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Fixed performance bug in matching code.

This commit is contained in:
Alan Mishchenko 2011-12-05 18:27:03 -08:00
parent 72404d1fdf
commit df8b636169
1 changed files with 18 additions and 3 deletions
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21
src/map/if/ifDec16.c
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@ -781,17 +781,32 @@ void If_CluSwapVars( word * pTruth, int nVars, int * V2P, int * P2V, int iVar, i
}
else
{
/*
iStep = If_CluWordNum(iVar + 1)/2;
jStep = If_CluWordNum(jVar + 1)/2;
for ( w = 0; w < nWords; w += 2*jStep )
for (w = 0; w < nWords; w += 2*jStep)
{
for ( i = 0; i < jStep; i += 2*iStep )
for (i = 0; i < jStep; i += 2*iStep)
{
temp = pTruth[w + iStep + i];
pTruth[w + iStep + i] = pTruth[w + jStep + i];
pTruth[w + jStep + i] = temp;
}
}
*/
iStep = If_CluWordNum(iVar + 1)/2;
jStep = If_CluWordNum(jVar + 1)/2;
for (w = 0; w < nWords; w += 2*jStep)
{
for (i = 0; i < jStep; i += 2*iStep)
{
for (j = 0; j < iStep; j++)
{
temp = pTruth[w + iStep + i + j];
pTruth[w + iStep + i + j] = pTruth[w + jStep + i + j];
pTruth[w + jStep + i + j] = temp;
}
}
}
}
if ( V2P && P2V )