--- libmalloc/libmalloc-374.40.6/tests/MallocBenchTest/MALLOC_BENCH/MallocBench/stress.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#include "Benchmark.h"
-#include "CPUCount.h"
-#include "stress.h"
-#include <array>
-#include <cassert>
-#include <chrono>
-#include <cstdlib>
-#include <memory>
-#include <stddef.h>
-#include <vector>
-
-#include "mbmalloc.h"
-
-static const size_t kB = 1024;
-static const size_t MB = kB * kB;
-
-struct Object {
-    Object(void* pointer, size_t size, long uuid)
-        : pointer(pointer)
-        , size(size)
-        , uuid(uuid)
-    {
-    }
-
-    void* pointer;
-    size_t size;
-    long uuid;
-};
-
-class SizeStream {
-public:
-    SizeStream()
-        : m_state(Small)
-        , m_count(0)
-    {
-    }
-
-    size_t next()
-    {
-        switch (m_state) {
-        case Small: {
-            if (++m_count == smallCount) {
-                m_state = Medium;
-                m_count = 0;
-            }
-            return random() % smallMax;
-        }
-                
-        case Medium: {
-            if (++m_count == mediumCount) {
-                m_state = Large;
-                m_count = 0;
-            }
-            return random() % mediumMax;
-        }
-                
-        case Large: {
-            if (++m_count == largeCount) {
-                m_state = Small;
-                m_count = 0;
-            }
-            return random() % largeMax;
-        }
-        }
-        assert(0);
-        return 0;
-    }
-
-private:
-    static const size_t smallCount = 1000;
-    static const size_t smallMax = 16 * kB;
-
-    static const size_t mediumCount = 100;
-    static const size_t mediumMax = 512 * kB;
-    
-    static const size_t largeCount = 10;
-    static const size_t largeMax = 4 * MB;
-
-    enum { Small, Medium, Large } m_state;
-    size_t m_count;
-};
-
-Object allocate(size_t size)
-{
-    Object object(mbmalloc(size), size, random());
-    for (size_t i = 0; i < size / sizeof(long); ++i)
-        (static_cast<long*>(object.pointer))[i] = object.uuid;
-    return object;
-}
-
-void deallocate(const Object& object)
-{
-    for (size_t i = 0; i < object.size / sizeof(long); ++i) {
-        if ((static_cast<long*>(object.pointer))[i] != object.uuid)
-            abort();
-    }
-
-    mbfree(object.pointer, object.size);
-}
-
-void benchmark_stress(CommandLine&)
-{
-    const size_t heapSize = 100 * MB;
-    const size_t churnSize = .05 * heapSize;
-    const size_t churnCount = 100;
-    
-    srandom(1); // For consistency between runs.
-
-    std::vector<Object> objects;
-    
-    SizeStream sizeStream;
-    
-    size_t size = 0;
-    for (size_t remaining = heapSize; remaining; remaining -= std::min(remaining, size)) {
-        size = sizeStream.next();
-        objects.push_back(allocate(size));
-    }
-    
-    for (size_t i = 0; i < churnCount; ++i) {
-        std::vector<Object> objectsToFree;
-        for (size_t remaining = churnSize; remaining; remaining -= std::min(remaining, size)) {
-            size = sizeStream.next();
-            Object object = allocate(size);
-
-            size_t index = random() % objects.size();
-            objectsToFree.push_back(objects[index]);
-            objects[index] = object;
-        }
-
-        for (auto& object : objectsToFree)
-            deallocate(object);
-        
-        mbscavenge();
-    }
-    
-    for (auto& object : objects)
-        mbfree(object.pointer, object.size);
-}