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: #5123
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: James M Snell <jasnell@gmail.com>

benchmark/path/basename-posix.js

@@ -0,0 +1,43 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  pathext: [
+    '',
+    '/',
+    '/foo',
+    '/foo/.bar.baz',
+    ['/foo/.bar.baz', '.baz'].join('|'),
+    'foo',
+    'foo/bar.',
+    ['foo/bar.', '.'].join('|'),
+    '/foo/bar/baz/asdf/quux.html',
+    ['/foo/bar/baz/asdf/quux.html', '.html'].join('|')
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.posix;
+  var input = '' + conf.pathext;
+  var ext;
+  var extIdx = input.indexOf('|');
+  if (extIdx !== -1) {
+    ext = input.slice(extIdx + 1);
+    input = input.slice(0, extIdx);
+  }
+
+  // Force optimization before starting the benchmark
+  p.basename(input, ext);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.basename)');
+  p.basename(input, ext);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.basename(input, ext);
+  }
+  bench.end(n);
+}

benchmark/path/basename-win32.js

@@ -0,0 +1,43 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  pathext: [
+    '',
+    'C:\\',
+    'C:\\foo',
+    'D:\\foo\\.bar.baz',
+    ['E:\\foo\\.bar.baz','.baz'].join('|'),
+    'foo',
+    'foo\\bar.',
+    ['foo\\bar.', '.'].join('|'),
+    '\\foo\\bar\\baz\\asdf\\quux.html',
+    ['\\foo\\bar\\baz\\asdf\\quux.html', '.html'].join('|')
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.win32;
+  var input = '' + conf.pathext;
+  var ext;
+  var extIdx = input.indexOf('|');
+  if (extIdx !== -1) {
+    ext = input.slice(extIdx + 1);
+    input = input.slice(0, extIdx);
+  }
+
+  // Force optimization before starting the benchmark
+  p.basename(input, ext);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.basename)');
+  p.basename(input, ext);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.basename(input, ext);
+  }
+  bench.end(n);
+}

benchmark/path/dirname.js → benchmark/path/dirname-posix.js

@@ -3,23 +3,32 @@ var path = require('path');
 var v8 = require('v8');
 
 var bench = common.createBenchmark(main, {
-  type: ['win32', 'posix'],
-  n: [1e6],
+  path: [
+    '',
+    '/',
+    '/foo',
+    '/foo/bar',
+    'foo',
+    'foo/bar',
+    '/foo/bar/baz/asdf/quux'
+  ],
+  n: [1e6]
 });
 
 function main(conf) {
   var n = +conf.n;
-  var p = path[conf.type];
+  var p = path.posix;
+  var input = '' + conf.path;
 
   // Force optimization before starting the benchmark
-  p.dirname('/foo/bar/baz/asdf/quux');
+  p.dirname(input);
   v8.setFlagsFromString('--allow_natives_syntax');
   eval('%OptimizeFunctionOnNextCall(p.dirname)');
-  p.dirname('/foo/bar/baz/asdf/quux');
+  p.dirname(input);
 
   bench.start();
   for (var i = 0; i < n; i++) {
-    p.dirname('/foo/bar/baz/asdf/quux');
+    p.dirname(input);
   }
   bench.end(n);
 }

benchmark/path/dirname-win32.js

@@ -0,0 +1,34 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  path: [
+    '',
+    '\\',
+    '\\foo',
+    'C:\\foo\\bar',
+    'foo',
+    'foo\\bar',
+    'D:\\foo\\bar\\baz\\asdf\\quux'
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.win32;
+  var input = '' + conf.path;
+
+  // Force optimization before starting the benchmark
+  p.dirname(input);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.dirname)');
+  p.dirname(input);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.dirname(input);
+  }
+  bench.end(n);
+}

benchmark/path/extname-posix.js

@@ -0,0 +1,37 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  path: [
+    '',
+    '/',
+    '/foo',
+    'foo/.bar.baz',
+    'index.html',
+    'index',
+    'foo/bar/..baz.quux',
+    'foo/bar/...baz.quux',
+    '/foo/bar/baz/asdf/quux',
+    '/foo/bar/baz/asdf/quux.foobarbazasdfquux'
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.posix;
+  var input = '' + conf.path;
+
+  // Force optimization before starting the benchmark
+  p.extname(input);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.extname)');
+  p.extname(input);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.extname(input);
+  }
+  bench.end(n);
+}

