# bytelength-benchmarks

**Repository Path**: mirrors_WebReflection/bytelength-benchmarks

## Basic Information

- **Project Name**: bytelength-benchmarks
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: MIT
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-07-27
- **Last Updated**: 2026-07-25

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# bytelength-benchmarks

> Benchmarks for different methods of getting the byte length of a string

- `new Blob([input]).size`
- `Buffer.byteLength(input)`
- `new TextEncoder().encode(input).byteLength`
- [JavaScript implementation](./implementation.js)

# `"Hello, World!"`

```sh
npm test
```
```txt
./benchmarks/blob.js:           202’345.0 ops/sec (±13’993.9, p=0.001, o=0/100)
./benchmarks/buffer.js:         57’434’701.2 ops/sec (±425’763.3, p=0.001, o=9/100) severe outliers=5
./benchmarks/implementation.js: 48’441’909.6 ops/sec (±397’249.6, p=0.001, o=5/100) severe outliers=2
./benchmarks/textencoder.js:    2’667’052.4 ops/sec (±564’727.5, p=0.001, o=6/100) severe outliers=2
```

# `"a".repeat(2 ** 29 - 24)`

```sh
INPUT=max npm test -- --samples 10
```
```txt
./benchmarks/blob.js:           4.8 ops/sec (±0.1, p=0.001, o=0/10)
./benchmarks/buffer.js:         54.5 ops/sec (±3.0, p=0.001, o=0/10)
./benchmarks/implementation.js: 0.7 ops/sec (±0.0, p=0.001, o=0/10)
./benchmarks/textencoder.js:    11.9 ops/sec (±1.0, p=0.001, o=0/10)
```

# `"<every emoji>"`

```sh
INPUT=emojis npm test
```
```
./benchmarks/blob.js:           87’853.9 ops/sec (±8’013.3, p=0.001, o=5/100) severe outliers=1
./benchmarks/buffer.js:         585’142.0 ops/sec (±4’338.5, p=0.001, o=4/100) severe outliers=1
./benchmarks/implementation.js: 342’640.4 ops/sec (±1’451.7, p=0.001, o=1/100)
./benchmarks/textencoder.js:    181’980.1 ops/sec (±14’641.2, p=0.001, o=5/100) severe outliers=2
```