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diff --git a/EASTL/benchmark/source/BenchmarkSort.cpp b/EASTL/benchmark/source/BenchmarkSort.cpp
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+/////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+/////////////////////////////////////////////////////////////////////////////
+
+
+#include <EASTL/bonus/sort_extra.h>
+#include <EASTL/sort.h>
+#include <EASTL/vector.h>
+#include <EAStdC/EAStopwatch.h>
+#include "EASTLBenchmark.h"
+#include "EASTLTest.h"
+
+EA_DISABLE_ALL_VC_WARNINGS()
+#include <stdlib.h>
+#include <algorithm>
+#include <functional>
+#include <vector>
+EA_RESTORE_ALL_VC_WARNINGS()
+
+
+using namespace EA;
+
+
+namespace
+{
+ struct ValuePair
+ {
+ uint32_t key;
+ uint32_t v;
+ };
+
+ struct VPCompare
+ {
+ bool operator()(const ValuePair& vp1, const ValuePair& vp2) const
+ {
+ // return *(const uint64_t*)&vp1 < *(const uint64_t*)&vp2;
+ return (vp1.key == vp2.key) ? (vp1.v < vp2.v) : (vp1.key < vp2.key);
+ }
+ };
+
+ bool operator<(const ValuePair& vp1, const ValuePair& vp2)
+ {
+ // return *(const uint64_t*)&vp1 < *(const uint64_t*)&vp2;
+ return (vp1.key == vp2.key) ? (vp1.v < vp2.v) : (vp1.key < vp2.key);
+ }
+
+ bool operator==(const ValuePair& vp1, const ValuePair& vp2)
+ {
+ // return *(const uint64_t*)&vp1 == *(const uint64_t*)&vp2;
+ return (vp1.key == vp2.key) && (vp1.v == vp2.v);
+ }
+}
+
+// VPCompareC
+// Useful for testing the the C qsort function.
+int VPCompareC(const void* elem1, const void* elem2)
+{
+ return (int)(*(const uint64_t*)elem1 - *(const uint64_t*)elem2);
+}
+
+
+typedef std::vector<ValuePair> StdVectorVP;
+typedef eastl::vector<ValuePair> EaVectorVP;
+
+typedef std::vector<uint32_t> StdVectorInt;
+typedef eastl::vector<uint32_t> EaVectorInt;
+
+typedef std::vector<TestObject> StdVectorTO;
+typedef eastl::vector<TestObject> EaVectorTO;
+
+
+namespace
+{
+ #ifndef EA_PREFIX_NO_INLINE
+ #ifdef _MSC_VER
+ #define EA_PREFIX_NO_INLINE EA_NO_INLINE
+ #define EA_POSTFIX_NO_INLINE
+ #else
+ #define EA_PREFIX_NO_INLINE
+ #define EA_POSTFIX_NO_INLINE EA_NO_INLINE
+ #endif
+ #endif
+
+ EA_PREFIX_NO_INLINE void TestQuickSortStdVP (EA::StdC::Stopwatch& stopwatch, StdVectorVP& stdVectorVP) EA_POSTFIX_NO_INLINE;
+ EA_PREFIX_NO_INLINE void TestQuickSortEaVP (EA::StdC::Stopwatch& stopwatch, EaVectorVP& eaVectorVP) EA_POSTFIX_NO_INLINE;
+ EA_PREFIX_NO_INLINE void TestQuickSortStdInt(EA::StdC::Stopwatch& stopwatch, StdVectorInt& stdVectorInt) EA_POSTFIX_NO_INLINE;
+ EA_PREFIX_NO_INLINE void TestQuickSortEaInt (EA::StdC::Stopwatch& stopwatch, EaVectorInt& eaVectorInt) EA_POSTFIX_NO_INLINE;
+ EA_PREFIX_NO_INLINE void TestQuickSortStdTO (EA::StdC::Stopwatch& stopwatch, StdVectorTO& stdVectorTO) EA_POSTFIX_NO_INLINE;
+ EA_PREFIX_NO_INLINE void TestQuickSortEaTO (EA::StdC::Stopwatch& stopwatch, EaVectorTO& eaVectorTO) EA_POSTFIX_NO_INLINE;
+
+
+
+ void TestQuickSortStdVP(EA::StdC::Stopwatch& stopwatch, StdVectorVP& stdVectorVP)
+ {
+ stopwatch.Restart();
+ std::sort(stdVectorVP.begin(), stdVectorVP.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)stdVectorVP[0].key);
+ }
+
+
+ void TestQuickSortEaVP(EA::StdC::Stopwatch& stopwatch, EaVectorVP& eaVectorVP)
+ {
+ stopwatch.Restart();
+ eastl::quick_sort(eaVectorVP.begin(), eaVectorVP.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)eaVectorVP[0].key);
+ }
+
+
+ void TestQuickSortStdInt(EA::StdC::Stopwatch& stopwatch, StdVectorInt& stdVectorInt)
+ {
+ stopwatch.Restart();
+ std::sort(stdVectorInt.begin(), stdVectorInt.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)stdVectorInt[0]);
+ }
+
+
+ void TestQuickSortEaInt(EA::StdC::Stopwatch& stopwatch, EaVectorInt& eaVectorInt)
+ {
+ stopwatch.Restart();
+ eastl::quick_sort(eaVectorInt.begin(), eaVectorInt.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)eaVectorInt[0]);
+ }
+
+
+ void TestQuickSortStdTO(EA::StdC::Stopwatch& stopwatch, StdVectorTO& stdVectorTO)
+ {
+ stopwatch.Restart();
+ std::sort(stdVectorTO.begin(), stdVectorTO.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)stdVectorTO[0].mX);
+ }
+
+
+ void TestQuickSortEaTO(EA::StdC::Stopwatch& stopwatch, EaVectorTO& eaVectorTO)
+ {
+ stopwatch.Restart();
+ eastl::quick_sort(eaVectorTO.begin(), eaVectorTO.end());
+ stopwatch.Stop();
+ sprintf(Benchmark::gScratchBuffer, "%u", (unsigned)eaVectorTO[0].mX);
+ }
+
+} // namespace
+
+
+namespace
+{
+ enum SortFunctionType
+ {
+ sf_qsort, // C qsort
+ sf_shell_sort, // eastl::shell_sort.
