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Precompute exclusive group member tracks to avoid hot-loop map allocations

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This commit is contained in:
Ian Gulliver
2026-02-21 23:01:07 -08:00
parent 1178adba92
commit 4ec5cbe8e0
1 changed files with 9 additions and 10 deletions
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17
cmd/qrunproxy/timeline.go
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@@ -90,19 +90,18 @@ func (c constraint) String() string {
type exclusiveGroup struct {
members []*TimelineCell
memberTracks map[*TimelineTrack]bool
}
func (g exclusiveGroup) satisfied(tracks []*TimelineTrack) bool {
row := g.members[0].row
memberTracks := map[*TimelineTrack]bool{}
for _, m := range g.members {
memberTracks[m.track] = true
if m.row != row {
return true
}
}
for _, t := range tracks {
if memberTracks[t] {
if g.memberTracks[t] {
continue
}
if t.cellTypeAt(row, CellEvent, CellTitle, CellSignal) {
@@ -245,7 +244,10 @@ func (tl *Timeline) buildConstraints() {
for _, trigger := range tl.show.Triggers {
source := tl.findCell(trigger.Source.Block, trigger.Source.Signal)
group := exclusiveGroup{members: []*TimelineCell{source}}
group := exclusiveGroup{
members: []*TimelineCell{source},
memberTracks: map[*TimelineTrack]bool{source.track: true},
}
for _, target := range trigger.Targets {
t := tl.findCell(target.Block, target.Hook)
@@ -254,6 +256,7 @@ func (tl *Timeline) buildConstraints() {
source.Type = CellSignal
}
group.members = append(group.members, t)
group.memberTracks[t.track] = true
}
tl.exclusives = append(tl.exclusives, group)
}
@@ -308,12 +311,8 @@ func (tl *Timeline) enforceExclusives() bool {
continue
}
row := g.members[0].row
memberTracks := map[*TimelineTrack]bool{}
for _, m := range g.members {
memberTracks[m.track] = true
}
for _, t := range tl.Tracks {
if memberTracks[t] {
if g.memberTracks[t] {
continue
}
if !t.cellTypeAt(row, CellEvent, CellTitle, CellSignal) {