Fastest crc32
implement in Node.js
The 4 tested implementations are:
- @node-rs/crc32 Hardware accelerated CRC-32C from crc32fast
- sse4_crc32c Hardware accelerated CRC-32C from sse4_crc32
- js_crc32c Javascript implemented CRC-32C
- js_crc32 Javascript implemented CRC-32 from buffer-crc32
@node-rs/crc32 for inputs 1024B x 5,108,123 ops/sec ±1.86% (89 runs sampled)
@node-rs/crc32 for inputs 16931844B, avg 2066B x 271 ops/sec ±1.15% (85 runs sampled)
sse4_crc32c_hw for inputs 1024B x 3,543,443 ops/sec ±1.39% (93 runs sampled)
sse4_crc32c_hw for inputs 16931844B, avg 2066B x 209 ops/sec ±0.78% (76 runs sampled)
sse4_crc32c_sw for inputs 1024B x 1,460,284 ops/sec ±2.35% (90 runs sampled)
sse4_crc32c_sw for inputs 16931844B, avg 2066B x 93.50 ops/sec ±2.43% (69 runs sampled)
js_crc32c for inputs 1024B x 464,681 ops/sec ±0.46% (91 runs sampled)
js_crc32c for inputs 16931844B, avg 2066B x 28.25 ops/sec ±1.64% (51 runs sampled)
js_crc32 for inputs 1024B x 442,272 ops/sec ±2.66% (93 runs sampled)
js_crc32 for inputs 16931844B, avg 2066B x 22.12 ops/sec ±5.20% (40 runs sampled)
+---------------------+-------------------+----------------------+
| │ 1024B │ 16931844B, avg 2066B |
+---------------------+-------------------+----------------------+
| @node-rs/crc32 │ 5,108,123 ops/sec │ 271 ops/sec |
+---------------------+-------------------+----------------------+
| sse4_crc32c_hw │ 3,543,443 ops/sec │ 209 ops/sec |
+---------------------+-------------------+----------------------+
| sse4_crc32c_sw │ 1,460,284 ops/sec │ 93.50 ops/sec |
+---------------------+-------------------+----------------------+
| js_crc32c │ 464,681 ops/sec │ 28.25 ops/sec |
+---------------------+-------------------+----------------------+
| js_crc32 │ 442,272 ops/sec │ 22.12 ops/sec |
+---------------------+-------------------+----------------------+
The type of input initial crc and output crc number is
u32
export function crc32(input: Buffer, crc?: number): number
export function crc32c(input: Buffer, crc?: number): number
const { crc32 } = require('@node-rs/crc32')
const { readFileSync } = require('fs')
const content = readFileSync('./avatar.png')
crc32(content)