+ sf_heap_sort, // eastl::heap_sort
+ sf_merge_sort, // eastl::merge_sort
+ sf_merge_sort_buffer, // eastl::merge_sort_buffer
+ sf_comb_sort, // eastl::comb_sort
+ sf_bubble_sort, // eastl::bubble_sort
+ sf_selection_sort, // eastl::selection_sort
+ sf_shaker_sort, // eastl::shaker_sort
+ sf_quick_sort, // eastl::quick_sort
+ sf_tim_sort, // eastl::tim_sort
+ sf_insertion_sort, // eastl::insertion_sort
+ sf_std_sort, // std::sort
+ sf_std_stable_sort, // std::stable_sort
+ sf_radix_sort, // eastl::radix_sort (unconventional sort)
+ sf_count //
+ };
+
+ const char* GetSortFunctionName(int sortFunctionType)
+ {
+ switch (sortFunctionType)
+ {
+ case sf_quick_sort:
+ return "eastl::sort";
+
+ case sf_tim_sort:
+ return "eastl::tim_sort";
+
+ case sf_insertion_sort:
+ return "eastl::insertion_sort";
+
+ case sf_shell_sort:
+ return "eastl::shell_sort";
+
+ case sf_heap_sort:
+ return "eastl::heap_sort";
+
+ case sf_merge_sort:
+ return "eastl::merge_sort";
+
+ case sf_merge_sort_buffer:
+ return "eastl::merge_sort_buffer";
+
+ case sf_comb_sort:
+ return "eastl::comb_sort";
+
+ case sf_bubble_sort:
+ return "eastl::bubble_sort";
+
+ case sf_selection_sort:
+ return "eastl::selection_sort";
+
+ case sf_shaker_sort:
+ return "eastl::shaker_sort";
+
+ case sf_radix_sort:
+ return "eastl::radix_sort";
+
+ case sf_qsort:
+ return "qsort";
+
+ case sf_std_sort:
+ return "std::sort";
+
+ case sf_std_stable_sort:
+ return "std::stable_sort";
+
+ default:
+ return "unknown";
+ }
+ }
+
+
+ enum RandomizationType
+ {
+ kRandom, // Completely random data.
+ kRandomSorted, // Random values already sorted.
+ kOrdered, // Already sorted.
+ kMostlyOrdered, // Partly sorted already.
+ kRandomizationTypeCount
+ };
+
+ const char* GetRandomizationTypeName(int randomizationType)
+ {
+ switch (randomizationType)
+ {
+ case kRandom:
+ return "random";
+
+ case kRandomSorted:
+ return "random sorted";
+
+ case kOrdered:
+ return "ordered";
+
+ case kMostlyOrdered:
+ return "mostly ordered";
+
+ default:
+ return "unknown";
+ }
+ }
+
+ template <typename ElementType, typename RandomType>
+ void Randomize(eastl::vector<ElementType>& v, EA::UnitTest::RandGenT<RandomType>& rng, RandomizationType type)
+ {
+ typedef RandomType value_type;
+
+ switch (type)
+ {
+ default:
+ case kRandomizationTypeCount: // We specify this only to avoid a compiler warning about not testing for it.
+ case kRandom:
+ {
+ eastl::generate(v.begin(), v.end(), rng);
+ break;
+ }
+
+ case kRandomSorted:
+ {
+ // This randomization type differs from kOrdered because the set of values is random (but sorted), in the kOrdered
+ // case the set of values is contiguous (i.e. 0, 1, ..., n) which can have different performance characteristics.
+ // For example, radix_sort performs poorly for kOrdered.
+ eastl::generate(v.begin(), v.end(), rng);
+ eastl::sort(v.begin(), v.end());
+ break;
+ }
+
+ case kOrdered:
+ {
+ for(eastl_size_t i = 0; i < v.size(); ++i)
+ v[i] = value_type((value_type)i); // Note that value_type may be a struct and not an integer. Thus the casting and construction here.
+ break;
+ }
+
+ case kMostlyOrdered:
+ {
+ for(eastl_size_t i = 0; i < v.size(); ++i)
+ v[i] = value_type((value_type)i); // Note that value_type may be a struct and not an integer. Thus the casting and construction here.
+
+ // We order random segments.
+ // The algorithm below in practice will make slightly more than kPercentOrdered be ordered.
