wallet-core/thirdparty/systemjs/bench/normalize-perf.js

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var systemjs = require('../index.js');
var num = 5;
var startTime, endTime;
startTime = Date.now();
require('./config-example/config.js');
endTime = Date.now();
console.log('Configured in ' + (endTime - startTime) + 'ms');
require('./config-example/pkg-configs.js');
var normalizeData = require('./config-example/normalize-data.js');
// decanonicalize the parentNames (we're not measuring decanonicalize)
var normalizationCnt = 0;
normalizeData.forEach(function(item) {
normalizationCnt += item[1].length;
item[0] = System.decanonicalize(item[0]);
});
// simulated System.register normalization test
// timed normalize of 'x', ['./dep'] cases
function test() {
return Promise.all(normalizeData.map(function(item) {
var parentName = item[0];
var deps = item[1];
return Promise.all(deps.map(function(dep) {
return System.normalize(dep, parentName);
}));
}));
}
return Promise.resolve()
.then(function() {
starTime = Date.now();
return test()
.then(function() {
endTime = Date.now();
console.log(normalizationCnt + ' first run normalizations in ' + (endTime - startTime) + 'ms');
console.log((endTime - startTime) / normalizationCnt + 'ms per normalization');
});
})
.then(function() {
startTime = Date.now();
var testPromise = Promise.resolve();
for (var i = 0; i < num; i++)
testPromise = testPromise.then(test);
return testPromise
.then(function() {
endTime = Date.now();
var time = (endTime - startTime) / num;
console.log(normalizationCnt + ' subsequent normalizations in ' + time + 'ms');
console.log(time / normalizationCnt + 'ms per normalization');
/* System.perfSummary(function(evt) {
return evt.name.match(/^normalize\:/);
}); */
})
.catch(function(e) {
console.error(e.stack || e);
});
});