node/test/parallel/test-process-getactivereque...

'use strict';

require('../common');
const assert = require('assert');
const fs = require('fs');

for (let i = 0; i < 12; i++)
  fs.open(__filename, 'r', function() { });

assert.equal(12, process._getActiveRequests().length);
node: improve GetActiveRequests performance v8 is faster at setting object properties in JS than C++. Even when it requires calling into JS from native code. Make process._getActiveRequests() faster by doing this when populating the array containing request objects. Simple benchmark: for (let i = 0; i < 22; i++) fs.open(__filename, 'r', function() { }); let t = process.hrtime(); for (let i = 0; i < 1e6; i++) process._getActiveRequests(); t = process.hrtime(t); console.log((t[0] * 1e9 + t[1]) / 1e6); Results between the two: Previous: 4406 ns/op Patched: 690 ns/op 5.4x faster PR-URL: https://github.com/nodejs/node/pull/3375 Reviewed-By: James Snell <jasnell@gmail.com> Reviewed-By: Ben Noordhuis <ben@strongloop.com> 9 years ago			`'use strict';`

test: remove unnecessary assignments common.js needs to be loaded in all tests so that there is checking for variable leaks and possibly other things. However, it does not need to be assigned to a variable if nothing in common.js is referred to elsewhere in the test. PR-URL: https://github.com/nodejs/node/pull/4408 Reviewed-By: James M Snell <jasnell@gmail.com> 9 years ago			`require('../common');`
node: improve GetActiveRequests performance v8 is faster at setting object properties in JS than C++. Even when it requires calling into JS from native code. Make process._getActiveRequests() faster by doing this when populating the array containing request objects. Simple benchmark: for (let i = 0; i < 22; i++) fs.open(__filename, 'r', function() { }); let t = process.hrtime(); for (let i = 0; i < 1e6; i++) process._getActiveRequests(); t = process.hrtime(t); console.log((t[0] * 1e9 + t[1]) / 1e6); Results between the two: Previous: 4406 ns/op Patched: 690 ns/op 5.4x faster PR-URL: https://github.com/nodejs/node/pull/3375 Reviewed-By: James Snell <jasnell@gmail.com> Reviewed-By: Ben Noordhuis <ben@strongloop.com> 9 years ago			`const assert = require('assert');`
			`const fs = require('fs');`

			`for (let i = 0; i < 12; i++)`
			`fs.open(__filename, 'r', function() { });`

			`assert.equal(12, process._getActiveRequests().length);`