Brainfuck interpreter tests

Last update: 2004-12-20    OUTDATED!
Test code: http://www.outcast-media.de/yabfi/mandelbrot.b 
Test machine: littlefarm.beyer, 700MHz PIII, 192MB RAM

# test 1: bf 20040423
$ time bf mandelbrot.b
real    6m26.177s
user    6m5.010s
sys     0m1.100s

# test 1a: bf 20040728 (using gcc optimization)
$ time bf mandelbrot.b
real    4m42.615s
user    4m19.080s
sys     0m1.427s

# test 1b: bf 20040828 (internal optimization)
$ time bf mandelbrot.b
real    3m23.214s
user    3m13.313s
sys     0m1.003s

# test 1c: bf 20041219 (internal optimization)
$ time bf mandelbrot.b
real    1m21.455s
user    1m18.797s
sys     0m0.387s

--- now the other candidates ---

# Test 2: Kurt's Brainfuck Interpreter 0.1.2
# from http://web.ics.purdue.edu/~weberk/brainfuck.html
$ ln -s mandelbrot.b mandelbrot.bf
$ echo -e 'file mandelbrot\nrun\nexit' | ./bfi
Kurt's Brainfuck interpreter version 0.1
Copyright (C) 2003 Kurt Weber
Released under the terms of the GNU General Public License Version 2
> > Error: Unbalanced brackets...aborting
# that's not true!

# Test 3: GBrainfuck 0.3.1 from http://gbf.sourceforge.net/#interpreter
$ time gbf -f mandelbrot.b
real    20m28.603s
user    17m52.920s
sys     0m4.360s

# Test 4: PHP-Brainfuck 1.01 from http://daniel.lorch.cc/projects/brainfuck/
$ time php4 mandelbrot.php
-> no output after 21 minutes (CTRL+C)

# Skipped Test 5: .sig C Brainfuck interpreter
char m[9999],*n[99],*r=m,*p=m+5000,**s=n,d,c;main(){for(read(0,r,4000);c=*r;
r++)c-']'||(d>1||(r=*p?*s:(--s,r)),!d||d--),c-'['||d++||(*++s=r),d||(*p+=c==
'+',*p-=c=='-',p+=c=='>',p-=c=='<',c-'.'||write(2,p,1),c-','||read(2,p,1));}

# Test 6: http://www.brainfuck.ca/BFI.pl version 1.0 by Thomas Cort
$ time ./BFI.pl mandelbrot.b 
-> no output after 28 minutes (C-c)

# Test 7: http://www.brainfuck.ca/BFI.c version 1.1 by Thomas Cort
$ time ./BFI mandelbrot.b 
real    16m57.938s
user    15m55.840s
sys     0m2.960s

# Test 8: http://www.hevanet.com/cristofd/brainfuck/qdb.c by Daniel Cristofani
Comment: fast and even very few code
$ time ./qdb mandelbrot.b
real    1m58.949s
user    1m53.625s
sys     0m0.637s

# Test 9: http://swapped.cc/bf/files/bff-1.0.2.tar.gz by Alex Pankratov
$ time ./bff mandelbrot.b
real    2m28.117s
user    2m24.280s
sys     0m0.440s

# Test 9a:  http://swapped.cc/bf/files/bff-1.0.3.1.tar.gz by Alex Pankratov
$ time ./bff mandelbrot.b
real    0m54.460s
user    0m52.005s
sys     0m0.325s

Great, bff is really faster than mine. (Compare 9a and 1b)
Congratulations to Alex Pankratov for that masterpiece :)