benchmark: calibrate config dgram multi-buffer

brunocroh · targos · commit cbec4fd6dea3 · 2025-09-24T09:03:35.000+02:00
PR-URL: #59696 Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
diff --git a/benchmark/dgram/multi-buffer.js b/benchmark/dgram/multi-buffer.js
@@ -5,18 +5,18 @@ const common = require('../common.js');
 const dgram = require('dgram');
 const PORT = common.PORT;
 
-// `num` is the number of send requests to queue up each time.
+// `n` is the number of send requests to queue up each time.
 // Keep it reasonably high (>10) otherwise you're benchmarking the speed of
 // event loop cycles more than anything else.
 const bench = common.createBenchmark(main, {
-  len: [64, 256, 1024],
-  num: [100],
-  chunks: [1, 2, 4, 8],
+  len: [64, 512, 1024],
+  n: [100],
+  chunks: [1, 8],
   type: ['send', 'recv'],
   dur: [5],
 });
 
-function main({ dur, len, num, type, chunks }) {
+function main({ dur, len, n, type, chunks }) {
   const chunk = [];
   for (let i = 0; i < chunks; i++) {
     chunk.push(Buffer.allocUnsafe(Math.round(len / chunks)));
@@ -26,11 +26,11 @@ function main({ dur, len, num, type, chunks }) {
   const socket = dgram.createSocket('udp4');
 
   function onsend() {
-    if (sent++ % num === 0) {
+    if (sent++ % n === 0) {
       // The setImmediate() is necessary to have event loop progress on OSes
       // that only perform synchronous I/O on nonblocking UDP sockets.
       setImmediate(() => {
-        for (let i = 0; i < num; i++) {
+        for (let i = 0; i < n; i++) {
           socket.send(chunk, PORT, '127.0.0.1', onsend);
         }
       });
