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static: Fallback termination criteria for tricky cases 

Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2026-05-05 15:44:20 +02:00
parent 272b1097d0
commit 946faea376
1 changed files with 7 additions and 1 deletions
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8
common/place/placer_static.cc
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@ -1494,6 +1494,8 @@ class StaticPlacer
prepare_density_bins();
initialise();
bool legalised_ip = false;
float best_overlap = 1.0;
int best_overlap_iter = 0;
while (true) {
step();
for (auto &p : dens_penalty)
@ -1519,7 +1521,11 @@ class StaticPlacer
float logic_overlap = 0;
for (int i = 0; i < cfg.logic_groups; i++)
logic_overlap = std::max(logic_overlap, groups.at(i).overlap);
if (logic_overlap < 0.1) {
if (logic_overlap < best_overlap) {
best_overlap = logic_overlap;
best_overlap_iter = iter;
}
if (logic_overlap < 0.1 || (logic_overlap < 0.2 && iter > (best_overlap_iter + 50))) {
legalise_step(false);
break;
}