Let's benchmark malloc

Let's benchmark malloc
https://bugs.webkit.org/show_bug.cgi?id=131118

Reviewed by Mark Hahnenberg.

I want to replace fastMalloc with something faster (fasterMalloc?).
I wrote these benchmarks to test / drive development.

* MallocBench: Added.
* MallocBench/MallocBench: Added.
* MallocBench/MallocBench.xcodeproj: Added.
* MallocBench/MallocBench.xcodeproj/project.pbxproj: Added.
* MallocBench/MallocBench/Benchmark.cpp: Added.
(allocateHeap):
(deallocateHeap):
(Benchmark::Benchmark):
(Benchmark::printBenchmarks):
(Benchmark::runOnce):
(Benchmark::run):
(Benchmark::printReport):
(Benchmark::currentTimeMS):
(Benchmark::currentMemoryBytes):
* MallocBench/MallocBench/Benchmark.h: Added.
(Benchmark::Memory::Memory):
(Benchmark::Memory::operator-):
(Benchmark::isValid):
* MallocBench/MallocBench/CPUCount.cpp: Added.
(cpuCount):
* MallocBench/MallocBench/CPUCount.h: Added.
* MallocBench/MallocBench/CommandLine.cpp: Added.
(CommandLine::printUsage):
* MallocBench/MallocBench/CommandLine.h: Added.
(CommandLine::isValid):
(CommandLine::benchmarkName):
(CommandLine::isParallel):
(CommandLine::heapSize):
(CommandLine::measureHeap):
* MallocBench/MallocBench/Interpreter.cpp: Added.
(Interpreter::Interpreter):
(Interpreter::~Interpreter):
(Interpreter::run):
* MallocBench/MallocBench/Interpreter.h: Added.
* MallocBench/MallocBench/balloon.cpp: Added.
(benchmark_balloon):
* MallocBench/MallocBench/balloon.h: Added.
* MallocBench/MallocBench/big.cpp: Added.
(benchmark_big):
* MallocBench/MallocBench/big.h: Added.
* MallocBench/MallocBench/churn.cpp: Added.
(HeapDouble::operator new):
(HeapDouble::operator delete):
(HeapDouble::HeapDouble):
(HeapDouble::operator+=):
(benchmark_churn):
* MallocBench/MallocBench/churn.h: Added.
* MallocBench/MallocBench/crash.ops: Added.
* MallocBench/MallocBench/facebook.cpp: Added.
(benchmark_facebook):
* MallocBench/MallocBench/facebook.h: Added.
* MallocBench/MallocBench/facebook.ops: Added.
* MallocBench/MallocBench/fragment.cpp: Added.
(validate):
(benchmark_fragment):
(benchmark_fragment_iterate):
* MallocBench/MallocBench/fragment.h: Added.
* MallocBench/MallocBench/list.cpp: Added.
(benchmark_list_allocate):
(benchmark_list_traverse):
* MallocBench/MallocBench/list.h: Added.
* MallocBench/MallocBench/main.cpp: Added.
(main):
* MallocBench/MallocBench/mbmalloc.cpp: Added.
* MallocBench/MallocBench/mbmalloc.h: Added.
* MallocBench/MallocBench/medium.cpp: Added.
(benchmark_medium):
* MallocBench/MallocBench/medium.h: Added.
* MallocBench/MallocBench/message.cpp: Added.
(benchmark_message_one):
(benchmark_message_many):
* MallocBench/MallocBench/message.h: Added.
* MallocBench/MallocBench/realloc.cpp: Added.
(benchmark_realloc):
* MallocBench/MallocBench/realloc.h: Added.
* MallocBench/MallocBench/tree.cpp: Added.
(benchmark_tree_allocate):
(benchmark_tree_traverse):
(benchmark_tree_churn):
* MallocBench/MallocBench/tree.h: Added.
* MallocBench/run-malloc-benchmarks: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@166667 268f45cc-cd09-0410-ab3c-d52691b4dbfc