Skip parsing types in ILLinkTrim.Descriptors if not needed #79803
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We should not even be using this parser (dotnet#79802). It's surprisingly slow to use this. This saves about 10% of wallclock time when compiling Hello World (yes, I can't believe my measurements either). We parse the descriptors for the purposes of manifest resources pretty late in the single threaded phase.
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Tagging subscribers to this area: @agocke, @MichalStrehovsky, @jkotas Issue DetailsWe should not even be using this parser (#79802). It's surprisingly slow. This saves about 10% of wallclock time when compiling Hello World (yes, I can't believe my measurements either). We parse the descriptors for the purposes of manifest resources pretty late in the single threaded phase and apparently there's a lot of things to parse that we don't care about. Cc @dotnet/ilc-contrib
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benaadams
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Dec 19, 2022
src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ProcessXmlBase.cs
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…ase.cs Co-authored-by: Ben Adams <[email protected]>
vitek-karas
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Dec 19, 2022
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We should not even be using this parser (#79802). It's surprisingly slow.
This saves about 10% of wallclock time when compiling Hello World (yes, I can't believe my measurements either). We parse the descriptors for the purposes of manifest resources pretty late in the single threaded phase and apparently there's a lot of things to parse that we don't care about.
Cc @dotnet/ilc-contrib