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
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