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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-17 09:10:43 +0200 |
| commit | f2ec263023649e596c5076df32c2d328bc9393d2 (patch) | |
| tree | 5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/2443 | |
| parent | 63d2e9d409831aa8582787234cae4741847504b7 (diff) | |
| download | qemu-analysis-main.tar.gz qemu-analysis-main.zip | |
Diffstat (limited to 'results/scraper/fex/2443')
| -rw-r--r-- | results/scraper/fex/2443 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/results/scraper/fex/2443 b/results/scraper/fex/2443 new file mode 100644 index 000000000..243833191 --- /dev/null +++ b/results/scraper/fex/2443 @@ -0,0 +1,5 @@ +EmulatedFiles: High CPU usage in canonicalize +https://github.com/FEX-Emu/FEX/blob/f2aa0026b58c9ec5ee56ecbf66b4f00fe01e16de/Source/Tests/LinuxSyscalls/EmulatedFiles/EmulatedFiles.cpp#L744 + +I was running AntiChamber and I saw >30% CPU time spent on this canonicalize routine during loading (which took hecking long). +We need to optimize this use case. Dropping to `realpath` is likely a good first step. Will need to run some benchmarks to see how much of an improvement that alone is and if it is worth going further. \ No newline at end of file |