Difference between revisions of "Benchmarks Game/Parallel"

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Quad-core enabled parallel Haskell benchmark entries, for
 
Quad-core enabled parallel Haskell benchmark entries, for
−
the [http://shootout.alioth.debian.org/u64q/benchmark.php?test=all&lang=all 64 bit quad core shootout].
 +
the [http://shootout.alioth.debian.org/u64q/benchmark.php?test=all&lang=all 64 bit quad core benchmarks game].
   
 
== Advice ==
  
== Advice ==
   
−
* Check the GC stats with +RTS -sstderr -RTS, if that number if over 5%,
 +
* Check the GC stats with +RTS -sstderr -RTS, if that number if over 5%, use -HxxxM to set a better default heap size. (Note *this is probably not permitted by the "initial allocation area rule" for the binary-trees benchmark).
  ⚫
* Use N capabilities for SMP, e.g. +RTS -N4 -RTS, for the quad core.
−
use -AxxxM to set a better default heap size.
  
  ⚫
* Take the single threaded, fast programs and parallelise them
⚫
* Use N+1 capabilities for SMP, e.g. +RTS -N5 -RTS, for the quad core.
  
⚫
* Take the single threaded, fast programs and parallise them
  
 
* Parallel strategies are the lightest way to add SMP capabilities.
  
* Parallel strategies are the lightest way to add SMP capabilities.
  +
* Contact dons or sbahra on #haskell for access to a quad or eight-way benchmark machine, before uploading.
  +
* See if you can use the new parallel GC to good effect: no entries currently do.
   
−
== Programs ==
 +
== Parallel Programs ==
   
−
* [/BinaryTrees]
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* [[/BinaryTrees]] and [[/BinaryTreesDPH]]
  +
* [[/Chameneos]]
  +
* [[/Fannkuch]]
  +
* [[/Mandelbrot]]
  +
* [[/RegexDNA]]
  +
* [[/SpectralNorm]]
  +
* [[/ThreadRing]]
  +
* [[/Knucleotide]]
  +
  +
== Not yet parallelised ==
  +
  +
* [[/Fasta]]
  +
* [[/MeteorContest]]
  +
* [[/NBody]]
  +
* [[/Pidigits]] (''note GHC 6.10.1 has a GC bug illustrated by this program'')
  +
* [[/ReverseComplement]]
  +
  +
[[Category:Parallel]]

Latest revision as of 22:12, 11 January 2013

Quad-core enabled parallel Haskell benchmark entries, for the 64 bit quad core benchmarks game.

Advice

  • Check the GC stats with +RTS -sstderr -RTS, if that number if over 5%, use -HxxxM to set a better default heap size. (Note *this is probably not permitted by the "initial allocation area rule" for the binary-trees benchmark).
  • Use N capabilities for SMP, e.g. +RTS -N4 -RTS, for the quad core.
  • Take the single threaded, fast programs and parallelise them
  • Parallel strategies are the lightest way to add SMP capabilities.
  • Contact dons or sbahra on #haskell for access to a quad or eight-way benchmark machine, before uploading.
  • See if you can use the new parallel GC to good effect: no entries currently do.

Parallel Programs

Not yet parallelised

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