mraleph

//
// This is a reproduction for the race between forking and libnotify
// intialization.
//
// # check that there are no core dumps
// $ ls /cores
// # set core limit
// $ ulimit -c unlimited
// # build the test file
// $ clang++ -o test test.cc

mraleph

//var mode = arguments[0]
var mode = "foo";

function es6(a, b, c) {
  return Math.max(...[a, b, c]);
}

function es5(a, b, c) {
  return Math.max.apply(null, [a, b, c]);

mraleph

var mode = arguments[0]
//var mode = "es5";

function es6(a, b, c) {
  return Math.max(...[a, b, c]);
}

function es5(a, b, c) {
  return Math.max.apply(null, [a, b, c]);

mraleph

--- /Users/vegorov/Desktop/main.dart.txt	2016-11-26 20:51:13.000000000 +0100
+++ bin/bench.dart	2016-11-26 20:51:31.000000000 +0100
@@ -11,36 +11,40 @@
 final exerciseDepth = 5;
 final resultDepth = 6;
 
-createNode(id, depth) {
-  return {
-    'id': id,
-    'depth': depth,

mraleph

diff --git a/lib/less.dart b/lib/less.dart
index 14996ef..d947709 100644
--- a/lib/less.dart
+++ b/lib/less.dart
@@ -127,7 +127,9 @@ class Less {
 
   Future parseLessFile(String data){
     Parser parser = new Parser(_options);
+    final stopwatch = new Stopwatch()..start();
     return parser.parse(data).then((Ruleset tree){

mraleph

commit 4ff0340157287ca9082bca8d70e5958d96ccfd59
Author: Vyacheslav Egorov <[email protected]>
Date:   Mon Aug 15 12:11:24 2016 +0200

    Use library snapshot on Android instead of blobs

diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 04d4bd9..735a808 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn

mraleph

// d8 --allow-natives-syntax --trace-opt --trace-deopt test.js

var o = { x: 0, y: 0 };
print(%HasFastProperties(o));  // => true
Object.setPrototypeOf(o, { random: 'stuff', stuff: function() { } });
print(%HasFastProperties(o));  // => true

function foo (o) {
  return o.x;
}

mraleph

function A() { }

A.prototype.foo = function () { };

function opt(obj) {
  for (var i = 0; i < 1000000; i++) obj.foo();
}

opt(new A);

mraleph

(function () {
  var now = typeof performance !== 'undefined' ? performance.now.bind(performance) : Date.now;

  function Accessor() {
    var obj = { }
    obj.x = 0;
    delete obj.x;
  
    var _a = 0;
    Object.defineProperty(obj, 'a', {

mraleph

Object.keys({a:1}) ----------------------
DebugPrint: 0x4c012f99: [JSObject]
 - map = 0x5f30a2e1 [FAST_HOLEY_ELEMENTS]
 - prototype = 0x24976009
 {
   #length: 0x24962489 <ExecutableAccessorInfo> (accessor constant)
   0: 0x2492fdb1 <String[1]: a>
 }

0x5f30a2e1: [Map]