Hi All,
What's the current fastest version of secp256k1_fe_mul for i5/i7?
Currently that's my bottleneck on secp256k1_unsafe lib. Which has the same asm as the official.
One of the ASM in this thread caused segfault for me, the other was slower than the original.
% cumulative self self total
time seconds seconds calls ms/call ms/call name
46.24 4.67 4.67 235910453 0.00 0.00 secp256k1_fe_mul_inner
13.71 6.06 1.39 88835758 0.00 0.00 secp256k1_fe_sqr_inner
10.05 7.07 1.02 2 507.51 507.51 sha256_transf