+ const eastl_size_t kPercentOrdered = 80; // In actuality, due to statistics, the actual ordered percent will be about 82-85%.
+
+ for(eastl_size_t n = 0, s = v.size(), nEnd = ((s < (100 - kPercentOrdered)) ? 1 : (s / (100 - kPercentOrdered))); n < nEnd; n++)
+ {
+ eastl_size_t i = rng.mRand.RandLimit((uint32_t)s);
+ eastl_size_t j = rng.mRand.RandLimit((uint32_t)s);
+
+ eastl::swap(v[i], v[j]);
+ }
+
+ break;
+ }
+ }
+ }
+
+
+ char gSlowAssignBuffer1[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* ... */};
+ char gSlowAssignBuffer2[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* ... */};
+
+
+ // SlowAssign
+ // Implements an object which has slow assign performance.
+ template <typename T>
+ struct SlowAssign
+ {
+ typedef T key_type;
+ T x;
+
+ static int nAssignCount;
+
+ SlowAssign()
+ { x = 0; memcpy(gSlowAssignBuffer1, gSlowAssignBuffer2, sizeof(gSlowAssignBuffer1)); }
+
+ SlowAssign(const SlowAssign& sa)
+ { ++nAssignCount; x = sa.x; memcpy(gSlowAssignBuffer1, gSlowAssignBuffer2, sizeof(gSlowAssignBuffer1)); }
+
+ SlowAssign& operator=(const SlowAssign& sa)
+ { ++nAssignCount; x = sa.x; memcpy(gSlowAssignBuffer1, gSlowAssignBuffer2, sizeof(gSlowAssignBuffer1)); return *this; }
+
+ SlowAssign& operator=(int a)
+ { x = (T)a; return *this; }
+
+ static void Reset()
+ { nAssignCount = 0; }
+ };
+
+ template<> int SlowAssign<uint32_t>::nAssignCount = 0;
+
+ template <typename T>
+ bool operator <(const SlowAssign<T>& a, const SlowAssign<T>& b)
+ { return a.x < b.x; }
+
+
+ // SlowCompare
+ // Implements a compare which is N time slower than a simple integer compare.
+ template <typename T>
+ struct SlowCompare
+ {
+ static int nCompareCount;
+
+ bool operator()(T a, T b)
+ {
+ ++nCompareCount;
+
+ return (a < b) && // It happens that gSlowAssignBuffer1 is always zeroed.
+ (gSlowAssignBuffer1[0] == 0) && (gSlowAssignBuffer1[1] == 0) && (gSlowAssignBuffer1[1] == 0) &&
+ (gSlowAssignBuffer1[2] == 0) && (gSlowAssignBuffer1[4] == 0) && (gSlowAssignBuffer1[5] == 0);
+ }
+
+ static void Reset() { nCompareCount = 0; }
+ };
+
+ template <>
+ int SlowCompare<int32_t>::nCompareCount = 0;
+
+
+ // qsort callback functions
+ // qsort compare function returns negative if b > a and positive if a > b.
+ template <typename T>
+ int CompareInteger(const void* a, const void* b)
+ {
+ // Even though you see the following in Internet example code, it doesn't work!
+ // The reason is that it works only if a and b are both >= 0, otherwise large
+ // values can cause integer register wraparound. A similar kind of problem happens
+ // if you try to do the same thing with floating point value compares.
+ // See http://www.akalin.cx/2006/06/23/on-the-qsort-comparison-function/
+ // Internet exmaple code:
+ // return *(const int32_t*)a - *(const int32_t*)b;
+
+ // This double comparison might seem like it's crippling qsort against the
+ // STL-based sorts which do a single compare. But consider that the returning
+ // of -1, 0, +1 gives qsort more information, and its logic takes advantage
+ // of that.
+ if (*(const T*)a < *(const T*)b)
+ return -1;
+ if (*(const T*)a > *(const T*)b)
+ return +1;
+ return 0;
+ }
+
+
+ int SlowCompareInt32(const void* a, const void* b)
+ {
+ ++SlowCompare<int32_t>::nCompareCount;
+
+ // This code is similar in performance to the C++ SlowCompare template functor above.
+ if((gSlowAssignBuffer1[0] == 0) && (gSlowAssignBuffer1[1] == 0) &&
+ (gSlowAssignBuffer1[1] == 0) && (gSlowAssignBuffer1[2] == 0) &&
+ (gSlowAssignBuffer1[4] == 0) && (gSlowAssignBuffer1[5] == 0))
+ {
+ if (*(const int32_t*)a < *(const int32_t*)b)
+ return -1;
+ if (*(const int32_t*)a > *(const int32_t*)b)
+ return +1;
+ }
+
+ return 0;
+ }
+
+ template <typename slow_assign_type>
+ struct slow_assign_extract_radix_key
+ {
+ typedef typename slow_assign_type::key_type radix_type;
+
+ const radix_type operator()(const slow_assign_type& obj) const
+ {
+ return obj.x;
+ }
+ };
+
+ template <typename integer_type>
+ struct identity_extract_radix_key
+ {
+ typedef integer_type radix_type;
+
+ const radix_type operator()(const integer_type& x) const
+ {
+ return x;
+ }
+ };
+} // namespace
+
+
+struct BenchmarkResult
+{
+ uint64_t mTime;
+ uint64_t mCompareCount;
+ uint64_t mAssignCount;
+
+ BenchmarkResult() : mTime(0), mCompareCount(0), mAssignCount(0) {}
+};
+
+
+int CompareSortPerformance()
+{
+ // Sizes of arrays to be sorted.
