nodejs-mozilla/benchmark/buffers/buffer-compare-instance-met...

60 lines
1.2 KiB
JavaScript

'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
size: [16, 512, 4096, 16386],
args: [1, 2, 5],
n: [1e6]
});
function main({ n, size, args }) {
const b0 = Buffer.alloc(size, 'a');
const b1 = Buffer.alloc(size, 'a');
const b0Len = b0.length;
const b1Len = b1.length;
b1[size - 1] = 'b'.charCodeAt(0);
switch (args) {
case 2:
b0.compare(b1, 0);
bench.start();
for (let i = 0; i < n; i++) {
b0.compare(b1, 0);
}
bench.end(n);
break;
case 3:
b0.compare(b1, 0, b1Len);
bench.start();
for (let i = 0; i < n; i++) {
b0.compare(b1, 0, b1Len);
}
bench.end(n);
break;
case 4:
b0.compare(b1, 0, b1Len, 0);
bench.start();
for (let i = 0; i < n; i++) {
b0.compare(b1, 0, b1Len, 0);
}
bench.end(n);
break;
case 5:
b0.compare(b1, 0, b1Len, 0, b0Len);
bench.start();
for (let i = 0; i < n; i++) {
b0.compare(b1, 0, b1Len, 0, b0Len);
}
bench.end(n);
break;
default:
b0.compare(b1);
bench.start();
for (let i = 0; i < n; i++) {
b0.compare(b1);
}
bench.end(n);
}
}