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feat(autorouter/multilayer_reconfigurer): Only relayer ratlines failed in best case

This commit is contained in:
Mikolaj Wielgus 2025-10-28 15:09:47 +01:00
parent 01b6691257
commit bd37d2f7f8
1 changed files with 30 additions and 17 deletions
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47
src/autorouter/multilayer_reconfigurer.rs
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@ -30,6 +30,7 @@ pub enum MultilayerAutorouteReconfigurer {
pub struct IncrementFailedRatlineLayersMultilayerAutorouteReconfigurer {
last_configuration: MultilayerAutorouteConfiguration,
maybe_best_planar_status: Option<PlanarAutorouteConfigurationStatus>,
planar_autoroute_reconfiguration_count: u64,
}
@ -41,6 +42,7 @@ impl IncrementFailedRatlineLayersMultilayerAutorouteReconfigurer {
) -> Self {
Self {
last_configuration: preconfiguration,
maybe_best_planar_status: None,
planar_autoroute_reconfiguration_count: 0,
}
}
@ -54,30 +56,41 @@ impl MakeNextMultilayerAutorouteConfiguration
autorouter: &Autorouter<impl AccessMesadata>,
planar_result: Result<PlanarAutorouteConfigurationStatus, AutorouterError>,
) -> ControlFlow<Option<MultilayerAutorouteConfiguration>> {
if self.planar_autoroute_reconfiguration_count < 10 {
self.planar_autoroute_reconfiguration_count += 1;
return ControlFlow::Continue(());
}
self.planar_autoroute_reconfiguration_count = 0;
self.planar_autoroute_reconfiguration_count += 1;
let Ok(planar_status) = planar_result else {
return ControlFlow::Break(None);
};
if self
.maybe_best_planar_status
.as_ref()
.is_none_or(|status| status.costs.lengths.len() < planar_status.costs.lengths.len())
{
self.maybe_best_planar_status = Some(planar_status.clone());
}
if self.planar_autoroute_reconfiguration_count < 10 {
return ControlFlow::Continue(());
}
self.planar_autoroute_reconfiguration_count = 0;
let mut new_anterouter_plan = self.last_configuration.plan.clone();
for ratline_index in
planar_status.costs.lengths.len()..planar_status.configuration.ratlines.len()
{
*new_anterouter_plan
.layer_map
.get_mut(&planar_status.configuration.ratlines[ratline_index])
.unwrap() += 1;
*new_anterouter_plan
.layer_map
.get_mut(&planar_status.configuration.ratlines[ratline_index])
.unwrap() %= autorouter.board().layout().drawing().layer_count();
if let Some(ref best_planar_status) = self.maybe_best_planar_status {
for ratline_index in
best_planar_status.costs.lengths.len()..planar_status.configuration.ratlines.len()
{
*new_anterouter_plan
.layer_map
.get_mut(&planar_status.configuration.ratlines[ratline_index])
.unwrap() += 1;
*new_anterouter_plan
.layer_map
.get_mut(&planar_status.configuration.ratlines[ratline_index])
.unwrap() %= autorouter.board().layout().drawing().layer_count();
}
}
self.last_configuration = MultilayerAutorouteConfiguration {