+ const eastl_size_t kSizes[] = { 10, 100, 1000, 10000 };
+ const eastl_size_t kSizesCount = EAArrayCount(kSizes);
+ static BenchmarkResult sResults[kRandomizationTypeCount][kSizesCount][sf_count];
+ int nErrorCount = 0;
+
+ EA::UnitTest::ReportVerbosity(2, "Sort comparison\n");
+ EA::UnitTest::ReportVerbosity(2, "Random seed = %u\n", (unsigned)EA::UnitTest::GetRandSeed());
+
+ EA::UnitTest::RandGenT<int32_t> rng(EA::UnitTest::GetRandSeed());
+ EA::StdC::Stopwatch stopwatch(EA::StdC::Stopwatch::kUnitsCPUCycles);
+ EA::StdC::Stopwatch stopwatchGlobal(EA::StdC::Stopwatch::kUnitsSeconds);
+ const eastl_size_t kArraySizeMax = *eastl::max_element(eastl::begin(kSizes), eastl::end(kSizes));
+ const int kRunCount = 4;
+
+ #if !defined(EA_DEBUG)
+ EA::UnitTest::SetHighThreadPriority();
+ #endif
+
+ eastl::vector<SortFunctionType> allSortFunctions;
+ for (int i = 0; i < sf_count; i++)
+ {
+ allSortFunctions.push_back(SortFunctionType(i));
+ }
+
+ {
+ auto& sortFunctions = allSortFunctions;
+
+ // Regular speed test.
+ // In this case we test the sorting of integral values.
+ // This is probably the most common type of comparison.
+ EA::UnitTest::ReportVerbosity(2, "Sort comparison: Regular speed test\n");
+
+ typedef uint32_t ElementType;
+ typedef eastl::less<ElementType> CompareFunction;
+
+ eastl::string sOutput;
+ sOutput.set_capacity(100000);
+ ElementType* pBuffer = new ElementType[kArraySizeMax];
+
+ memset(sResults, 0, sizeof(sResults));
+
+ stopwatchGlobal.Restart();
+
+ for (int c = 0; c < kRunCount; c++)
+ {
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ eastl::vector<ElementType> v(size);
+
+ rng.SetSeed(EA::UnitTest::GetRandSeed());
+ Randomize(v, rng, (RandomizationType)i);
+
+ switch (sortFunction)
+ {
+ case sf_quick_sort:
+ stopwatch.Restart();
+ eastl::quick_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_tim_sort:
+ stopwatch.Restart();
+ eastl::tim_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_insertion_sort:
+ stopwatch.Restart();
+ eastl::insertion_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shell_sort:
+ stopwatch.Restart();
+ eastl::shell_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_heap_sort:
+ stopwatch.Restart();
+ eastl::heap_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort:
+ stopwatch.Restart();
+ eastl::merge_sort(v.begin(), v.end(), *get_default_allocator((EASTLAllocatorType*)NULL), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort_buffer:
+ stopwatch.Restart();
+ eastl::merge_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_comb_sort:
+ stopwatch.Restart();
+ eastl::comb_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_bubble_sort:
+ stopwatch.Restart();
+ eastl::bubble_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_selection_sort:
+ stopwatch.Restart();
+ eastl::selection_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shaker_sort:
+ stopwatch.Restart();
+ eastl::shaker_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_radix_sort:
+ stopwatch.Restart();
+ eastl::radix_sort<ElementType*, identity_extract_radix_key<ElementType>>(v.begin(), v.end(), pBuffer);
+ stopwatch.Stop();
+ break;
+
+ case sf_qsort:
+ stopwatch.Restart();
+ qsort(&v[0], (size_t)v.size(), sizeof(ElementType), CompareInteger<ElementType>);
+ stopwatch.Stop();
+ break;
+
+ case sf_std_sort:
+ stopwatch.Restart();
+ std::sort(v.data(), v.data() + v.size(), std::less<ElementType>());
+ stopwatch.Stop();
+ break;
+
+ case sf_std_stable_sort:
+ stopwatch.Restart();
+ std::stable_sort(v.data(), v.data() + v.size(), std::less<ElementType>());
+ stopwatch.Stop();
+ break;
+
+ case sf_count:
+ default:
+ // unsupported
+ break;
+ }
+
+ const uint64_t elapsedTime = (uint64_t)stopwatch.GetElapsedTime();
+
+ // If this result was faster than a previously fastest result, record this one instead.
+ if ((c == 0) || (elapsedTime < sResults[i][sizeType][sortFunction].mTime))
+ sResults[i][sizeType][sortFunction].mTime = elapsedTime;
+
+ VERIFY(eastl::is_sorted(v.begin(), v.end()));
+
+ } // for each sort function...
+
+ } // for each size type...
+
+ } // for each randomization type...
+
+ } // for each run
+
+ EA::UnitTest::ReportVerbosity(2, "Total time: %.2f s\n", stopwatchGlobal.GetElapsedTimeFloat());
+
+ delete[] pBuffer;
+
+ // Now print the results.
