feat: introduce a LRU compiled style cache for the HTML formatter#938
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alecthomas merged 1 commit intomasterfrom Feb 27, 2024
Merged
feat: introduce a LRU compiled style cache for the HTML formatter#938alecthomas merged 1 commit intomasterfrom
alecthomas merged 1 commit intomasterfrom
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``` 🐚 ~/dev/chroma $ benchcmp before.txt after.txt master benchmark old ns/op new ns/op delta BenchmarkHTMLFormatter-8 160560 77797 -51.55% benchmark old allocs new allocs delta BenchmarkHTMLFormatter-8 1267 459 -63.77% benchmark old bytes new bytes delta BenchmarkHTMLFormatter-8 52568 25067 -52.32% ```
gkaikoponen
reviewed
Feb 27, 2024
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| func (l *styleCache) get(style *chroma.Style) map[chroma.TokenType]string { | ||
| l.mu.Lock() | ||
| defer l.mu.Unlock() |
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Can this be turned into a sync.RWLock? Most cases will probably only write to this cache once so it'd be a shame to introduce potential lock-contention if there are many reads.
Something like https://stackoverflow.com/a/70236841 should dodge the gotchas with finishing the read-unlock-defer before grabbing the write lock
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Possibly, send a PR through if you're interested.
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FWIW I started with an RWMutex but it simplifies the code being a plain Mutex.
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