Run results for: push vs spread in building graph from edges

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
push	4221480.5 Ops/sec
spread	3196669.0 Ops/sec

Tests:

push
const edges = [ ['w', 'x'], ['x', 'y'], ['z', 'y'], ['z', 'v'], ['w', 'v'] ]; const buildGraphPush = (edges) => { let graph = {}; for (let e of edges) { const [a, b] = e; if (!(a in graph)) graph[a] = []; if (!(b in graph)) graph[b] = []; graph[a].push(b); graph[b].push(a); } return graph; }; buildGraphPush(edges);
spread
const edges = [ ['w', 'x'], ['x', 'y'], ['z', 'y'], ['z', 'v'], ['w', 'v'] ]; const buildGraphSpread = (edges) => { let graph = {}; for (let e of edges) { const [a, b] = e; graph[a] = [...(graph[a] || []), b]; graph[b] = [...(graph[b] || []), a]; } return graph; }; buildGraphSpread(edges);