benchmark: add benchmark for vm.createContext

joyeecheung · targos · commit dcdb96c7bb92 · 2019-11-08T13:33:23.000+01:00
PR-URL: #29845 Refs: #29842 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
diff --git a/benchmark/vm/create-context.js b/benchmark/vm/create-context.js
@@ -0,0 +1,24 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+ n: [100]
+});
+
+const vm = require('vm');
+
+const ctxFn = new vm.Script(`
+ var b = Math.random();
+ var c = a + b;
+`);
+
+function main({ n }) {
+ bench.start();
+ let context;
+ for (let i = 0; i < n; i++) {
+ context = vm.createContext({ a: 'a' });
+ }
+ bench.end(n);
+ ctxFn.runInContext(context);
+}

-Original file line number
+Diff line change
@@ @@ -0,0 +1,24 @@ @@
 +'use strict';
++
 +constcommon=require('../common.js');
++
 +constbench=common.createBenchmark(main,{
 +n: [100]
 +});
++
 +constvm=require('vm');
++
 +constctxFn=newvm.Script(`
 + var b = Math.random();
 + var c = a + b;
 +`);
++
 +functionmain({ n }){
 +bench.start();
 +letcontext;
 +for(leti=0;i<n;i++){
 +context=vm.createContext({a: 'a'});
 +}
 +bench.end(n);
 +ctxFn.runInContext(context);
 +}