Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth

From	stephenXXX@mpeforth.com (Stephen Pelc)
Newsgroups	comp.lang.forth
Subject	Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth
Message-ID	<50b4bcf4.155317684@192.168.0.50> (permalink)
References	<50b3581a.63963810@192.168.0.50> <70131209928435@frunobulax.edu>
Date	2012-11-27 13:33 +0000

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On Mon, 26 Nov 2012 23:22:33 +0200, mhx@iae.nl (Marcel Hendrix) wrote:

>>>With even more smugness I present iForth32's result :-)
>>
>>Hot diggity! The code generator competitions are open again!

Code generation for return stack activity in iForth is truly
excellent.

>>However, the coding wars may have to wait until the new puppy has
>>settled in. At least it is now confirmed that assembler is *not* the
>             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>way to go.
> ^^^^^^^^^^
>
>No, *that* has not been proved. Almost certainly one can find a way
>to improve the code generated by iForth32, simply by disassembling it
>and eyeballing.

That's always true.

>What *has* been proved is that by now naive use of assembly language
>does not automatically lead to the fastest Forth code. It used to be 
>that the approach of finding the 'inner loop' of the algorithm and 
>coding that in assembler was enough.

That assumption, which I call the "spot assembler" assumption", is
now mostly invalid.

Stephen


-- 
Stephen Pelc, stephenXXX@mpeforth.com
MicroProcessor Engineering Ltd - More Real, Less Time
133 Hill Lane, Southampton SO15 5AF, England
tel: +44 (0)23 8063 1441, fax: +44 (0)23 8033 9691
web: http://www.mpeforth.com - free VFX Forth downloads

Thread

ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-11-20 22:32 -0800
  Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth stephenXXX@mpeforth.com (Stephen Pelc) - 2012-11-22 22:53 +0000
    Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth ritaoakford@gmail.com - 2012-11-23 00:21 -0800
    Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-11-23 14:20 +0000
    Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2012-11-25 22:58 +0200
      Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-11-25 14:41 -0800
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2012-11-26 00:59 +0200
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-11-25 16:10 -0800
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-11-26 04:18 -0800
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-11-26 19:17 +0100
      Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth stephenXXX@mpeforth.com (Stephen Pelc) - 2012-11-26 11:57 +0000
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-11-26 06:17 -0600
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2012-11-26 23:22 +0200
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth stephenXXX@mpeforth.com (Stephen Pelc) - 2012-11-27 13:33 +0000
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Fritz Wuehler <fritz@spamexpire-201211.rodent.frell.theremailer.net> - 2012-11-27 09:18 +0100
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Mark Wills <forthfreak@gmail.com> - 2012-11-27 01:08 -0800
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth stephenXXX@mpeforth.com (Stephen Pelc) - 2012-11-27 11:18 +0000
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-11-27 16:32 +0000
            Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Fritz Wuehler <fritz@spamexpire-201211.rodent.frell.theremailer.net> - 2012-11-28 11:59 +0100
              Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-11-28 14:11 +0000
  Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-11-26 16:50 +0000
  Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth stephenXXX@mpeforth.com (Stephen Pelc) - 2012-11-27 13:36 +0000
    Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-11-28 14:31 -0800
      Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-11-28 14:36 -0800
      Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Josh Grams <josh@qualdan.com> - 2012-11-30 00:08 +0000
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-11-30 13:56 -0800
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Josh Grams <josh@qualdan.com> - 2012-12-01 16:02 +0000
            Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-01 13:54 -0800
              Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Josh Grams <josh@qualdan.com> - 2012-12-02 11:26 +0000
      Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-12 14:52 -0800
        Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-12 23:47 -0800
          Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-13 00:38 -0800
            Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-13 20:17 -0800
              Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-13 20:25 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-13 20:53 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-13 21:16 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-14 03:43 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-14 12:15 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-20 00:21 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-14 04:45 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Howerd <howerdo@yahoo.co.uk> - 2012-12-14 03:33 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-14 12:20 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-14 10:28 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-14 12:39 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-15 01:47 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-19 18:10 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-19 19:53 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-20 14:44 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-20 19:28 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-20 13:56 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-21 01:41 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-21 03:58 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-21 02:20 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-21 06:46 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-21 15:34 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-21 08:40 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-22 03:36 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-21 20:07 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-23 02:37 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-22 19:24 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-23 15:52 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-23 17:52 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-24 03:57 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-24 16:20 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-24 15:36 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-25 02:52 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-24 21:51 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-25 20:56 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Paul Rubin <no.email@nospam.invalid> - 2012-12-26 01:08 -0800
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-26 16:02 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth David Thompson <dave.thompson2@verizon.net> - 2012-12-31 02:48 -0500
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth kenney@cix.compulink.co.uk - 2012-12-24 03:20 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-22 03:24 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-23 01:24 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-23 04:59 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-23 17:32 +0100
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-12-23 11:28 -0600
                Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-12-24 00:30 +0100
  Re: ANN: SHA-256 Secure Hash Algorithm in ANS Forth jzakiya@gmail.com - 2012-12-07 14:27 -0800

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