benchmark/path/extname-win32.js

@@ -0,0 +1,37 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  path: [
+    '',
+    '\\',
+    'C:\\foo',
+    'foo\\.bar.baz',
+    'index.html',
+    'index',
+    'foo\\bar\\..baz.quux',
+    'foo\\bar\\...baz.quux',
+    'D:\\foo\\bar\\baz\\asdf\\quux',
+    '\\foo\\bar\\baz\\asdf\\quux.foobarbazasdfquux'
+  ],
+  n: [1e6]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.win32;
+  var input = '' + conf.path;
+
+  // Force optimization before starting the benchmark
+  p.extname(input);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.extname)');
+  p.extname(input);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.extname(input);
+  }
+  bench.end(n);
+}

benchmark/path/format.js → benchmark/path/format-posix.js

@@ -3,36 +3,33 @@ var path = require('path');
 var v8 = require('v8');
 
 var bench = common.createBenchmark(main, {
-  type: ['win32', 'posix'],
-  n: [1e7],
+  props: [
+    ['/', '/home/user/dir', 'index.html', '.html', 'index'].join('|')
+  ],
+  n: [1e7]
 });
 
 function main(conf) {
   var n = +conf.n;
-  var p = path[conf.type];
-  var test = conf.type === 'win32' ? {
-    root: 'C:\\',
-    dir: 'C:\\path\\dir',
-    base: 'index.html',
-    ext: '.html',
-    name: 'index'
-  } : {
-    root : '/',
-    dir : '/home/user/dir',
-    base : 'index.html',
-    ext : '.html',
-    name : 'index'
+  var p = path.posix;
+  var props = ('' + conf.props).split('|');
+  var obj = {
+    root: props[0] || '',
+    dir: props[1] || '',
+    base: props[2] || '',
+    ext: props[3] || '',
+    name: props[4] || '',
   };
 
   // Force optimization before starting the benchmark
-  p.format(test);
+  p.format(obj);
   v8.setFlagsFromString('--allow_natives_syntax');
   eval('%OptimizeFunctionOnNextCall(p.format)');
-  p.format(test);
+  p.format(obj);
 
   bench.start();
   for (var i = 0; i < n; i++) {
-    p.format(test);
+    p.format(obj);
   }
   bench.end(n);
 }

benchmark/path/format-win32.js

@@ -0,0 +1,35 @@
+var common = require('../common.js');
+var path = require('path');
+var v8 = require('v8');
+
+var bench = common.createBenchmark(main, {
+  props: [
+    ['C:\\', 'C:\\path\\dir', 'index.html', '.html', 'index'].join('|')
+  ],
+  n: [1e7]
+});
+
+function main(conf) {
+  var n = +conf.n;
+  var p = path.win32;
+  var props = ('' + conf.props).split('|');
+  var obj = {
+    root: props[0] || '',
+    dir: props[1] || '',
+    base: props[2] || '',
+    ext: props[3] || '',
+    name: props[4] || '',
+  };
+
+  // Force optimization before starting the benchmark
+  p.format(obj);
+  v8.setFlagsFromString('--allow_natives_syntax');
+  eval('%OptimizeFunctionOnNextCall(p.format)');
+  p.format(obj);
+
+  bench.start();
+  for (var i = 0; i < n; i++) {
+    p.format(obj);
+  }
+  bench.end(n);
+}

benchmark/path/extname.js → benchmark/path/isAbsolute-posix.js

@@ -3,24 +3,30 @@ var path = require('path');
 var v8 = require('v8');
 
 var bench = common.createBenchmark(main, {
-  type: ['win32', 'posix'],
-  n: [1e6],
+  path: [
+    '',
+    '.',
+    '/foo/bar',
+    '/baz/..',
+    'bar/baz'
+  ],
+  n: [1e6]
 });
 
 function main(conf) {
   var n = +conf.n;
-  var p = path[conf.type];
+  var p = path.posix;
+  var input = '' + conf.path;
 
   // Force optimization before starting the benchmark
-  p.extname('index.html');
+  p.isAbsolute(input);
   v8.setFlagsFromString('--allow_natives_syntax');
-  eval('%OptimizeFunctionOnNextCall(p.extname)');
-  p.extname('index.html');
+  eval('%OptimizeFunctionOnNextCall(p.isAbsolute)');
+  p.isAbsolute(input);
 
   bench.start();
   for (var i = 0; i < n; i++) {
-    p.extname('index.html');
-    p.extname('index');
+    p.isAbsolute(input);
   }
   bench.end(n);
 }