path_bench.js

var path = require('path');

var simplePath = '/home/Users/deadhorse/git/node/lib/path.js';
var pathWithDot = '/home/Users/deadhorse/git/node/./lib/./path.js';
var pathWithDotDot = '/home/Users/deadhorse/git/node/../lib/../path.js';

var length = 1000000;

console.time('normalize simple path');
for (var i = 0; i < length; i++) {
  path.normalize(simplePath);
}
console.timeEnd('normalize simple path');

console.time('resolve simple path');
for (var i = 0; i < length; i++) {
  path.resolve(simplePath);
}
console.timeEnd('resolve simple path');

console.time('normalize path contains .');
for (var i = 0; i < length; i++) {
  path.normalize(pathWithDot);
}
console.timeEnd('normalize path contains .');

console.time('resolve path contains .');
for (var i = 0; i < length; i++) {
  path.resolve(pathWithDot);
}
console.timeEnd('resolve path contains .');

console.time('normalize path contains ..');
for (var i = 0; i < length; i++) {
  path.normalize(pathWithDotDot);
}
console.timeEnd('normalize path contains ..');

console.time('resolve path contains ..');
for (var i = 0; i < length; i++) {
  path.resolve(pathWithDotDot);
}
console.timeEnd('resolve path contains ..');