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Critical bug fix on WA calculation

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This will improve HPWL by 20%
This commit is contained in:
mgwoo
2020-02-12 19:08:37 -08:00
parent a2950bd945
commit cd8ce32c0c
1 changed files with 4 additions and 4 deletions
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8
src/nesterovBase.cpp
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@@ -1498,7 +1498,7 @@ NesterovBase::updateWireLengthForceWA(
float expMinX = (gNet->lx() - gPin->cx()) * wlCoeffX;
float expMaxX = (gPin->cx() - gNet->ux()) * wlCoeffX;
float expMinY = (gNet->ly() - gPin->cy()) * wlCoeffY;
float expMaxY = (gPin->cy() - gNet->ly()) * wlCoeffY;
float expMaxY = (gPin->cy() - gNet->uy()) * wlCoeffY;
// min x
if(expMinX > nbVars_.minWireLengthForceBar) {
@@ -1625,7 +1625,7 @@ NesterovBase::getWireLengthPreconditioner(GCell* gCell) {
FloatCoordi
NesterovBase::getDensityPreconditioner(GCell* gCell) {
float areaVal = 0.0001 * static_cast<float>(gCell->dx())
float areaVal = static_cast<float>(gCell->dx())
* static_cast<float>(gCell->dy());
return FloatCoordi(areaVal, areaVal);
@@ -1648,8 +1648,8 @@ NesterovBase::getDensityGradient(GCell* gCell) {
float overlapArea
= getOverlapDensityArea(bin, gCell) * gCell->densityScale();
electroForce.x += 0.0001 * overlapArea * bin->electroForceX();
electroForce.y += 0.0001 * overlapArea * bin->electroForceY();
electroForce.x += overlapArea * bin->electroForceX();
electroForce.y += overlapArea * bin->electroForceY();
}
}
return electroForce;