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Merged
merged 14 commits into from
Oct 20, 2025
Merged

Gpl: remove filler removal cap #8480

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165d725
gpl: fix max filler removal
LucasYuki Sep 5, 2025
d304d69
Merge remote-tracking branch 'origin/master' into gpl_fix_max_filler_…
LucasYuki Sep 8, 2025
9db81d0
Merge remote-tracking branch 'origin/master' into gpl_fix_max_filler_…
LucasYuki Sep 9, 2025
a47856a
update jpeg_sky130hd.metrics
LucasYuki Sep 9, 2025
76ad848
Merge remote-tracking branch 'origin/master' into gpl_fix_max_filler_…
LucasYuki Sep 24, 2025
8c37ae7
update metrics
LucasYuki Sep 24, 2025
4ffa579
gpl: remove filler removal limit
LucasYuki Sep 25, 2025
42989c7
Merge branch 'The-OpenROAD-Project:master' into gpl_remove_filler_rem…
LucasYuki Sep 30, 2025
7bdfcce
Merge branch 'The-OpenROAD-Project:master' into gpl_remove_filler_rem…
LucasYuki Oct 2, 2025
16b1859
updated metrics
LucasYuki Oct 2, 2025
b03a62d
Merge remote-tracking branch 'origin/master' into gpl_remove_filler_r…
LucasYuki Oct 4, 2025
4ece3d6
Merge remote-tracking branch 'private/master' into gpl_remove_filler_…
LucasYuki Oct 6, 2025
6d12000
Merge remote-tracking branch 'private/master' into gpl_remove_filler_…
LucasYuki Oct 7, 2025
05af3af
Merge remote-tracking branch 'origin/master' into gpl_remove_filler_r…
LucasYuki Oct 17, 2025
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70 changes: 34 additions & 36 deletions src/gpl/src/nesterovBase.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3354,42 +3354,40 @@ void NesterovBase::cutFillerCells(int64_t inflation_area)
int64_t availableFillerArea = single_filler_area * fillerStor_.size();
int64_t originalInflationArea = inflation_area;

if (totalFillerArea_ >= static_cast<int64_t>(initial_filler_area_ * 0.9)) {
for (int i = nb_gcells_.size() - 1;
i >= 0 && removed_count < max_fllers_to_remove;
--i) {
if (nb_gcells_[i]->isFiller()) {
const GCell& removed = fillerStor_[nb_gcells_[i].getStorageIndex()];
removed_fillers_.push_back(RemovedFillerState{
.gcell = removed,
.curSLPCoordi = curSLPCoordi_[i],
.curSLPWireLengthGrads = curSLPWireLengthGrads_[i],
.curSLPDensityGrads = curSLPDensityGrads_[i],
.curSLPSumGrads = curSLPSumGrads_[i],

.nextSLPCoordi = nextSLPCoordi_[i],
.nextSLPWireLengthGrads = nextSLPWireLengthGrads_[i],
.nextSLPDensityGrads = nextSLPDensityGrads_[i],
.nextSLPSumGrads = nextSLPSumGrads_[i],

.prevSLPCoordi = prevSLPCoordi_[i],
.prevSLPWireLengthGrads = prevSLPWireLengthGrads_[i],
.prevSLPDensityGrads = prevSLPDensityGrads_[i],
.prevSLPSumGrads = prevSLPSumGrads_[i],

.curCoordi = curCoordi_[i],
.nextCoordi = nextCoordi_[i],
.initCoordi = initCoordi_[i],

.snapshotCoordi = snapshotCoordi_[i],
.snapshotSLPCoordi = snapshotSLPCoordi_[i],
.snapshotSLPSumGrads = snapshotSLPSumGrads_[i]});

destroyFillerGCell(i);
availableFillerArea -= single_filler_area;
inflation_area -= single_filler_area;
++removed_count;
}
for (int i = nb_gcells_.size() - 1;
i >= 0 && removed_count < max_fllers_to_remove;
--i) {
if (nb_gcells_[i]->isFiller()) {
const GCell& removed = fillerStor_[nb_gcells_[i].getStorageIndex()];
removed_fillers_.push_back(RemovedFillerState{
.gcell = removed,
.curSLPCoordi = curSLPCoordi_[i],
.curSLPWireLengthGrads = curSLPWireLengthGrads_[i],
.curSLPDensityGrads = curSLPDensityGrads_[i],
.curSLPSumGrads = curSLPSumGrads_[i],

