parallel_reduce.cpp
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00001 #include <parallel_reduce.h>
00002 #include <parallel_utils.h>
00003 
00004 namespace parallel_ode
00005 {
00006 
00007 using ::parallel_utils::fillSequentialVector;
00008 using ::parallel_utils::fillStridedVector;
00009 using ::parallel_utils::iPower2Up;
00010 
00011 void ReduceStrategy::initialize( int bodySize, int maxBodyRepetitionCount, const IntVector& batchRepetitionCount )
00012 {
00013   setBodySize( bodySize );
00014   setBodySizeWithReduction( bodySize );
00015   setBodyStride( 1 );
00016   setBodyOffsetStride( 0 );
00017 }
00018 
00020 
00021 void SequentialReduceStrategy::initialize( int bodySize, int maxBodyRepetitionCount, const IntVector& batchRepetitionCount )
00022 {
00023   setBodySize( bodySize );
00024   setBodyStride( iPower2Up( maxBodyRepetitionCount ) );
00025   setBodySizeWithReduction( getBodyStride( ) * getBodySize( ) );
00026   setBodyOffsetStride( 1 );
00027 }
00028 
00030 
00031 void StridedReduceStrategy::initialize( int bodySize, int maxBodyRepetitionCount, const IntVector& batchRepetitionCount )
00032 {
00033   setBodySize( bodySize );
00034   setBodyOffsetStride( alignDefaultSize( getBodySize( ) ) );
00035   setBodySizeWithReduction( getBodyOffsetStride( ) * maxBodyRepetitionCount );
00036   setBodyStride( 1 );
00037 }
00038 
00040 
00041 void CompactReduceStrategy::initialize( int bodySize, int maxBodyRepetitionCount, const IntVector& batchRepetitionCount )
00042 {
00043   setBodySize( bodySize );
00044   int tempReductionSize = 0;
00045   for(size_t batchID = 0; batchID < batchRepetitionCount.size( ); ++batchID) {
00046     tempReductionSize += batchRepetitionCount[ batchID ];
00047   }
00048   setBodySizeWithReduction( tempReductionSize );
00049   setBodyStride( -1 );
00050   setBodyOffsetStride( 1 );
00051 }
00052 
00053 }


parallel_quickstep
Author(s): Jared Duke
autogenerated on Fri Jan 3 2014 11:36:56