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"use strict";
/**
* Given a map from test names to arrays of results, report perfherder metrics
* and log full results.
*/
function reportMetrics(journal) {
let metrics = {};
let text = "\nResults (ms)\n";
const names = Object.keys(journal);
const prefixLen = 1 + Math.max(...names.map(str => str.length));
for (const name in journal) {
const med = median(journal[name]);
text += (name + ":").padEnd(prefixLen, " ") + stringify(journal[name]);
text += " median " + med + "\n";
metrics[name] = med;
}
dump(text);
info("perfMetrics", JSON.stringify(metrics));
}
function median(arr) {
arr = [...arr].sort((a, b) => a - b);
const mid = Math.floor(arr.length / 2);
if (arr.length % 2) {
return arr[mid];
}
return (arr[mid - 1] + arr[mid]) / 2;
}
function stringify(arr) {
function pad(num) {
let s = num.toString().padStart(5, " ");
if (s[0] != " ") {
s = " " + s;
}
return s;
}
return arr.reduce((acc, elem) => acc + pad(elem), "");
}