flow like the river

VISUALIZACION/node_modules/ngraph.graph/perf/edge-iteration.js

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+var createGraph = require('../');
+var randomAPI = require('ngraph.random').random;
+var Benchmark = require('benchmark');
+var suite = new Benchmark.Suite;
+
+var edgeIterationSumWeight = 0;
+var edgeIterationMultigraph = 0;
+
+suite.add('Edge iteration', function() {
+  var graph = createGraph();
+  var random = randomAPI(42);
+  var maxEdgeId = 10000000;
+  for(var i = 1; i < 1000; ++i) {
+    var fromId = random.next(maxEdgeId);
+    var toId = random.next(maxEdgeId);
+    graph.addLink(fromId, toId, i);
+  }
+  edgeIterationSumWeight = 0;
+  for (var i = 0; i < 100; ++i) {
+    graph.forEachLink(addUpWeight);
+  }
+  function addUpWeight(link) {
+    edgeIterationSumWeight += link.data;
+  }
+});
+
+suite.add('Edge iteration for multigraph', function() {
+  var graph = createGraph({multigraph: true});
+  var random = randomAPI(42);
+  var maxEdgeId = 10000000;
+  for(var i = 1; i < 1000; ++i) {
+    var fromId = random.next(maxEdgeId);
+    var toId = random.next(maxEdgeId);
+    graph.addLink(fromId, toId, i);
+  }
+  edgeIterationMultigraph = 0;
+  for (var i = 0; i < 100; ++i) {
+    graph.forEachLink(addUpWeight);
+  }
+  function addUpWeight(link) {
+    edgeIterationMultigraph += link.data;
+  }
+});
+
+
+suite.on('cycle', function(event) {
+  console.log(String(event.target));
+  console.log('edge iteration sum weight', edgeIterationSumWeight);
+  console.log('edge iteration multigraph weight', edgeIterationMultigraph);
+})
+// run async
+.run({ 'async': true });
+