querystring: improve parse() performance

These changes improve parse() performance from ~11-30% on all of
the existing querystring benchmarks.

PR-URL: https://github.com/nodejs/node/pull/4675
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/benchmark/querystring/querystring-parse.js b/benchmark/querystring/querystring-parse.js
index 3d88bed07d..6a4d9f5e61 100644
--- a/benchmark/querystring/querystring-parse.js
+++ b/benchmark/querystring/querystring-parse.js
@@ -3,7 +3,7 @@ var querystring = require('querystring');
 var v8 = require('v8');
 
 var bench = common.createBenchmark(main, {
-  type: ['noencode', 'encodemany', 'encodelast'],
+  type: ['noencode', 'encodemany', 'encodelast', 'multivalue'],
   n: [1e6],
 });
 
@@ -14,7 +14,8 @@ function main(conf) {
   var inputs = {
     noencode: 'foo=bar&baz=quux&xyzzy=thud',
     encodemany: '%66%6F%6F=bar&%62%61%7A=quux&xyzzy=%74h%75d',
-    encodelast: 'foo=bar&baz=quux&xyzzy=thu%64'
+    encodelast: 'foo=bar&baz=quux&xyzzy=thu%64',
+    multivalue: 'foo=bar&foo=baz&foo=quux&quuy=quuz'
   };
   var input = inputs[type];