Changeset 8633485b for benchmark/ctxswitch

Timestamp:

Jan 25, 2020, 9:34:54 AM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

6f302cd

Parents:

052dfc3

Message:

update Nodejs experiment for concurrency paper

File:

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

benchmark/ctxswitch/node_await.js

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