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-rw-r--r--benchmark/source/BenchmarkVector.cpp452
1 files changed, 0 insertions, 452 deletions
diff --git a/benchmark/source/BenchmarkVector.cpp b/benchmark/source/BenchmarkVector.cpp
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--- a/benchmark/source/BenchmarkVector.cpp
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-/////////////////////////////////////////////////////////////////////////////
-// Copyright (c) Electronic Arts Inc. All rights reserved.
-/////////////////////////////////////////////////////////////////////////////
-
-
-#include "EASTLBenchmark.h"
-#include "EASTLTest.h"
-#include <EAStdC/EAStopwatch.h>
-#include <EASTL/algorithm.h>
-#include <EASTL/vector.h>
-#include <EASTL/sort.h>
-
-#ifdef _MSC_VER
- #pragma warning(push, 0)
- #pragma warning(disable: 4350)
-#endif
-#include <algorithm>
-#include <vector>
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef _MSC_VER
- #pragma warning(pop)
-#endif
-
-
-using namespace EA;
-
-
-typedef std::vector<uint64_t> StdVectorUint64;
-typedef eastl::vector<uint64_t> EaVectorUint64;
-
-
-namespace
-{
-
-
- //////////////////////////////////////////////////////////////////////////////
- // MovableType
- //
- struct MovableType
- {
- int8_t* mpData;
- enum { kDataSize = 128 };
-
- MovableType() : mpData(new int8_t[kDataSize])
- { memset(mpData, 0, kDataSize); }
-
- MovableType(const MovableType& x) : mpData(new int8_t[kDataSize])
- { memcpy(mpData, x.mpData, kDataSize); }
-
- MovableType& operator=(const MovableType& x)
- {
- if(!mpData)
- mpData = new int8_t[kDataSize];
- memcpy(mpData, x.mpData, kDataSize);
- return *this;
- }
-
- MovableType(MovableType&& x) EA_NOEXCEPT : mpData(x.mpData)
- { x.mpData = NULL; }
-
- MovableType& operator=(MovableType&& x)
- {
- eastl::swap(mpData, x.mpData); // In practice it may not be right to do a swap, depending on the case.
- return *this;
- }
-
- ~MovableType()
- { delete[] mpData; }
- };
-
-
- //////////////////////////////////////////////////////////////////////////////
- // AutoRefCount
- //
- // Basic ref-counted object.
- //
- template <typename T>
- class AutoRefCount
- {
- public:
- T* mpObject;
-
- public:
- AutoRefCount() EA_NOEXCEPT : mpObject(NULL)
- {}
-
- AutoRefCount(T* pObject) EA_NOEXCEPT : mpObject(pObject)
- {
- if(mpObject)
- mpObject->AddRef();
- }
-
- AutoRefCount(T* pObject, int) EA_NOEXCEPT : mpObject(pObject)
- {
- // Inherit the existing refcount.
- }
-
- AutoRefCount(const AutoRefCount& x) EA_NOEXCEPT : mpObject(x.mpObject)
- {
- if(mpObject)
- mpObject->AddRef();
- }
-
- AutoRefCount& operator=(const AutoRefCount& x)
- {
- return operator=(x.mpObject);
- }
-
- AutoRefCount& operator=(T* pObject)
- {
- if(pObject != mpObject)
- {
- T* const pTemp = mpObject; // Create temporary to prevent possible problems with re-entrancy.