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ sOutput.append_sprintf("%25s, %14s, Size: %8u, Time: %14" PRIu64 " ticks %0.2f ticks/elem\n",
+ GetSortFunctionName(sortFunction), GetRandomizationTypeName(i),
+ (unsigned)size, sResults[i][sizeType][sortFunction].mTime,
+ float(sResults[i][sizeType][sortFunction].mTime)/float(size));
+ }
+ sOutput.append("\n");
+ }
+ }
+
+ EA::UnitTest::ReportVerbosity(2, "%s\n\n", sOutput.c_str());
+ }
+
+ {
+ // Do a speed test for the case of slow compares.
+ // By this we mean to compare sorting speeds when the comparison of elements is slow.
+ // Sort functions use element comparison to tell where elements go and use element
+ // movement to get them there. But some sorting functions accomplish sorting performance by
+ // minimizing the amount of movement, some minimize the amount of comparisons, and the
+ // best do a good job of minimizing both.
+ auto sortFunctions = allSortFunctions;
+ // We can't test this radix_sort because what we need isn't exposed.
+ sortFunctions.erase(eastl::remove(sortFunctions.begin(), sortFunctions.end(), sf_radix_sort), sortFunctions.end());
+ EA::UnitTest::ReportVerbosity(2, "Sort comparison: Slow compare speed test\n");
+
+ typedef int32_t ElementType;
+ typedef SlowCompare<ElementType> CompareFunction;
+
+ eastl::string sOutput;
+ sOutput.set_capacity(100000);
+ ElementType* pBuffer = new ElementType[kArraySizeMax];
+
+ memset(sResults, 0, sizeof(sResults));
+
+ stopwatchGlobal.Restart();
+
+ for (int c = 0; c < kRunCount; c++)
+ {
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ eastl::vector<ElementType> v(size);
+
+ rng.SetSeed(EA::UnitTest::GetRandSeed());
+ Randomize(v, rng, (RandomizationType)i);
+ CompareFunction::Reset();
+
+ switch (sortFunction)
+ {
+ case sf_quick_sort:
+ stopwatch.Restart();
+ eastl::quick_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_tim_sort:
+ stopwatch.Restart();
+ eastl::tim_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_insertion_sort:
+ stopwatch.Restart();
+ eastl::insertion_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shell_sort:
+ stopwatch.Restart();
+ eastl::shell_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_heap_sort:
+ stopwatch.Restart();
+ eastl::heap_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort:
+ stopwatch.Restart();
+ eastl::merge_sort(v.begin(), v.end(), *get_default_allocator((EASTLAllocatorType*)NULL), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort_buffer:
+ stopwatch.Restart();
+ eastl::merge_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_comb_sort:
+ stopwatch.Restart();
+ eastl::comb_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_bubble_sort:
+ stopwatch.Restart();
+ eastl::bubble_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_selection_sort:
+ stopwatch.Restart();
+ eastl::selection_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shaker_sort:
+ stopwatch.Restart();
+ eastl::shaker_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_qsort:
+ stopwatch.Restart();
+ qsort(&v[0], (size_t)v.size(), sizeof(ElementType), SlowCompareInt32);
+ stopwatch.Stop();
+ break;
+
+ case sf_std_sort:
+ stopwatch.Restart();
+ std::sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_std_stable_sort:
+ stopwatch.Restart();
+ std::stable_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_radix_sort:
+ case sf_count:
+ default:
+ // unsupported
+ break;
+ }
+
+ const uint64_t elapsedTime = (uint64_t)stopwatch.GetElapsedTime();
+
+ // If this result was faster than a previously fastest result, record this one instead.
+ if ((c == 0) || (elapsedTime < sResults[i][sizeType][sortFunction].mTime))
+ {
+ sResults[i][sizeType][sortFunction].mTime = elapsedTime;
+ sResults[i][sizeType][sortFunction].mCompareCount = (uint64_t)CompareFunction::nCompareCount;
+ }
+
+ VERIFY(eastl::is_sorted(v.begin(), v.end()));
+ } // for each sort function...
+
+ } // for each size type...
+
+ } // for each randomization type...
+
+ } // for each run
+
+ EA::UnitTest::ReportVerbosity(2, "Total time: %.2f s\n", stopwatchGlobal.GetElapsedTimeFloat());
+
+ delete[] pBuffer;
+
+ // Now print the results.
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ sOutput.append_sprintf("%25s, %14s, Size: %6u, Time: %11" PRIu64 " ticks, Compares: %11" PRIu64 "\n",
+ GetSortFunctionName(sortFunction), GetRandomizationTypeName(i),
+ (unsigned)size, sResults[i][sizeType][sortFunction].mTime,
+ sResults[i][sizeType][sortFunction].mCompareCount);
+ }
+
+ sOutput.append("\n");
+ }
+ }
+
+ EA::UnitTest::ReportVerbosity(2, "%s\n\n", sOutput.c_str());
+ }
+
+ {
+ // Do a speed test for the case of slow assignment.
+ // By this we mean to compare sorting speeds when the movement of elements is slow.
+ // Sort functions use element comparison to tell where elements go and use element
+ // movement to get them there. But some sorting functions accomplish sorting performance by
+ // minimizing the amount of movement, some minimize the amount of comparisons, and the
+ // best do a good job of minimizing both.
