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mpl: use only the moveable macros during random cluster resizing in SA #6697

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Merged
maliberty merged 3 commits into from
Mar 31, 2025
Merged

mpl: use only the moveable macros during random cluster resizing in SA #6697

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fb34d5f
mpl: use only the moveable macros to compute the new size for a rando…
AcKoucher Feb 12, 2025
361e034
Merge branch 'master' into mpl-soft-sa-resizing
AcKoucher Feb 27, 2025
93785e0
Merge branch 'master' into mpl-soft-sa-resizing
AcKoucher Mar 21, 2025
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12 changes: 8 additions & 4 deletions src/mpl/src/SACoreSoftMacro.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -773,7 +773,8 @@ void SACoreSoftMacro::resizeOneCluster()
if (option <= 0.25) {
// Change the width of soft block to Rb = e.x2 - b.x1
float e_x2 = outline_.getWidth();
for (const auto& macro : macros_) {
for (const int macro_id : pos_seq_) {
SoftMacro& macro = macros_[macro_id];
const float cur_x2 = macro.getX() + macro.getWidth();
if (cur_x2 > ux && cur_x2 < e_x2) {
e_x2 = cur_x2;
Expand All @@ -782,7 +783,8 @@ void SACoreSoftMacro::resizeOneCluster()
src_macro.setWidth(e_x2 - lx);
} else if (option <= 0.5) {
float d_x2 = lx;
for (const auto& macro : macros_) {
for (const int macro_id : pos_seq_) {
SoftMacro& macro = macros_[macro_id];
const float cur_x2 = macro.getX() + macro.getWidth();
if (cur_x2 < ux && cur_x2 > d_x2) {
d_x2 = cur_x2;
Expand All @@ -795,7 +797,8 @@ void SACoreSoftMacro::resizeOneCluster()
} else if (option <= 0.75) {
// change the height of soft block to Tb = a.y2 - b.y1
float a_y2 = outline_.getHeight();
for (const auto& macro : macros_) {
for (const int macro_id : pos_seq_) {
SoftMacro& macro = macros_[macro_id];
const float cur_y2 = macro.getY() + macro.getHeight();
if (cur_y2 > uy && cur_y2 < a_y2) {
a_y2 = cur_y2;
Expand All @@ -805,7 +808,8 @@ void SACoreSoftMacro::resizeOneCluster()
} else {
// Change the height of soft block to Bb = c.y2 - b.y1
float c_y2 = ly;
for (const auto& macro : macros_) {
for (const int macro_id : pos_seq_) {
SoftMacro& macro = macros_[macro_id];
const float cur_y2 = macro.getY() + macro.getHeight();
if (cur_y2 < uy && cur_y2 > c_y2) {
c_y2 = cur_y2;
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