61a87790db
The ARM assembly uses the reserved G register. This started causing frequent crashes due to async preemption, but it was already broken in the presence of signals, including SIGPROF. name old speed new speed delta Chacha20Poly1305/Open-64 2.88MB/s ± 0% 1.85MB/s ± 0% -35.76% (p=0.008 n=6+7) Chacha20Poly1305/Seal-64 3.17MB/s ± 1% 1.97MB/s ± 0% -37.78% (p=0.000 n=10+8) Chacha20Poly1305/Open-64-X 2.41MB/s ± 0% 1.61MB/s ± 0% -33.29% (p=0.000 n=9+9) Chacha20Poly1305/Seal-64-X 2.55MB/s ± 0% 1.64MB/s ± 0% -35.61% (p=0.000 n=10+9) Chacha20Poly1305/Open-1350 8.43MB/s ± 0% 4.15MB/s ± 0% -50.78% (p=0.000 n=10+10) Chacha20Poly1305/Seal-1350 8.55MB/s ± 0% 4.18MB/s ± 0% -51.12% (p=0.000 n=9+9) Chacha20Poly1305/Open-1350-X 8.16MB/s ± 0% 4.06MB/s ± 0% -50.18% (p=0.000 n=10+10) Chacha20Poly1305/Seal-1350-X 8.24MB/s ± 1% 4.08MB/s ± 1% -50.53% (p=0.000 n=10+10) Chacha20Poly1305/Open-8192 9.73MB/s ± 1% 4.56MB/s ± 0% -53.15% (p=0.000 n=9+10) Chacha20Poly1305/Seal-8192 9.57MB/s ± 0% 4.52MB/s ± 0% -52.77% (p=0.000 n=9+9) Chacha20Poly1305/Open-8192-X 9.65MB/s ± 0% 4.54MB/s ± 0% -52.95% (p=0.000 n=10+7) Chacha20Poly1305/Seal-8192-X 9.47MB/s ± 1% 4.50MB/s ± 0% -52.50% (p=0.000 n=10+9) Fixes golang/go#35511 Change-Id: I5e5ca3a0499f04c5fece5bc669a417e32d2656c6 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/213880 Run-TryBot: Filippo Valsorda <filippo@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com> |
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|---|---|---|
| .. | ||
| bits_compat.go | ||
| bits_go1.13.go | ||
| mac_noasm.go | ||
| poly1305.go | ||
| poly1305_test.go | ||
| sum_amd64.go | ||
| sum_amd64.s | ||
| sum_generic.go | ||
| sum_noasm.go | ||
| sum_ppc64le.go | ||
| sum_ppc64le.s | ||
| sum_s390x.go | ||
| sum_s390x.s | ||
| sum_vmsl_s390x.s | ||
| vectors_test.go | ||