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Diffstat (limited to 'crypto/sha/asm/sha512-armv8.pl')
| -rw-r--r-- | crypto/sha/asm/sha512-armv8.pl | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/crypto/sha/asm/sha512-armv8.pl b/crypto/sha/asm/sha512-armv8.pl index 6935ed6521..bd7a0a5662 100644 --- a/crypto/sha/asm/sha512-armv8.pl +++ b/crypto/sha/asm/sha512-armv8.pl @@ -14,12 +14,18 @@ # # SHA256-hw SHA256(*) SHA512 # Apple A7 1.97 10.5 (+33%) 6.73 (-1%(**)) -# Cortex-A5x n/a n/a n/a +# Cortex-A53 2.38 15.6 (+110%) 10.1 (+190%(***)) +# Cortex-A57 2.31 11.6 (+86%) 7.51 (+260%(***)) # # (*) Software SHA256 results are of lesser relevance, presented # mostly for informational purposes. # (**) The result is a trade-off: it's possible to improve it by -# 10%, but at the cost of 20% loss on Cortex-A5x. +# 10% (or by 1 cycle per round), but at the cost of 20% loss +# on Cortex-A53 (or by 4 cycles per round). +# (***) Super-impressive coefficients over gcc-generated code are +# indication of some compiler "pathology", most notably code +# generated with -mgeneral-regs-only is significanty faster +# and lags behind assembly only by 50-90%. $flavour=shift; $output=shift; |