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a274b3003b
This provides an assembly implementation of addMulVVW* for riscv64,
processing four words per loop, resulting in a performance gain
of 23%+ for RSA decryption/signing on a StarFive VisionFive 2:
│ rsa1 │ rsa2 │
│ sec/op │ sec/op vs base │
DecryptPKCS1v15/2048-4 24.29m ± 0% 18.65m ± 0% -23.24% (p=0.000 n=10)
DecryptPKCS1v15/3072-4 73.28m ± 0% 54.08m ± 0% -26.20% (p=0.000 n=10)
DecryptPKCS1v15/4096-4 163.5m ± 0% 119.1m ± 0% -27.17% (p=0.000 n=10)
EncryptPKCS1v15/2048-4 1.505m ± 0% 1.446m ± 0% -3.93% (p=0.000 n=10)
DecryptOAEP/2048-4 24.37m ± 0% 18.72m ± 0% -23.17% (p=0.000 n=10)
EncryptOAEP/2048-4 1.570m ± 0% 1.510m ± 0% -3.84% (p=0.000 n=10)
SignPKCS1v15/2048-4 24.52m ± 0% 18.80m ± 0% -23.36% (p=0.000 n=10)
VerifyPKCS1v15/2048-4 1.491m ± 0% 1.431m ± 0% -4.00% (p=0.000 n=10)
SignPSS/2048-4 24.60m ± 0% 18.89m ± 0% -23.21% (p=0.000 n=10)
VerifyPSS/2048-4 1.565m ± 0% 1.504m ± 0% -3.87% (p=0.000 n=10)
geomean 10.90m 9.066m -16.79%
Change-Id: I8414ba0028b0781a945610abe02c285d2387aef3
Reviewed-on: https://go-review.googlesource.com/c/go/+/516536
Reviewed-by: Mark Ryan <markdryan@rivosinc.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: M Zhuo <mzh@golangcn.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
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|---|---|---|
| .. | ||
| aes | ||
| boring | ||
| cipher | ||
| des | ||
| dsa | ||
| ecdh | ||
| ecdsa | ||
| ed25519 | ||
| elliptic | ||
| hmac | ||
| internal | ||
| md5 | ||
| rand | ||
| rc4 | ||
| rsa | ||
| sha1 | ||
| sha256 | ||
| sha512 | ||
| subtle | ||
| tls | ||
| x509 | ||
| crypto.go | ||
| issue21104_test.go | ||