i made csv-parser 1.3x faster (sometimes)

Jul 1, 2025 · 6 min read · why even bother? A few months ago I was working on a data processing pipeline that needed to churn through some larger-ish CSV files, like 7K+ rows, 1MB+ files. Not "big data" but it was big enough that I’d get impatient. I was using the csv-parser l...