fix: use Buffer.concat on node as it is faster#73
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achingbrain merged 1 commit intomasterfrom Nov 24, 2023
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Running the concat.js benchmark: Before: ``` Uint8Arrays.concat x 792,619 ops/sec ±0.67% (98 runs sampled) Uint8Arrays.concat with length x 782,264 ops/sec ±0.18% (98 runs sampled) Uint8Array.set x 799,528 ops/sec ±0.67% (92 runs sampled) allocUnsafe.set x 851,403 ops/sec ±0.24% (97 runs sampled) Fastest is allocUnsafe.set ``` After: ``` Uint8Arrays.concat x 896,831 ops/sec ±0.20% (101 runs sampled) Uint8Arrays.concat with length x 887,523 ops/sec ±0.19% (99 runs sampled) Uint8Array.set x 814,749 ops/sec ±0.46% (98 runs sampled) allocUnsafe.set x 885,140 ops/sec ±0.28% (98 runs sampled) Fastest is Uint8Arrays.concat ```
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## master #73 +/- ##
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Coverage 100.00% 100.00%
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Files 16 16
Lines 554 547 -7
Branches 93 82 -11
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## [4.0.9](v4.0.8...v4.0.9) (2023-11-24) ### Bug Fixes * use Buffer.concat on node as it is faster ([#73](#73)) ([8d6c24b](8d6c24b))
shamilovtim
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Dec 7, 2023
| export function concat (arrays: Array<ArrayLike<number>>, length?: number): Uint8Array { | ||
| export function concat (arrays: Uint8Array[], length?: number): Uint8Array { | ||
| if (globalThis.Buffer != null) { | ||
| return asUint8Array(globalThis.Buffer.concat(arrays, length)) |
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Unfortunately arrays here causes Buffer.concat to throw, where before arrays would have been converted to a Uint8Array on line 24.
achingbrain
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Reinstantes the performance changes from #73 BREAKING CHANGE: concat now expects an array of Uint8Arrays
achingbrain
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Reinstates the performance changes from #73 BREAKING CHANGE: concat now expects an array of Uint8Arrays
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Running the concat.js benchmark:
Before:
After: