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authorJakob Unterwurzacher2021-09-03 16:44:13 +0200
committerJakob Unterwurzacher2021-09-07 18:14:05 +0200
commita3f5a8492a8bc62d8e2a639bd449b425efa66ce2 (patch)
tree050677e396e6f89211bb9fc1a006e8284625fd31 /internal/exitcodes
parent9e1dd73e55e095b8e8b4264897c4d21fcdcdb2ae (diff)
stupidgcm: batch C calls in chacha20poly1305_seal
Go has a high overhead for each C call, so batch all openssl operations in the new C function chacha20poly1305_seal. Benchmark results: internal/speed$ go test -bench BenchmarkStupidXchacha -count 10 > old.txt internal/speed$ go test -bench BenchmarkStupidXchacha -count 10 > new.txt internal/speed$ benchstat old.txt new.txt name old time/op new time/op delta StupidXchacha-4 8.79µs ± 1% 7.25µs ± 1% -17.54% (p=0.000 n=10+10) name old speed new speed delta StupidXchacha-4 466MB/s ± 1% 565MB/s ± 1% +21.27% (p=0.000 n=10+10)
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