loading coverage data: 00:00:00 Get unique source files: 00:00:33 Creating an index out of the source files: 00:00:34 Going into prepareFileReports: 00:00:34 Going to emit summary information for each file: 00:28:55 <-- 28:21 min! Going to emit links to files with no function: 00:28:55 Launching 32 threads for generating HTML files: 00:28:55 real 37m43.651s user 112m5.540s sys 7m39.872s ``` 2) Multi-threaded version with 32 CPUs: ``` $ time llvm-cov show -format=html -output-dir=report -instr-profile=... ... The tool has been launched: 00:00:00 Loading coverage data: 00:00:00 Get unique source files: 00:00:38 Creating an index out of the source files: 00:00:40 Going into prepareFileReports: 00:00:40 Preparing file reports using 32 threads: 00:00:40 # Creating thread tasks for the following number of files: 16422 Going to emit summary information for each file: 00:01:57 <-- 1:17 min! Going to emit links to files with no function: 00:01:58 Launching 32 threads for generating HTML files: 00:01:58 real 11m2.044s user 134m48.124s sys 7m53.388s ``` Reviewers: vsk, morehouse Reviewed By: vsk Subscribers: Dor1s, llvm-commits, kcc Differential Revision: https://reviews.llvm.org/D41206 llvm-svn: 321871 |
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| .. | ||
| CMakeLists.txt | ||
| CodeCoverage.cpp | ||
| CoverageExporter.h | ||
| CoverageExporterJson.cpp | ||
| CoverageExporterJson.h | ||
| CoverageFilters.cpp | ||
| CoverageFilters.h | ||
| CoverageReport.cpp | ||
| CoverageReport.h | ||
| CoverageSummaryInfo.cpp | ||
| CoverageSummaryInfo.h | ||
| CoverageViewOptions.h | ||
| LLVMBuild.txt | ||
| RenderingSupport.h | ||
| SourceCoverageView.cpp | ||
| SourceCoverageView.h | ||
| SourceCoverageViewHTML.cpp | ||
| SourceCoverageViewHTML.h | ||
| SourceCoverageViewText.cpp | ||
| SourceCoverageViewText.h | ||
| TestingSupport.cpp | ||
| gcov.cpp | ||
| llvm-cov.cpp | ||