- if(pObject)
- pObject->AddRef();
- mpObject = pObject;
- if(pTemp)
- pTemp->Release();
- }
- return *this;
- }
-
- AutoRefCount(AutoRefCount&& x) EA_NOEXCEPT : mpObject(x.mpObject)
- {
- x.mpObject = NULL;
- }
-
- AutoRefCount& operator=(AutoRefCount&& x)
- {
- if(mpObject)
- mpObject->Release();
- mpObject = x.mpObject;
- x.mpObject = NULL;
- return *this;
- }
-
- ~AutoRefCount()
- {
- if(mpObject)
- mpObject->Release();
- }
-
- T& operator *() const EA_NOEXCEPT
- { return *mpObject; }
-
- T* operator ->() const EA_NOEXCEPT
- { return mpObject; }
-
- operator T*() const EA_NOEXCEPT
- { return mpObject; }
-
- }; // class AutoRefCount
-
-
- struct RefCounted
- {
- int mRefCount;
- static int msAddRefCount;
- static int msReleaseCount;
-
- RefCounted() : mRefCount(1) {}
-
- int AddRef()
- { ++msAddRefCount; return ++mRefCount; }
-
- int Release()
- {
- ++msReleaseCount;
- if(mRefCount > 1)
- return --mRefCount;
- delete this;
- return 0;
- }
- };
-
- int RefCounted::msAddRefCount = 0;
- int RefCounted::msReleaseCount = 0;
-
-} // namespace
-
-
-namespace
-{
- template <typename Container>
- void TestPushBack(EA::StdC::Stopwatch& stopwatch, Container& c, eastl::vector<uint32_t>& intVector)
- {
- stopwatch.Restart();
- for(eastl_size_t j = 0, jEnd = intVector.size(); j < jEnd; j++)
- c.push_back((uint64_t)intVector[j]);
- stopwatch.Stop();
- }
-
-
- template <typename Container>
- void TestBracket(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- uint64_t temp = 0;
- stopwatch.Restart();
- for(typename Container::size_type j = 0, jEnd = c.size(); j < jEnd; j++)
- temp += c[j];
- stopwatch.Stop();
- sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)(temp & 0xffffffff));
- }
-
-
- template <typename Container>
- void TestFind(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- stopwatch.Restart();
- typedef typename Container::iterator iterator_t; // This typedef is required to get this code to compile on RVCT
- iterator_t it = eastl::find(c.begin(), c.end(), UINT64_C(0xffffffffffff));
- stopwatch.Stop();
- if(it != c.end())
- sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)*it);
- }
-
-
- template <typename Container>
- void TestSort(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- // Intentionally use eastl sort in order to measure just
- // vector access speed and not be polluted by sort speed.
- stopwatch.Restart();
- eastl::quick_sort(c.begin(), c.end());
- stopwatch.Stop();
- sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)(c[0] & 0xffffffff));
- }
-
-
- template <typename Container>
- void TestInsert(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- typename Container::size_type j, jEnd;
- typename Container::iterator it;
-
- stopwatch.Restart();
- for(j = 0, jEnd = 100, it = c.begin(); j < jEnd; ++j)
- {
- it = c.insert(it, UINT64_C(0xffffffffffff));
-
- if(it == c.end()) // Try to safely increment the iterator three times.
- it = c.begin();
- if(++it == c.end())
- it = c.begin();
- if(++it == c.end())
- it = c.begin();
- }
- stopwatch.Stop();
- }
-
-
- template <typename Container>
- void TestErase(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- typename Container::size_type j, jEnd;
- typename Container::iterator it;
-
- stopwatch.Restart();
- for(j = 0, jEnd = 100, it = c.begin(); j < jEnd; ++j)
- {
- it = c.erase(it);
-
- if(it == c.end()) // Try to safely increment the iterator three times.
- it = c.begin();
- if(++it == c.end())
- it = c.begin();
- if(++it == c.end())
- it = c.begin();
- }
- stopwatch.Stop();
- }
-
-
- template <typename Container>
- void TestMoveReallocate(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- stopwatch.Restart();
- while(c.size() < 8192)
- c.resize(c.capacity() + 1);
- stopwatch.Stop();
- }
-
-
- template <typename Container>
- void TestMoveErase(EA::StdC::Stopwatch& stopwatch, Container& c)
- {
- stopwatch.Restart();
- while(!c.empty())
- c.erase(c.begin());
- stopwatch.Stop();
- }
-
-
-} // namespace
-
-
-
-
-
-void BenchmarkVector()
-{
- EASTLTest_Printf("Vector\n");
-
- EA::UnitTest::RandGenT<uint32_t> rng(EA::UnitTest::GetRandSeed());
- EA::StdC::Stopwatch stopwatch1(EA::StdC::Stopwatch::kUnitsCPUCycles);
- EA::StdC::Stopwatch stopwatch2(EA::StdC::Stopwatch::kUnitsCPUCycles);
-
- {
- eastl::vector<uint32_t> intVector(100000);
- eastl::generate(intVector.begin(), intVector.end(), rng);
-
- for(int i = 0; i < 2; i++)
- {
- StdVectorUint64 stdVectorUint64;
- EaVectorUint64 eaVectorUint64;
-
-
- ///////////////////////////////
- // Test push_back
- ///////////////////////////////
-
- TestPushBack(stopwatch1, stdVectorUint64, intVector);
- TestPushBack(stopwatch2, eaVectorUint64, intVector);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/push_back", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////
- // Test operator[].
