bd79c3788bRemove micro-optimizations that no longer yield any benefits, restructure timers & immediates to be a bit more straightforward. Adjust timers benchmarks to run long enough to offer meaningful data. PR-URL: https://github.com/nodejs/node/pull/17279 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Timothy Gu <timothygu99@gmail.com>
115 lines
1.9 KiB
JavaScript
115 lines
1.9 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const bench = common.createBenchmark(main, {
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thousands: [5000],
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type: ['depth', 'depth1', 'breadth', 'breadth1', 'breadth4', 'clear']
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});
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function main(conf) {
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const N = +conf.thousands * 1e3;
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switch (conf.type) {
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case 'depth':
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depth(N);
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break;
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case 'depth1':
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depth1(N);
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break;
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case 'breadth':
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breadth(N);
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break;
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case 'breadth1':
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breadth1(N);
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break;
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case 'breadth4':
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breadth4(N);
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break;
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case 'clear':
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clear(N);
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break;
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}
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}
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// setImmediate tail recursion, 0 arguments
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function depth(N) {
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var n = 0;
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bench.start();
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setImmediate(cb);
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function cb() {
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n++;
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if (n === N)
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bench.end(N / 1e3);
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else
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setImmediate(cb);
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}
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}
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// setImmediate tail recursion, 1 argument
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function depth1(N) {
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var n = 0;
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bench.start();
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setImmediate(cb, 1);
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function cb(a1) {
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n++;
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if (n === N)
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bench.end(N / 1e3);
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else
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setImmediate(cb, 1);
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}
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}
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// concurrent setImmediate, 0 arguments
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function breadth(N) {
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var n = 0;
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bench.start();
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function cb() {
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n++;
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if (n === N)
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bench.end(N / 1e3);
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}
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for (var i = 0; i < N; i++) {
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setImmediate(cb);
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}
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}
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// concurrent setImmediate, 1 argument
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function breadth1(N) {
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var n = 0;
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bench.start();
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function cb(a1) {
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n++;
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if (n === N)
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bench.end(N / 1e3);
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}
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for (var i = 0; i < N; i++) {
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setImmediate(cb, 1);
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}
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}
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// concurrent setImmediate, 4 arguments
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function breadth4(N) {
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N /= 2;
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var n = 0;
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bench.start();
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function cb(a1, a2, a3, a4) {
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n++;
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if (n === N)
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bench.end(N / 1e3);
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}
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for (var i = 0; i < N; i++) {
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setImmediate(cb, 1, 2, 3, 4);
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}
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}
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function clear(N) {
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N *= 4;
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bench.start();
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function cb(a1) {
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if (a1 === 2)
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bench.end(N / 1e3);
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}
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for (var i = 0; i < N; i++) {
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clearImmediate(setImmediate(cb, 1));
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}
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setImmediate(cb, 2);
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}
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