9front - general discussion about 9front
 help / color / mirror / Atom feed
From: kemal <kemalinanc8@gmail.com>
To: 9front@9front.org
Subject: Re: [9front] [PATCH] sha3 but fixed the code style
Date: Wed, 2 Jun 2021 16:46:46 +0300	[thread overview]
Message-ID: <CABO6she9USNiYAYZ=6N-0EgEiYvoSG3BK03JTK_UvM5_2iwbAQ@mail.gmail.com> (raw)
In-Reply-To: <81A58E6C8B19C6A43FC236CFCED33CE5@felloff.net>

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

  reply	other threads:[~2021-06-03 19:08 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-31 16:00 fulton
2021-06-01 12:46 ` cinap_lenrek
2021-06-01 15:09   ` fulton
2021-06-02 12:16     ` cinap_lenrek
2021-06-01 19:51   ` fulton
2021-06-02 12:15     ` cinap_lenrek
2021-06-02 13:46       ` kemal [this message]
2021-06-02 14:16         ` kemal
2021-06-03  1:30           ` ori
2021-06-03 16:56           ` fulton
2021-06-02 14:45         ` cinap_lenrek
2021-06-03 15:24         ` fulton
2021-06-02 21:04       ` fulton
2021-06-03 20:28         ` hiro

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CABO6she9USNiYAYZ=6N-0EgEiYvoSG3BK03JTK_UvM5_2iwbAQ@mail.gmail.com' \
    --to=kemalinanc8@gmail.com \
    --cc=9front@9front.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).