+ auto sortFunctions = allSortFunctions;
+ // Can't implement this for qsort because the C standard library doesn't expose it.
+ // We could implement it by copying and modifying the source code.
+ sortFunctions.erase(eastl::remove(sortFunctions.begin(), sortFunctions.end(), sf_qsort), sortFunctions.end());
+
+ EA::UnitTest::ReportVerbosity(2, "Sort comparison: Slow assignment speed test\n");
+
+ typedef SlowAssign<uint32_t> ElementType;
+ typedef eastl::less<ElementType> CompareFunction;
+
+ eastl::string sOutput;
+ sOutput.set_capacity(100000);
+ ElementType* pBuffer = new ElementType[kArraySizeMax];
+
+ memset(sResults, 0, sizeof(sResults));
+
+ stopwatchGlobal.Restart();
+
+ for (int c = 0; c < kRunCount; c++)
+ {
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ eastl::vector<ElementType> v(size);
+
+ Randomize<ElementType>(v, rng, (RandomizationType)i);
+ ElementType::Reset();
+
+ switch (sortFunction)
+ {
+ case sf_quick_sort:
+ stopwatch.Restart();
+ eastl::quick_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_tim_sort:
+ stopwatch.Restart();
+ eastl::tim_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_insertion_sort:
+ stopwatch.Restart();
+ eastl::insertion_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shell_sort:
+ stopwatch.Restart();
+ eastl::shell_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_heap_sort:
+ stopwatch.Restart();
+ eastl::heap_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort:
+ stopwatch.Restart();
+ eastl::merge_sort(v.begin(), v.end(), *get_default_allocator((EASTLAllocatorType*)NULL), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort_buffer:
+ stopwatch.Restart();
+ eastl::merge_sort_buffer(v.begin(), v.end(), pBuffer, CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_comb_sort:
+ stopwatch.Restart();
+ eastl::comb_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_bubble_sort:
+ stopwatch.Restart();
+ eastl::bubble_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_selection_sort:
+ stopwatch.Restart();
+ eastl::selection_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_shaker_sort:
+ stopwatch.Restart();
+ eastl::shaker_sort(v.begin(), v.end(), CompareFunction());
+ stopwatch.Stop();
+ break;
+
+ case sf_radix_sort:
+ stopwatch.Restart();
+ eastl::radix_sort<ElementType*, slow_assign_extract_radix_key<ElementType>>(v.begin(), v.end(), pBuffer);
+ stopwatch.Stop();
+ break;
+
+ case sf_std_sort:
+ stopwatch.Restart();
+ std::sort(v.begin(), v.end(), std::less<ElementType>());
+ stopwatch.Stop();
+ break;
+
+ case sf_std_stable_sort:
+ stopwatch.Restart();
+ std::stable_sort(v.begin(), v.end(), std::less<ElementType>());
+ stopwatch.Stop();
+ break;
+
+ case sf_qsort:
+ case sf_count:
+ default:
+ // unsupported
+ break;
+ }
+
+ const uint64_t elapsedTime = (uint64_t)stopwatch.GetElapsedTime();
+
+ // If this result was faster than a previously fastest result, record this one instead.
+ if ((c == 0) || (elapsedTime < sResults[i][sizeType][sortFunction].mTime))
+ {
+ sResults[i][sizeType][sortFunction].mTime = elapsedTime;
+ sResults[i][sizeType][sortFunction].mAssignCount = (uint64_t)ElementType::nAssignCount;
+ }
+
+ VERIFY(eastl::is_sorted(v.begin(), v.end()));
+
+ } // for each sort function...
+
+ } // for each size type...
+
+ } // for each randomization type...
+
+ } // for each run
+
+ EA::UnitTest::ReportVerbosity(2, "Total time: %.2f s\n", stopwatchGlobal.GetElapsedTimeFloat());
+
+ delete[] pBuffer;
+
+ // Now print the results.
