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Use a lock and channel free parallelization for subseq scoring

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This commit is contained in:
Kovid Goyal
2025-06-06 06:39:09 +05:30
parent 3feea5b279
commit 3059c87bd0
2 changed files with 42 additions and 12 deletions
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17
tools/tui/subseq/score.go
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@@ -8,7 +8,6 @@ import (
"strings"
"github.com/kovidgoyal/kitty/tools/utils"
"github.com/kovidgoyal/kitty/tools/utils/images"
)
var _ = fmt.Print
@@ -202,10 +201,7 @@ func score_item(item string, idx int, needle []rune, opts *resolved_options_type
}
func ScoreItems(query string, items []string, opts Options) []*Match {
ctx := images.Context{}
ctx.SetNumberOfThreads(opts.NumberOfThreads)
ans := make([]*Match, len(items))
results := make(chan *Match, len(items))
nr := []rune(strings.ToLower(query))
if opts.Level1 == "" {
opts.Level1 = LEVEL1
@@ -219,15 +215,12 @@ func ScoreItems(query string, items []string, opts Options) []*Match {
ropts := resolved_options_type{
level1: []rune(opts.Level1), level2: []rune(opts.Level2), level3: []rune(opts.Level3),
}
ctx.Parallel(0, len(items), func(nums <-chan int) {
utils.Run_in_parallel_over_range(opts.NumberOfThreads, func(start, limit int) error {
w := workspace_type{}
for i := range nums {
results <- score_item(items[i], i, nr, &ropts, &w)
for i := start; i < limit; i++ {
ans[i] = score_item(items[i], i, nr, &ropts, &w)
}
})
close(results)
for x := range results {
ans[x.idx] = x
}
return nil
}, 0, len(items))
return ans
}