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Code Issues Packages 1 Wiki Activity
denoland-deno/ext/node
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Divy Srivastava 1ba88a7892
perf(ext/node): improve Buffer from string performance (#24567) 
Fixes https://github.com/denoland/deno/issues/24323

- Use a Buffer pool for `fromString`
- Implement fast call base64 writes
- Direct from string `create` method for each encoding op

```
$ deno bench -A bench.mjs # 1.45.1+fee4d3a
cpu: Apple M1 Pro
runtime: deno 1.45.1+fee4d3a (aarch64-apple-darwin)

benchmark                time (avg)             (min … max)       p75       p99      p999
----------------------------------------------------------- -----------------------------
Buffer.from base64      550 ns/iter     (490 ns … 1'265 ns)    572 ns    606 ns  1'265 ns
Buffer#write base64     285 ns/iter       (259 ns … 371 ns)    307 ns    347 ns    360 ns

$ ~/gh/deno/target/release/deno bench -A bench.mjs # this PR
cpu: Apple M1 Pro
runtime: deno dev (aarch64-apple-darwin)

benchmark                time (avg)             (min … max)       p75       p99      p999
----------------------------------------------------------- -----------------------------
Buffer.from base64      151 ns/iter       (145 ns … 770 ns)    148 ns    184 ns    648 ns
Buffer#write base64   62.58 ns/iter     (60.79 ns … 157 ns)  61.65 ns  75.79 ns    141 ns

$ node bench.mjs # v22.4.0
cpu: Apple M1 Pro
runtime: node v22.4.0 (arm64-darwin)

benchmark                time (avg)             (min … max)       p75       p99      p999
----------------------------------------------------------- -----------------------------
Buffer.from base64      163 ns/iter     (96.92 ns … 375 ns)  99.45 ns    127 ns    220 ns
Buffer#write base64   75.48 ns/iter     (74.97 ns … 134 ns)  75.17 ns  81.83 ns  96.84 ns
```
2024-07-30 18:09:55 +05:30
..
benchmarks fix: implement child_process IPC (#21490) 2023-12-13 11:14:16 +01:00
ops refactor(ext/node): create separate ops for node:http module (#24788) 2024-07-30 14:34:52 +02:00
polyfills perf(ext/node): improve Buffer from string performance (#24567) 2024-07-30 18:09:55 +05:30
build.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
Cargo.toml refactor(ext/node): create separate ops for node:http module (#24788) 2024-07-30 14:34:52 +02:00
clippy.toml refactor(ext/fs): deno_fs::FileSystem - conditional Send + Sync (#18993) 2023-05-08 11:02:02 -04:00
global.rs refactor: decouple node resolution from deno_core (#24724) 2024-07-25 19:08:14 -04:00
lib.rs refactor(ext/node): create separate ops for node:http module (#24788) 2024-07-30 14:34:52 +02:00
polyfill.rs refactor: decouple node resolution from deno_core (#24724) 2024-07-25 19:08:14 -04:00
README.md chore(ext/node): correct publishing for ext/node (#15461) 2022-08-11 17:25:41 -04:00

README.md

deno_node

require and other node related functionality for Deno.