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| Current File : //proc/self/root/proc/self/root/home/ubuntu/node-v16.18.1/benchmark/zlib/pipe.js |
'use strict';
const common = require('../common.js');
const fs = require('fs');
const zlib = require('zlib');
const bench = common.createBenchmark(main, {
inputLen: [1024],
duration: [5],
type: ['string', 'buffer'],
algorithm: ['gzip', 'brotli']
}, {
test: {
inputLen: 1024,
duration: 0.2
}
});
function main({ inputLen, duration, type, algorithm }) {
const buffer = Buffer.alloc(inputLen, fs.readFileSync(__filename));
const chunk = type === 'buffer' ? buffer : buffer.toString('utf8');
const input = algorithm === 'gzip' ?
zlib.createGzip() : zlib.createBrotliCompress();
const output = algorithm === 'gzip' ?
zlib.createGunzip() : zlib.createBrotliDecompress();
let readFromOutput = 0;
input.pipe(output);
if (type === 'string')
output.setEncoding('utf8');
output.on('data', (chunk) => readFromOutput += chunk.length);
function write() {
input.write(chunk, write);
}
bench.start();
write();
setTimeout(() => {
// Give result in GBit/s, like the net benchmarks do
bench.end(readFromOutput * 8 / (1024 ** 3));
// Cut off writing the easy way.
input.write = () => {};
}, duration * 1000);
}
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