f495b36ccd
This unrolls the counter loop and simplifies the load/storing of text/ciphertext and keys by using unaligned VSX memory operations. Performance delta on POWER9: name old time/op new time/op delta Encrypt 19.9ns ± 0% 14.9ns ± 0% -24.95% Decrypt 19.8ns ± 0% 14.6ns ± 0% -26.12% Change-Id: Iba98d5c1d88c6bead45bc04c97ae64bcb6fc9f21 Reviewed-on: https://go-review.googlesource.com/c/go/+/404354 Run-TryBot: Paul Murphy <murp@ibm.com> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> Reviewed-by: David Chase <drchase@google.com> Reviewed-by: Filippo Valsorda <valsorda@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> |
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