Changes in benchmark/ctxswitch/node_await.js [8633485b:7ac3151]

File:

• benchmark/ctxswitch/node_await.js (modified) (1 diff)

benchmark/ctxswitch/node_await.js

@@ -1 @@
-var times = 5000000
+var times = 1000000
 var argc = process.argv.length // node, path
 if ( argc > 3 ) process.exit( 1 )
 if ( argc == 3 ) times = Number( process.argv[2] )
 
-function instant() {
-     return new Promise(function(rs) {
-         setImmediate(rs);
-     });
+var p = new Promise(
+    function( rs ) {
+                resolve = rs;
+    }
+);
+
+for ( var i = 0; i < times; i += 1 ) {
+    p = p.then(
+                () => { return }
+    );
 }
 
-async function l() {
-    var hrstart = process.hrtime()
-    for ( var i = 0; i < times; i += 1 )
-         await instant();
-        hrend = process.hrtime( hrstart )
-        var dur = (1000000000 * hrend[0] + hrend[1]) / times
-        console.log( dur )
-}
+p = p.then(
+    () => {
+                hrend = process.hrtime( hrstart )
+                var dur = (1000000000 * hrend[0] + hrend[1]) / times
+                console.log( dur )
+    }
+);
 
-l();
+var hrstart = process.hrtime()
+resolve();
 
 // Local Variables: //