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t sizeType = 0; sizeType < EAArrayCount(kSizes); sizeType++)
+ {
+ const eastl_size_t size = kSizes[sizeType];
+
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ sOutput.append_sprintf("%25s, %14s, Size: %6u, Time: %11" PRIu64 " ticks, Assignments: %11" PRIu64 "\n",
+ GetSortFunctionName(sortFunction), GetRandomizationTypeName(i),
+ (unsigned)size, sResults[i][sizeType][sortFunction].mTime,
+ sResults[i][sizeType][sortFunction].mAssignCount);
+ }
+
+ sOutput.append("\n");
+ }
+ }
+ EA::UnitTest::ReportVerbosity(2, "%s\n", sOutput.c_str());
+ }
+
+ #if !defined(EA_DEBUG)
+ EA::UnitTest::SetNormalThreadPriority();
+ #endif
+
+ return nErrorCount;
+}
+
+typedef eastl::function<void(eastl::string &output, const char* sortFunction, const char* randomizationType, size_t size, size_t numSubArrays, const BenchmarkResult &result)> OutputResultCallback;
+typedef eastl::function<void(BenchmarkResult &result)> PostExecuteCallback;
+typedef eastl::function<void()> PreExecuteCallback;
+
+
+template<class ElementType, class CompareFunction>
+static int CompareSmallInputSortPerformanceHelper(eastl::vector<eastl_size_t> &arraySizes, eastl::vector<SortFunctionType> &sortFunctions, const PreExecuteCallback &preExecuteCallback, const PostExecuteCallback &postExecuteCallback, const OutputResultCallback &outputResultCallback)
+{
+ int nErrorCount = 0;
+
+ EA::UnitTest::RandGenT<int32_t> rng(EA::UnitTest::GetRandSeed());
+ EA::StdC::Stopwatch stopwatch(EA::StdC::Stopwatch::kUnitsCPUCycles);
+ EA::StdC::Stopwatch stopwatchGlobal(EA::StdC::Stopwatch::kUnitsSeconds);
+ const eastl_size_t kArraySizeMax = *eastl::max_element(eastl::begin(arraySizes), eastl::end(arraySizes));
+ const int kRunCount = 4;
+ const int numSubArrays = 128;
+
+ eastl::string sOutput;
+ sOutput.set_capacity(100000);
+ ElementType* pBuffer = new ElementType[kArraySizeMax];
+
+ stopwatchGlobal.Restart();
+
+ for (int i = 0; i < kRandomizationTypeCount; i++)
+ {
+ for (size_t size : arraySizes)
+ {
+ for (SortFunctionType sortFunction : sortFunctions)
+ {
+ BenchmarkResult bestResult{};
+
+ for (int c = 0; c < kRunCount; c++)
+ {
+ eastl::vector<ElementType> v(size * numSubArrays);
+
+ rng.SetSeed(EA::UnitTest::GetRandSeed());
+ Randomize(v, rng, (RandomizationType)i);
+ preExecuteCallback();
+
+ switch (sortFunction)
+ {
+ case sf_quick_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::quick_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_tim_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::tim_sort_buffer(begin, begin + size, pBuffer, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_insertion_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::insertion_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_shell_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::shell_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_heap_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::heap_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::merge_sort(begin, begin + size, *get_default_allocator((EASTLAllocatorType*)NULL), CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_merge_sort_buffer:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::merge_sort_buffer(begin, begin + size, pBuffer, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_comb_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::comb_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_bubble_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::bubble_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_selection_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::selection_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_shaker_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ eastl::shaker_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_std_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ std::sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_std_stable_sort:
+ stopwatch.Restart();
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ std::stable_sort(begin, begin + size, CompareFunction());
+ }
+ stopwatch.Stop();
+ break;
+
+ case sf_qsort:
+ case sf_radix_sort:
+ case sf_count:
+ default:
+ EATEST_VERIFY_F(false, "Missing case statement for sort function %s.", GetSortFunctionName(sortFunction));
+ break;
+ }
+
+ BenchmarkResult result {};
+ result.mTime = (uint64_t)stopwatch.GetElapsedTime();
+ postExecuteCallback(result);
+
+ // If this result was faster than a previously fastest result, record this one instead.
+ if ((c == 0) || (result.mTime < bestResult.mTime))
+ bestResult = result;
+
+ for (auto begin = v.begin(); begin != v.end(); begin += size)
+ {
+ VERIFY(eastl::is_sorted(begin, begin + size));
+ }
+ } // for each run
+
+ outputResultCallback(sOutput, GetSortFunctionName(sortFunction), GetRandomizationTypeName(i), size, numSubArrays, bestResult);
+
+ } // for each sort function...
+ sOutput.append("\n");
+
+ } // for each size type...
+
+ } // for each randomization type...
+
+ EA::UnitTest::ReportVerbosity(2, "Total time: %.2f s\n", stopwatchGlobal.GetElapsedTimeFloat());
+ EA::UnitTest::ReportVerbosity(2, "%s\n", sOutput.c_str());
+
+ delete[] pBuffer;
+ return nErrorCount;
+}
+
+static int CompareSmallInputSortPerformance()
+{
+ int nErrorCount = 0;
+ eastl::vector<eastl_size_t> arraySizes{1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 64, 128, 256};
+ // Test quick sort and merge sort to provide a "base line" for performance. The other sort algorithms are mostly
+ // O(n^2) and they are benchmarked to determine what sorts are ideal for sorting small arrays or sub-arrays. (i.e.
+ // this is useful to determine good algorithms to choose as a base case for some of the recursive sorts).
