Avoid recomputing expensive persistence location data that does not change. #57511
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ghost
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genlu
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Nov 1, 2021
CyrusNajmabadi
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Nov 1, 2021
| return Path.Combine(appDataFolder, "Microsoft", "VisualStudio", "Roslyn", "Cache"); | ||
| s_cacheDirectory = Path.Combine(appDataFolder, "Microsoft", "VisualStudio", "Roslyn", "Cache"); | ||
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| s_moduleFileName = SafeName(Process.GetCurrentProcess().MainModule.FileName); |
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in particular, .MainModule turns out to be extremely expensive, and it looks like it is expensive every time it is run. Given that we keep creating fresh storage instances (also addressed here #57513) this turned out to be a huge hotspot.
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