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From: kemal <kemalinanc8@gmail.com>
Date: Wed, 2 Jun 2021 16:46:46 +0300
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X-Bullshit: WEB2.0 GPU base-based hosting cache-aware frontend 
Subject: Re: [9front] [PATCH] sha3 but fixed the code style
Reply-To: 9front@9front.org
Precedence: bulk

hello,

> - sha3_keccakf() seems more than sub-optimal
>
> 64-bit constants need to have ULL prefix.
>
> for example, the indexing will be done twice because of the ROTL64() macro
>
> loops not unrolled, especially with the mod 5 indexing (divisions can be
> very slow)

i stole go's keccakf code, and translated it into c. it just uses
bitwise operations and loops are unrolled. looks definitely better
than the current one. can fulton test if this actually works?

http://okturing.com/src/11179/body