[Mono-devel-list] Language Shootout - problems with Mono times

[Isaac Gouy]

Sorry if this is somewhat OT.

We're having problems getting consistent times for the Mono C# programs
in  "The Great Computer Language Shootout" 
(Mono C# has been pulled from the shootout once already because of this
problem - it would be good to fix it this time.)

Mono C# is good but not this good ;-)
http://shootout.alioth.debian.org/bench/sieve/

Even Linux time gives inconsistent results:

   root at lin mono_shootout # time mono sieve.exe 1000
   Count: 1028

   real    0m0.982s
   user    0m0.920s
   sys     0m0.030s

   root at lin mono_shootout # time mono sieve.exe 1000
   Count: 1028

   real    0m0.977s
   user    0m0.030s
   sys     0m0.020s

   root at lin mono_shootout # time mono sieve.exe 1000
   Count: 1028

   real    0m0.979s
   user    0m0.920s
   sys     0m0.020s

   root at lin mono_shootout # time mono sieve.exe 1000
   Count: 1028

   real    0m0.978s
   user    0m0.020s
   sys     0m0.040

Explanations and suggestions appreciated.
(The shootout Perl script grabs user & sys times, forks, execs the mono
program, and grabs user & sys times.)
  


		
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