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Title: http: implement slab allocation for HTTP header parsing by mertcanaltin · Pull Request #61375 · nodejs/node · GitHub

Open Graph Title: http: implement slab allocation for HTTP header parsing by mertcanaltin · Pull Request #61375 · nodejs/node

X Title: http: implement slab allocation for HTTP header parsing by mertcanaltin · Pull Request #61375 · nodejs/node

Description: fix: // TODO(bnoordhuis) Use slab allocation, O(n) allocs is bad. before: http/bench-parser-fragmented.js n=100000 len=8 frags=2: 951,629.0928924936 http/bench-parser-fragmented.js n=100000 len=16 frags=2: 677,295.1203426437 http/bench-parser-fragmented.js n=100000 len=8 frags=4: 759,881.7857984888 http/bench-parser-fragmented.js n=100000 len=16 frags=4: 509,278.74034996366 http/bench-parser-fragmented.js n=100000 len=8 frags=8: 680,706.0381048893 http/bench-parser-fragmented.js n=100000 len=16 frags=8: 466,898.1840452692 after: 52% faster HTTP header parsing http/bench-parser-fragmented.js n=100000 len=8 frags=2: 1,231,534.676937666 http/bench-parser-fragmented.js n=100000 len=16 frags=2: 890,580.6675901335 http/bench-parser-fragmented.js n=100000 len=8 frags=4: 1,117,723.8010822271 http/bench-parser-fragmented.js n=100000 len=16 frags=4: 789,398.1180369954 http/bench-parser-fragmented.js n=100000 len=8 frags=8: 869,642.0937523921 http/bench-parser-fragmented.js n=100000 len=16 frags=8: 711,293.8345939534

Open Graph Description: fix: // TODO(bnoordhuis) Use slab allocation, O(n) allocs is bad. before: http/bench-parser-fragmented.js n=100000 len=8 frags=2: 951,629.0928924936 http/bench-parser-fragmented.js n=100000 len=16 ...

X Description: fix: // TODO(bnoordhuis) Use slab allocation, O(n) allocs is bad. before: http/bench-parser-fragmented.js n=100000 len=8 frags=2: 951,629.0928924936 http/bench-parser-fragmented.js n=100000 len=16 ...

Opengraph URL: https://github.com/nodejs/node/pull/61375

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Show all changes 7 commits https://github.com/nodejs/node/pull/61375/files
20bde47 http: implement slab allocation for HTTP header parsing mertcanaltin Jan 13, 2026 https://github.com/nodejs/node/pull/61375/commits/20bde47f5ce9416e303d21f31e9bf143a4fe33d7
9115556 lint mertcanaltin Jan 13, 2026 https://github.com/nodejs/node/pull/61375/commits/91155569ed4f6127a9f582f50c0b953e5b3b89f7
5def150 benchmark: add fragmented HTTP header parsing benchmark mertcanaltin Jan 15, 2026 https://github.com/nodejs/node/pull/61375/commits/5def1500fd6edb0da3657a1061fa814249f08af2
56393d3 implement shared slab allocation mertcanaltin Jan 15, 2026 https://github.com/nodejs/node/pull/61375/commits/56393d30b90bc2b8eaa773254d9526c64e958101
266bfdb rename Allocate call mertcanaltin Jan 21, 2026 https://github.com/nodejs/node/pull/61375/commits/266bfdbc10fe17ed1be76fa1c266c29c6ddfc47d
b9090c9 optimize StringPtrAllocator memory management mertcanaltin Jan 21, 2026 https://github.com/nodejs/node/pull/61375/commits/b9090c952343849d646176909f5091a8dcbfdde1
3d643fe refactor StringPtr and Parser to use allocator parameter in Save and … mertcanaltin Jan 21, 2026 https://github.com/nodejs/node/pull/61375/commits/3d643fe0f89417546f9d37658f3bf1837cc92815
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