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static: Log legalisation displacement per group 

Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2026-05-06 08:29:47 +02:00
parent 6fffc4d2c7
commit c4cbc3ff88
1 changed files with 14 additions and 1 deletions
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15
common/place/placer_static.cc
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@ -80,7 +80,7 @@ struct MoveCell
{
StaticRect rect;
// TODO: multiple contiguous vectors is probably faster than an array of structs, but also messier
RealPair pos, ref_pos, last_pos, last_ref_pos;
RealPair pos, ref_pos, last_pos, last_ref_pos, solver_pos;
RealPair ref_wl_grad, wl_grad, last_wl_grad;
RealPair ref_dens_grad, dens_grad, last_dens_grad;
RealPair ref_total_grad, total_grad, last_total_grad;
@ -1189,6 +1189,7 @@ class StaticPlacer
for (int i = 0; i < int(ccells.size()); i++) {
auto &mc = mcells.at(i);
auto &cc = ccells.at(i);
mc.solver_pos = mc.pos;
if (dsp_bram && mc.group < 2)
continue;
if (!dsp_bram && mc.group >= 2)
@ -1212,6 +1213,18 @@ class StaticPlacer
update_nets(true);
float post_hpwl = system_hpwl();
log_info("HPWL after legalise: %f (delta: %f)\n", post_hpwl, post_hpwl - pre_hpwl);
if (ctx->verbose) {
std::vector<float> disp_by_group(cfg.cell_groups.size());
for (int i = 0; i < int(ccells.size()); i++) {
auto &mc = mcells.at(i);
disp_by_group.at(mc.group) +=
std::sqrt(std::pow(mc.pos.x - mc.solver_pos.x, 2) + std::pow(mc.pos.y - mc.solver_pos.y, 2));
}
log_info(" displacement by group: \n");
for (int i = 0; i < int(cfg.cell_groups.size()); i++) {
log_info(" %s %.0f\n", cfg.cell_groups.at(i).name.c_str(ctx), disp_by_group.at(i));
}
}
}
void enqueue_legalise(int cell_idx)