Decompression performance 7 times slower after updating from 0.31 to 0.32 + #665

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opened 2026-01-29 22:15:29 +00:00 by claunia · 2 comments
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Originally created by @dimsour on GitHub (Oct 31, 2024).

Originally assigned to: @Copilot on GitHub.

Opening archives with ArchiveFactory.Open() seems to have a significant performance lose (around 7 times slower) after updating from 0.31 to 0.32 + versions.

Anyone noticed any similar behavior?

Originally created by @dimsour on GitHub (Oct 31, 2024). Originally assigned to: @Copilot on GitHub. Opening archives with ArchiveFactory.Open() seems to have a significant performance lose (around 7 times slower) after updating from 0.31 to 0.32 + versions. Anyone noticed any similar behavior?
claunia added the bugup for grabs labels 2026-01-29 22:15:29 +00:00
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@Erior commented on GitHub (Dec 20, 2024):

Any special archive type?

@Erior commented on GitHub (Dec 20, 2024): Any special archive type?
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@adamhathcock commented on GitHub (Oct 21, 2025):

Any details of what format used?

I want to stick some profiling around the codebase soon

@adamhathcock commented on GitHub (Oct 21, 2025): Any details of what format used? I want to stick some profiling around the codebase soon
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Reference: starred/sharpcompress#665