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39dfc54e28
Replace synthetic benchmark payloads with 'Auld Lang Syne' (Robert Burns, 1788, public domain) rendered into every supported format (LRC, plain, enhanced LRC, SRT, TTML, Lyricsfile YAML) so the numbers reflect realistic content. Same song across formats makes per-format cost comparable. Baseline (Apple M-series, -benchmem, real fixtures): LRC ~28 us/op 42 KB 147 allocs Plain ~23 us/op 18 KB 22 allocs EnhancedLRC ~37 us/op 51 KB 374 allocs SRT ~52 us/op 139 KB 581 allocs TTML ~119 us/op 276 KB 1227 allocs YAML ~142 us/op 193 KB 1732 allocs Sniff(LRC) ~47 us/op 57 KB 237 allocs Sniff(TTML) ~122 us/op 282 KB 1250 allocs Sniff(YAML) ~186 us/op 218 KB 1847 allocs Fixtures in tests/fixtures/lyrics/.
45 lines
2 KiB
Go
45 lines
2 KiB
Go
package model
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// Benchmark payloads are real public-domain lyrics ("Auld Lang Syne", Robert
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// Burns, 1788) rendered into every supported format, so the numbers reflect
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// realistic content and sizing. The same song across formats makes per-format
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// cost directly comparable. Fixtures live in tests/fixtures/lyrics/.
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func loadLyricFixture(b *testing.B, name string) []byte {
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b.Helper()
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contents, err := os.ReadFile(filepath.Join("..", "tests", "fixtures", "lyrics", name))
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if err != nil {
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b.Fatal(err)
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}
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return contents
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}
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func benchmarkParse(b *testing.B, suffix, fixture string) {
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contents := loadLyricFixture(b, fixture)
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b.ReportAllocs()
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b.SetBytes(int64(len(contents)))
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for b.Loop() {
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if _, err := ParseLyrics(suffix, "eng", contents); err != nil {
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b.Fatal(err)
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}
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}
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}
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func BenchmarkParseLyrics_LRC(b *testing.B) { benchmarkParse(b, ".lrc", "auld-lang-syne.lrc") }
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func BenchmarkParseLyrics_Plain(b *testing.B) { benchmarkParse(b, ".txt", "auld-lang-syne.txt") }
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func BenchmarkParseLyrics_EnhancedLRC(b *testing.B) { benchmarkParse(b, ".lrc", "auld-lang-syne.elrc") }
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func BenchmarkParseLyrics_SRT(b *testing.B) { benchmarkParse(b, ".srt", "auld-lang-syne.srt") }
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func BenchmarkParseLyrics_TTML(b *testing.B) { benchmarkParse(b, ".ttml", "auld-lang-syne.ttml") }
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func BenchmarkParseLyrics_YAML(b *testing.B) { benchmarkParse(b, ".yaml", "auld-lang-syne.yaml") }
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// Content-sniff path (empty suffix) — what embedded tags and plugins hit.
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func BenchmarkParseLyrics_SniffTTML(b *testing.B) { benchmarkParse(b, "", "auld-lang-syne.ttml") }
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func BenchmarkParseLyrics_SniffSRT(b *testing.B) { benchmarkParse(b, "", "auld-lang-syne.srt") }
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func BenchmarkParseLyrics_SniffYAML(b *testing.B) { benchmarkParse(b, "", "auld-lang-syne.yaml") }
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func BenchmarkParseLyrics_SniffLRC(b *testing.B) { benchmarkParse(b, "", "auld-lang-syne.lrc") }
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func BenchmarkParseLyrics_SniffPlain(b *testing.B) { benchmarkParse(b, "", "auld-lang-syne.txt") }
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