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'use strict';
const common = require('../common.js');
const types = [
'Uint8',
'Uint16LE',
'Uint16BE',
'Uint32LE',
'Uint32BE',
'Int8',
'Int16LE',
'Int16BE',
'Int32LE',
'Int32BE',
'Float32LE',
'Float32BE',
'Float64LE',
'Float64BE',
];
const bench = common.createBenchmark(main, {
type: types,
n: [1e6]
});
const INT8 = 0x7f;
const INT16 = 0x7fff;
const INT32 = 0x7fffffff;
const UINT8 = INT8 * 2;
const UINT16 = INT16 * 2;
const UINT32 = INT32 * 2;
const mod = {
setInt8: INT8,
setInt16: INT16,
setInt32: INT32,
setUint8: UINT8,
setUint16: UINT16,
setUint32: UINT32
};
function main({ n, type }) {
type = type || 'Uint8';
const ab = new ArrayBuffer(8);
const dv = new DataView(ab, 0, 8);
const le = /LE$/.test(type);
const fn = `set${type.replace(/[LB]E$/, '')}`;
if (/int/i.test(fn))
benchInt(dv, fn, n, le);
else
benchFloat(dv, fn, n, le);
}
function benchInt(dv, fn, len, le) {
const m = mod[fn];
const method = dv[fn];
bench.start();
for (let i = 0; i < len; i++) {
method.call(dv, 0, i % m, le);
}
bench.end(len);
}
function benchFloat(dv, fn, len, le) {
const method = dv[fn];
bench.start();
for (let i = 0; i < len; i++) {
method.call(dv, 0, i * 0.1, le);
}
bench.end(len);
}