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Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth

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From mhx@iae.nl (Marcel Hendrix)
Subject Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth
Newsgroups comp.lang.forth
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Date Mon, 21 Jan 2013 22:51:35 +0200
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anton@mips.complang.tuwien.ac.at (Anton Ertl) writes Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth

> mhx@iae.nl (Marcel Hendrix) writes:
>>It might even follow that there is no advantage in using registers
>>over directly adressed memory locations...

> That would be wrong.  The main difference between gforth-fast and
> gforth is that the former keeps more stuff in registers, in particular
> the instruction and the return-stack pointer.  And there is a
> significant performance difference between gforth-fast and gforth:

> ./gforth-fast --dynamic onebench.fs
> sieve bubble matrix  fib
> 0.112 0.228  0.080 0.188
> ./gforth --dynamic onebench.fs
> sieve bubble matrix  fib
> 0.336 0.428  0.244 0.504

You mean that the speed of gforth-fast is because it uses a register
instead of fixed memory location for frequently used stuff?

I thought the speed resulted from a more direct path to the needed 
data, e.g. no  ape @ @ @ @ @ to get the data, because it is already 
in rax? (less instructions).

Again, I might quantify the  mem/reg  question by translating a
small CODE word by hand.

-marcel

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ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-15 21:31 -0800
  Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-15 21:57 -0800
    Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-26 10:01 -0800
  Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-16 15:25 +0100
    Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-16 09:45 -0800
      Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-16 19:08 +0100
        Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-16 10:32 -0800
          Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-16 23:33 +0100
            Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Alex McDonald <blog@rivadpm.com> - 2013-01-16 14:53 -0800
              Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-16 20:40 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-17 22:36 +0200
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-17 22:24 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-17 22:46 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-19 09:14 +0200
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Alex McDonald <blog@rivadpm.com> - 2013-01-19 08:24 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth jzakiya@gmail.com - 2013-01-19 18:10 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-20 08:56 +0200
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-20 14:38 +0100
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-20 16:25 +0200
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Alex McDonald <blog@rivadpm.com> - 2013-01-20 11:44 -0800
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-21 17:22 +0000
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-21 22:51 +0200
                Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-22 17:26 +0000
        Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-01-18 16:50 +0000
    Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth mhx@iae.nl (Marcel Hendrix) - 2013-01-16 19:53 +0200
      Re: ANN: All FIPS 180-4 Secure Hash Algorithms in ANS Forth Bernd Paysan <bernd.paysan@gmx.de> - 2013-01-16 23:29 +0100

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