filter and foldl benchmark suites

.gitignore

@@ -9,6 +9,7 @@ node_modules
 coverage
 *.swp
 
+
 /node_modules
 /examples/math.html
 /examples/math.js

bench/filter.bench.js

@@ -0,0 +1,36 @@
+var _ = require('lodash');
+var filter = require('../ramda').filter;
+var Benchmark = require('benchmark');
+var fs = require('fs');
+var out = './report/filter-' + (new Date()).toISOString() + '.json';
+var suite = new Benchmark.Suite;
+
+var nums = [8,2,85,2,34,3,23,247,57,8,0,6,5,46,54,643];
+function isEven(x) { return x % 2 === 0; }
+var filterEven = filter(isEven);
+
+suite
+.add('_.filter(nums, isEven)', function() {
+  _.filter(nums, isEven);
+})
+.add('filter(isEven, nums)', function() {
+  filter(isEven, nums);
+})
+.add('filter(isEven)(nums)', function() {
+  filter(isEven)(nums);
+})
+.add('filterEven(nums)', function() {
+  filterEven(nums);
+})
+.on('cycle', function(event) {
+  console.log(String(event.target));
+})
+.on('complete', function() {
+  console.log('Fastest is ' + this.filter('fastest').pluck('name'));
+  fs.writeFile(out, JSON.stringify(this), function(err) {
+    if (err) { console.log('failed to write ' + out); }
+    else { console.log('saved ' + out); }
+  });
+})
+.run();
+

bench/foldl.bench.js

@@ -0,0 +1,36 @@
+var _ = require('lodash');
+var foldl = require('../ramda').foldl;
+var Benchmark = require('benchmark');
+var fs = require('fs');
+var out = './report/foldl-' + (new Date()).toISOString() + '.json';
+var suite = new Benchmark.Suite;
+
+var nums = [8,2,85,2,34,3,23,247,57,8,0,6,5,46,54,643];
+function add(acc, x) { return acc + x; }
+var foldlAdd = foldl(add, 0);
+
+suite
+.add('_.reduce(nums, add, 0)', function() {
+  _.reduce(nums, add, 0);
+})
+.add('foldl(add, 0, nums)', function() {
+  foldl(add, 0, nums);
+})
+.add('foldl(add, 0)(nums)', function() {
+  foldl(add, 0)(nums);
+})
+.add('foldlAdd(nums)', function() {
+  foldlAdd(nums);
+})
+.on('cycle', function(event) {
+  console.log(String(event.target));
+})
+.on('complete', function() {
+  console.log('Fastest is ' + this.filter('fastest').pluck('name'));
+  fs.writeFile(out, JSON.stringify(this), function(err) {
+    if (err) { console.log('failed to write ' + out); }
+    else { console.log('saved ' + out); }
+  });
+})
+.run();
+