.nextSLPCoordi = nextSLPCoordi_[i],
.nextSLPWireLengthGrads = nextSLPWireLengthGrads_[i],
.nextSLPDensityGrads = nextSLPDensityGrads_[i],
.nextSLPSumGrads = nextSLPSumGrads_[i],

.prevSLPCoordi = prevSLPCoordi_[i],
.prevSLPWireLengthGrads = prevSLPWireLengthGrads_[i],
.prevSLPDensityGrads = prevSLPDensityGrads_[i],
.prevSLPSumGrads = prevSLPSumGrads_[i],

.curCoordi = curCoordi_[i],
.nextCoordi = nextCoordi_[i],
.initCoordi = initCoordi_[i],

.snapshotCoordi = snapshotCoordi_[i],
.snapshotSLPCoordi = snapshotSLPCoordi_[i],
.snapshotSLPSumGrads = snapshotSLPSumGrads_[i]});

destroyFillerGCell(i);
availableFillerArea -= single_filler_area;
inflation_area -= single_filler_area;
++removed_count;
}
}

Expand Down
189 changes: 109 additions & 80 deletions test/jpeg_sky130hd.metrics
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,110 +3,139 @@
"IFP::instance_count": "45634",
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"route__wirelength__estimated": 1.48933e+06,
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"RSZ::max_capacitance_slack": "23.238444923395658",
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"RSZ::worst_slack_max": "-0.025830005532241487",
"RSZ::tns_max": "-0.025830005532241487",
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"DRT::max_capacitance_slack": "-3.960638285440248",
"DRT::clock_period": "8.000000",
"flow__warnings__count": 168,
"flow__warnings__count": 245,
"flow__errors__count": 0
}
26 changes: 13 additions & 13 deletions test/jpeg_sky130hd.metrics_limits
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,24 +1,24 @@
{
"IFP::instance_count" : "54760.799999999996"
,"DPL::design_area" : "552991.2"
,"DPL::design_area" : "553024.7999999999"
,"DPL::utilization" : "25.32"
,"RSZ::repair_design_buffer_count" : "342"
,"RSZ::repair_design_buffer_count" : "355"
,"RSZ::max_slew_slack" : "0"
,"RSZ::max_capacitance_slack" : "0"
,"RSZ::max_fanout_slack" : "0"
,"RSZ::worst_slack_min" : "-0.6924424785108001"
,"RSZ::worst_slack_max" : "-0.9769464624907256"
,"RSZ::tns_max" : "-3651.606097442724"
,"RSZ::worst_slack_min" : "-0.648234284598353"
,"RSZ::worst_slack_max" : "-0.8258300055322415"
,"RSZ::tns_max" : "-3650.7458300055328"
,"RSZ::hold_buffer_count" : "45"
,"GRT::ANT::errors" : "0"
,"GRT::ANT::errors" : "1"
,"DRT::drv" : "0"
,"DRT::worst_slack_min" : "-0.7253617023449799"
,"DRT::worst_slack_max" : "-1.2015650148286943"
,"DRT::tns_max" : "-3664.7038269366544"
,"DRT::clock_skew" : "0.7731927317249236"
,"DRT::max_slew_slack" : "-2.827271730222794"
,"DRT::max_capacitance_slack" : "-5.67271999856684"
,"DRT::worst_slack_min" : "-0.6601576361308328"
,"DRT::worst_slack_max" : "-1.1013580581488207"
,"DRT::tns_max" : "-3658.07767911867"
,"DRT::clock_skew" : "0.7827275049657502"
,"DRT::max_slew_slack" : "-3.2705158528653464"
,"DRT::max_capacitance_slack" : "-4.752765942528297"
,"DRT::max_fanout_slack" : "0"
,"DRT::clock_period" : "8.0"
,"DRT::ANT::errors" : "1"
,"DRT::ANT::errors" : "0"
}
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