Re: [S390x] Optimize SHA1 with fat build support

2021-09-19 Thread Maamoun TK
On Sun, Aug 29, 2021 at 5:52 PM Maamoun TK wrote: > Applying hardware-accelerated SHA3 instruction to optimize sha3_permute > function for s390x arch has an insignificant impact on the performance, I'm > wondering what we can do to take full advantage of those instructions. > Optimizing

Re: CBC-AES (was: Re: [S390x] Optimize AES modes)

2021-09-19 Thread Maamoun TK
On Mon, Sep 13, 2021 at 5:08 PM Niels Möller wrote: > ni...@lysator.liu.se (Niels Möller) writes: > > > I've also added a cbc-aes128-encrypt.asm. > > That gives more significant speedup, almost 60%. I think main reason for > > the speedup is that we avoid reloading subkeys between blocks. > >