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authorJakob Unterwurzacher2021-09-03 17:40:29 +0200
committerJakob Unterwurzacher2021-09-07 18:14:05 +0200
commit5046962634d83a01341585f9f96090add2396e82 (patch)
tree8daadec2d9c466451a843ba6787ad9cb896d8e11 /internal/fusefrontend_reverse/file_api_check.go
parentd9e89cd0210b1d8a1c9cbb33c77013211dfc1ffd (diff)
speed: add bEncrypt helper, reuse dst buffer
The bEncrypt helper massively deduplicates the code, and reusing the dst buffer gives higher performance, and that's what gocryptfs does in normal operation via sync.Pool. $ benchstat old.txt new.txt name old time/op new time/op delta StupidGCM-4 6.24µs ± 1% 4.65µs ± 0% -25.47% (p=0.008 n=5+5) GoGCM-4 4.90µs ± 0% 4.10µs ± 0% -16.44% (p=0.008 n=5+5) AESSIV-4 26.4µs ± 0% 25.6µs ± 0% -2.90% (p=0.008 n=5+5) Xchacha-4 5.76µs ± 0% 4.91µs ± 0% -14.79% (p=0.008 n=5+5) StupidXchacha-4 7.24µs ± 1% 5.48µs ± 0% -24.33% (p=0.008 n=5+5) name old speed new speed delta StupidGCM-4 656MB/s ± 1% 880MB/s ± 0% +34.15% (p=0.008 n=5+5) GoGCM-4 835MB/s ± 0% 1000MB/s ± 0% +19.68% (p=0.008 n=5+5) AESSIV-4 155MB/s ± 0% 160MB/s ± 0% +2.99% (p=0.008 n=5+5) Xchacha-4 711MB/s ± 0% 834MB/s ± 0% +17.35% (p=0.008 n=5+5) StupidXchacha-4 565MB/s ± 1% 747MB/s ± 0% +32.15% (p=0.008 n=5+5)
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