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Hello,
ParallelSort library has been updated to version 2.2..
in this version i have parallelized alsothe merge procedure part and it gives
better performance.
Parallel Sort Library that supports Parallel Quicksort, Parallel HeapSort
and Parallel MergeSort on Multicores systems.
Parallel Sort Library 2.2 uses my Thread Pool Engine and quicksort many
array parts - of your array - in parallel using Quicksort or HeapSort or MergeSort a
nd after that it finally merge them - with the merge() procedure -
Parallelizing the Sorts
Sort the data on the individual processors.
Merge the various data
And please look at test.pas a parallel quicksort on many cores - compile and execute it...
Language: FPC Pascal v2.2.0+ / Delphi 7+: http://www.freepascal.org/
Operating Systems: Win , Linux and Mac (x86).
Required FPC switches: -O3 -Sd -dFPC -dWin32 -dFreePascal
-Sd for delphi mode....
Required Delphi switches: -DMSWINDOWS -$H+
For Delphi 5,6,7 use -DDelphi
For Delphi 2005,2006,2007,2009,2010+ use the switch -DDELPHI2005+
Amine Moulay Ramdane.
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Hello,
Parallelsort library was updated to version 2.22 ,
you can download it from:
http://pages.videotron.com/aminer/
What have changed in version 2.22 ?
Since i have set the length of the tab1 array like this:
If rest > 0
then
begin
setlength(tab1,length(tab));
Merge(Tab,Tab1,arr1[0].a,arr1[0].b,arr1[nbrprocs].b,comp);
SetLength(tab1,0) ;
end;
Ituses less memory now, and i have also forgot to set the length of
tab1 to zero in the previous version, and i have corrected this in
version 2.22.
Thank you.
Amine Moulay Ramdane.
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Amine Moulay Ramdane
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