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'use strict';
const common = require('../common.js');
const v8 = require('v8');
const bench = common.createBenchmark(main, {
size: [16, 512, 1024, 4096, 16386],
args: [1, 2, 3, 4, 5],
millions: [1]
});
function main(conf) {
const iter = (conf.millions >>> 0) * 1e6;
const size = (conf.size >>> 0);
const args = (conf.args >>> 0);
const b0 = Buffer.alloc(size, 'a');
const b1 = Buffer.alloc(size, 'a');
const b0Len = b0.length;
const b1Len = b1.length;
var i;
b1[size - 1] = 'b'.charCodeAt(0);
// Force optimization before starting the benchmark
switch (args) {
case 2:
b0.compare(b1, 0);
break;
case 3:
b0.compare(b1, 0, b1Len);
break;
case 4:
b0.compare(b1, 0, b1Len, 0);
break;
case 5:
b0.compare(b1, 0, b1Len, 0, b0Len);
break;
default:
b0.compare(b1);
}
v8.setFlagsFromString('--allow_natives_syntax');
eval('%OptimizeFunctionOnNextCall(b0.compare)');
switch (args) {
case 2:
b0.compare(b1, 0);
bench.start();
for (i = 0; i < iter; i++) {
b0.compare(b1, 0);
}
bench.end(iter / 1e6);
break;
case 3:
b0.compare(b1, 0, b1Len);
bench.start();
for (i = 0; i < iter; i++) {
b0.compare(b1, 0, b1Len);
}
bench.end(iter / 1e6);
break;
case 4:
b0.compare(b1, 0, b1Len, 0);
bench.start();
for (i = 0; i < iter; i++) {
b0.compare(b1, 0, b1Len, 0);
}
bench.end(iter / 1e6);
break;
case 5:
b0.compare(b1, 0, b1Len, 0, b0Len);
bench.start();
for (i = 0; i < iter; i++) {
b0.compare(b1, 0, b1Len, 0, b0Len);
}
bench.end(iter / 1e6);
break;
default:
b0.compare(b1);
bench.start();
for (i = 0; i < iter; i++) {
b0.compare(b1);
}
bench.end(iter / 1e6);
}
}