- ///////////////////////////////
-
- TestBracket(stopwatch1, stdVectorUint64);
- TestBracket(stopwatch2, eaVectorUint64);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/operator[]", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////
- // Test iteration via find().
- ///////////////////////////////
-
- TestFind(stopwatch1, stdVectorUint64);
- TestFind(stopwatch2, eaVectorUint64);
- TestFind(stopwatch1, stdVectorUint64);
- TestFind(stopwatch2, eaVectorUint64);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/iteration", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////
- // Test sort
- ///////////////////////////////
-
- // Currently VC++ complains about our sort function decrementing std::iterator that is already at begin(). In the strictest sense,
- // that's a valid complaint, but we aren't testing std STL here. We will want to revise our sort function eventually.
- #if !defined(_MSC_VER) || !defined(_ITERATOR_DEBUG_LEVEL) || (_ITERATOR_DEBUG_LEVEL < 2)
- TestSort(stopwatch1, stdVectorUint64);
- TestSort(stopwatch2, eaVectorUint64);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/sort", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
- #endif
-
- ///////////////////////////////
- // Test insert
- ///////////////////////////////
-
- TestInsert(stopwatch1, stdVectorUint64);
- TestInsert(stopwatch2, eaVectorUint64);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/insert", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////
- // Test erase
- ///////////////////////////////
-
- TestErase(stopwatch1, stdVectorUint64);
- TestErase(stopwatch2, eaVectorUint64);
-
- if(i == 1)
- Benchmark::AddResult("vector<uint64>/erase", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////////////////
- // Test move of MovableType
- // Should be much faster with C++11 move.
- ///////////////////////////////////////////
-
- std::vector<MovableType> stdVectorMovableType;
- eastl::vector<MovableType> eaVectorMovableType;
-
- TestMoveReallocate(stopwatch1, stdVectorMovableType);
- TestMoveReallocate(stopwatch2, eaVectorMovableType);
-
- if(i == 1)
- Benchmark::AddResult("vector<MovableType>/reallocate", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- TestMoveErase(stopwatch1, stdVectorMovableType);
- TestMoveErase(stopwatch2, eaVectorMovableType);
-
- if(i == 1)
- Benchmark::AddResult("vector<MovableType>/erase", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
-
-
- ///////////////////////////////////////////
- // Test move of AutoRefCount
- // Should be much faster with C++11 move.
- ///////////////////////////////////////////
-
- std::vector<AutoRefCount<RefCounted> > stdVectorAutoRefCount;
- eastl::vector<AutoRefCount<RefCounted> > eaVectorAutoRefCount;
-
- for(size_t a = 0; a < 2048; a++)
- {
- stdVectorAutoRefCount.push_back(AutoRefCount<RefCounted>(new RefCounted));
- eaVectorAutoRefCount.push_back(AutoRefCount<RefCounted>(new RefCounted));
- }
-
- RefCounted::msAddRefCount = 0;
- RefCounted::msReleaseCount = 0;
- TestMoveErase(stopwatch1, stdVectorAutoRefCount);
- EASTLTest_Printf("vector<AutoRefCount>/erase std counts: %d %d\n", RefCounted::msAddRefCount, RefCounted::msReleaseCount);
-
- RefCounted::msAddRefCount = 0;
- RefCounted::msReleaseCount = 0;
- TestMoveErase(stopwatch2, eaVectorAutoRefCount);
- EASTLTest_Printf("vector<AutoRefCount>/erase EA counts: %d %d\n", RefCounted::msAddRefCount, RefCounted::msReleaseCount);
-
- if(i == 1)
- Benchmark::AddResult("vector<AutoRefCount>/erase", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
- }
- }
-}
-
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