On 23/02/22 13:28, Maamoun TK wrote:
Benchmark the implementations on POWER9 and Z15 *---------------------------------------------------------------------------------------------* | Arch | Nettle patch (radix 2^44) | OpenSSL (radix 2^26) | |-------------------|--------------------------------------|-----------------------------------|
| PowerPC | 0.972 cycles/byte | 1.453 cycles/byte | |-------------------|--------------------------------------|-----------------------------------| | IBMz | 0.840 cycles/byte | 0.936 cycles/byte | *---------------------------------------------------------------------------------------------*
What would be more useful here is a column against the non-patched Nettle speeds. It is sure nice to see nettle being faster than OpenSSL, but what if this proposed change is actually a degrade in current nettle speeds on those machines?
Amos