benchmarking

oxlint vs ESLint: Is 100x Faster Worth It?

oxlint 1.87.0 vs ESLint 9.39.4 on react-hook-form (301 files): 0.09 s vs 9.81 s single-thread (6.02 s with --concurrency auto, 1.10 s warm --cache). @oxlint/migrate ported 42 of 84 rules natively, 80 with JS plugins. 315 vs 562 warnings; seeded test 11/15 native, 13/15 with JS plugins, ESLint 15/15.

lzma vs bz2 Compress: Localhost Lab

functools.reduce vs for-loop: Localhost Lab

ast.literal_eval vs json.loads: Localhost Lab

gc.collect Cost Empty vs Cycles: Localhost Lab

Hands-on gc.collect cost empty vs cyclic garbage lab: real collect latency plus reclaim counts, measured on Linux localhost today in this lab for SREs.

html.parser vs regex Tag Strip: Localhost Lab

fractions.Fraction vs float: Localhost Lab

Hands-on fractions.Fraction vs float for exact ratios: real ops/s and exactness checks, measured on Linux localhost today in this hands-on lab for SREs.

ExitStack vs Nested with Resources: Localhost Lab

Hands-on contextlib.ExitStack vs nested with and manual close: real cycles/s for N resources, measured on Linux localhost in this hands-on lab for SREs.

itertools.batched vs Manual Chunking: Localhost Lab

Hands-on itertools.batched vs manual list-slice chunking: real items/s batching sequences, measured on Linux localhost today in this hands-on lab for SREs.

ChainMap vs Merged Dict Lookup: Localhost Lab

Hands-on collections.ChainMap vs merged dict config lookup: real ops/s on layered keys, measured on Linux localhost today in this hands-on lab for SREs.

lru_cache vs functools.cache: Is There Any Difference?