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Sizable improvement in multigrid for unsquared.
6000 matmuls CG unprec 2000 matmuls CG prec (4000 eo muls) 1050 matmuls PGCR on 16^3 x 32 x 8 m=.01 Substantial effort on timing and logging infrastructure
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@ -39,7 +39,7 @@ int main (int argc, char ** argv)
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for(int dir=0;dir<4;dir++){
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for(int shift=0;shift<latt_size[dir];shift++){
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if ( Fine.IsBoss() )
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std::cout<<"Shifting by "<<shift<<" in direction"<<dir<<std::endl;
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std::cout<<GridLogMessage<<"Shifting by "<<shift<<" in direction"<<dir<<std::endl;
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ShiftU = Cshift(U,dir,shift); // Shift everything
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