buffer: fix dataview-set benchmark

Improves numbers up to 4x by avoiding repetitive dynamic method lookup. PR-URL: #6922 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Trevor Norris <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Brian White <[email protected]>
nodejs · Jul 14, 2016 · 7dbb0d0 · 7dbb0d0
1 parent 20d3378
commit 7dbb0d0
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/benchmark/buffers/dataview-set.js b/benchmark/buffers/dataview-set.js
@@ -40,18 +40,20 @@ function main(conf) {
 }
 
 function benchInt(dv, fn, len, le) {
-  var m = mod[fn];
+  const m = mod[fn];
+  const method = dv[fn];
   bench.start();
   for (var i = 0; i < len; i++) {
-    dv[fn](0, i % m, le);
+    method.call(dv, 0, i % m, le);
   }
   bench.end(len / 1e6);
 }
 
 function benchFloat(dv, fn, len, le) {
+  const method = dv[fn];
   bench.start();
   for (var i = 0; i < len; i++) {
-    dv[fn](0, i * 0.1, le);
+    method.call(dv, 0, i * 0.1, le);
   }
   bench.end(len / 1e6);
 }