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495 changes: 248 additions & 247 deletions BUILDING.md

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29 changes: 13 additions & 16 deletions benchmark/process/bench-env.js
Original file line number Diff line number Diff line change
@@ -1,52 +1,49 @@
'use strict';
"use strict";

const common = require('../common');
const common = require("../common");

const bench = common.createBenchmark(main, {
n: [1e6],
operation: ['get', 'set', 'enumerate', 'query', 'delete']
operation: ["get", "set", "enumerate", "query", "delete"]
});


function main({ n, operation }) {
switch (operation) {
case 'get':
case "get":
bench.start();
for (let i = 0; i < n; i++) {
process.env.PATH;
}
bench.end(n);
break;
case 'set':
case "set":
bench.start();
for (let i = 0; i < n; i++) {
process.env.DUMMY = 'hello, world';
process.env.DUMMY = "hello, world";
}
bench.end(n);
break;
case 'enumerate':
case "enumerate":
// First, normalize process.env so that benchmark results are comparable.
for (const key of Object.keys(process.env))
delete process.env[key];
for (let i = 0; i < 64; i++)
process.env[Math.random()] = Math.random();
for (const key of Object.keys(process.env)) delete process.env[key];
for (let i = 0; i < 64; i++) process.env[Math.random()] = Math.random();

n /= 10; // Enumeration is comparatively heavy.
n /= 10; // Enumeration is comparatively heavy.
bench.start();
for (let i = 0; i < n; i++) {
// Access every item in object to process values.
Object.keys(process.env);
}
bench.end(n);
break;
case 'query':
case "query":
bench.start();
for (let i = 0; i < n; i++) {
'PATH' in process.env;
"PATH" in process.env;
}
bench.end(n);
break;
case 'delete':
case "delete":
bench.start();
for (let i = 0; i < n; i++) {
delete process.env.DUMMY;
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