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