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core/filtermaps: adjust slice preallocation capacity handling

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This commit is contained in:
Sushil-19 2026-03-03 14:28:26 +05:30
parent 54e9cc8957
commit 20fe4a9059
1 changed files with 6 additions and 1 deletions
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7
core/filtermaps/map_renderer.go
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@ -426,7 +426,12 @@ func (r *mapRenderer) writeFinishedMaps(pauseCb func() bool) error {
}
// add or update filter rows
for rowIndex := uint32(0); rowIndex < r.f.mapHeight; rowIndex++ {
capacity := len(r.finishedMaps)
base := len(r.finishedMaps)
extra := 0
if newRange.maps.AfterLast() == r.finished.AfterLast() {
extra = int(oldRange.maps.AfterLast() - r.finished.AfterLast())
}
capacity := base + extra
mapIndices := make([]uint32, 0, capacity)
rows := make([]FilterRow, 0, capacity)