[class-parse] Use BufferedStream for up to 10x performance gain#1092
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[class-parse] Use BufferedStream for up to 10x performance gain#1092
BufferedStream for up to 10x performance gain#1092Conversation
jpobst
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BufferedStream for up to 10x performance gain
jonpryor
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Apr 11, 2023
Changes: dotnet/java-interop@0355acf...a172402 * dotnet/java-interop@a172402a: [class-parse] Use BufferedStream to increase performance (dotnet/java-interop#1092) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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While building
AndroidX.sln,class-parseis taking up a considerable amount of time. After some quick profiling, this seems to be caused by reading from aZipStreamone or two bytes at a time. Wrapping theZipStreamin aBufferedStreammakes theclass-parseprocess about 10x faster on larger test cases.mainclass-parseon API-33android.jar(26.5 MB)class-parseonandroidx.compose.runtime.runtime(1.044 MB)class-parsetime buildingAndroidX.slnAndroidX.sln