benchmark: split path benchmarks

This commit splits each path benchmark into separate posix and
Windows benchmark files. This allows benchmarking (platform-)specific
inputs against specific platforms (only).

PR-URL: https://github.com/nodejs/node/pull/5123
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/benchmark/path/join-posix.js b/benchmark/path/join-posix.js
new file mode 100644
index 0000000000..4b8bb924a2
--- /dev/null
+++ b/benchmark/path/join-posix.js
@@ -0,0 +1,28 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  paths: [
+    ['/foo', 'bar', '', 'baz/asdf', 'quux', '..'].join('|')
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.posix;
+  var args = ('' + conf.paths).split('|');
+
+  // Force optimization before starting the benchmark
+  p.join.apply(null, args);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.join)');
+  p.join.apply(null, args);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.join.apply(null, args);
+  }
+  bench.end(n);
+}