+ eastl::vector<SortFunctionType> sortFunctions{sf_quick_sort, sf_merge_sort_buffer, sf_bubble_sort, sf_comb_sort,
+ sf_insertion_sort, sf_selection_sort, sf_shell_sort, sf_shaker_sort};
+
+ EA::UnitTest::ReportVerbosity(2, "Small Sub-array Sort comparison: Regular speed test\n");
+ nErrorCount += CompareSmallInputSortPerformanceHelper<uint32_t, eastl::less<uint32_t>>(
+ arraySizes, sortFunctions, PreExecuteCallback([]() {}), PostExecuteCallback([](BenchmarkResult&) {}),
+ OutputResultCallback([](eastl::string& output, const char* sortFunction, const char* randomizationType,
+ size_t size, size_t numSubArrays, const BenchmarkResult& result) {
+ output.append_sprintf("%25s, %14s, Size: %8u, Time: %0.1f ticks %0.2f ticks/elem\n", sortFunction,
+ randomizationType, (unsigned)size, float(result.mTime) / float(numSubArrays),
+ float(result.mTime) / float(size * numSubArrays));
+ }));
+
+ EA::UnitTest::ReportVerbosity(2, "Small Sub-array Sort comparison: Slow compare speed test\n");
+ nErrorCount += CompareSmallInputSortPerformanceHelper<int32_t, SlowCompare<int32_t>>(
+ arraySizes, sortFunctions, PreExecuteCallback([]() { SlowCompare<int32_t>::Reset(); }),
+ PostExecuteCallback(
+ [](BenchmarkResult& result) { result.mCompareCount = (uint64_t)SlowCompare<int32_t>::nCompareCount; }),
+ OutputResultCallback([](eastl::string& output, const char* sortFunction, const char* randomizationType,
+ size_t size, size_t numSubArrays, const BenchmarkResult& result) {
+ output.append_sprintf("%25s, %14s, Size: %6u, Time: %0.2f ticks, Compares: %0.2f\n", sortFunction,
+ randomizationType, (unsigned)size, float(result.mTime) / float(numSubArrays),
+ float(result.mCompareCount) / float(numSubArrays));
+ }));
+
+ EA::UnitTest::ReportVerbosity(2, "Small Sub-array Sort comparison: Slow assignment speed test\n");
+ nErrorCount += CompareSmallInputSortPerformanceHelper<SlowAssign<uint32_t>, eastl::less<SlowAssign<uint32_t>>>(
+ arraySizes, sortFunctions, PreExecuteCallback([]() { SlowAssign<uint32_t>::Reset(); }),
+ PostExecuteCallback([](BenchmarkResult& result) {
+ result.mCompareCount = (uint64_t)SlowCompare<int32_t>::nCompareCount;
+ result.mAssignCount = (uint64_t)SlowAssign<uint32_t>::nAssignCount;
+ }),
+ OutputResultCallback([](eastl::string& output, const char* sortFunction, const char* randomizationType,
+ size_t size, size_t numSubArrays, const BenchmarkResult& result) {
+ output.append_sprintf("%25s, %14s, Size: %6u, Time: %0.2f ticks, Assignments: %0.2f\n", sortFunction,
+ randomizationType, (unsigned)size, float(result.mTime) / float(numSubArrays),
+ float(result.mAssignCount) / float(numSubArrays));
+ }));
+
+ return nErrorCount;
+}
+
+
+void BenchmarkSort()
+{
+ EASTLTest_Printf("Sort\n");
+
+ EA::UnitTest::RandGenT<uint32_t> rng(12345678); // For debugging sort code we should use 12345678, for normal testing use EA::UnitTest::GetRandSeed().
+ EA::StdC::Stopwatch stopwatch1(EA::StdC::Stopwatch::kUnitsCPUCycles);
+ EA::StdC::Stopwatch stopwatch2(EA::StdC::Stopwatch::kUnitsCPUCycles);
+
+ if (EA::UnitTest::GetVerbosity() >= 3)
+ {
+ CompareSortPerformance();
+ CompareSmallInputSortPerformance();
+ }
+
+ { // Exercise some declarations
+ int nErrorCount = 0;
+
+ ValuePair vp1 = {0, 0}, vp2 = {0, 0};
+ VPCompare c1, c2;
+
+ VERIFY(c1.operator()(vp1, vp2) == c2.operator()(vp1, vp2));
+ VERIFY((vp1 < vp2) || (vp1 == vp2) || !(vp1 == vp2));
+ }
+
+ {
+ eastl::vector<uint32_t> intVector(10000);
+ eastl::generate(intVector.begin(), intVector.end(), rng);
+
+ for (int i = 0; i < 2; i++)
+ {
+ ///////////////////////////////
+ // Test quick_sort/vector/ValuePair
+ ///////////////////////////////
+
+ StdVectorVP stdVectorVP(intVector.size());
+ EaVectorVP eaVectorVP(intVector.size());
+
+ for (eastl_size_t j = 0, jEnd = intVector.size(); j < jEnd; j++)
+ {
+ const ValuePair vp = {intVector[j], intVector[j]};
+ stdVectorVP[j] = vp;
+ eaVectorVP[j] = vp;
+ }
+
+ TestQuickSortStdVP(stopwatch1, stdVectorVP);
+ TestQuickSortEaVP (stopwatch2, eaVectorVP);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<ValuePair>", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+ // Benchmark the sorting of something that is already sorted.
+ TestQuickSortStdVP(stopwatch1, stdVectorVP);
+ TestQuickSortEaVP (stopwatch2, eaVectorVP);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<ValuePair>/sorted", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+
+
+ ///////////////////////////////
+ // Test quick_sort/vector/Int
+ ///////////////////////////////
+
+ StdVectorInt stdVectorInt(intVector.size());
+ EaVectorInt eaVectorInt (intVector.size());
+
+ for(eastl_size_t j = 0, jEnd = intVector.size(); j < jEnd; j++)
+ {
+ stdVectorInt[j] = intVector[j];
+ eaVectorInt[j] = intVector[j];
+ }
+
+ TestQuickSortStdInt(stopwatch1, stdVectorInt);
+ TestQuickSortEaInt (stopwatch2, eaVectorInt);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<uint32>", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+ // Benchmark the sorting of something that is already sorted.
+ TestQuickSortStdInt(stopwatch1, stdVectorInt);
+ TestQuickSortEaInt (stopwatch2, eaVectorInt);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<uint32>/sorted", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+
+
+ ///////////////////////////////
+ // Test quick_sort/vector/TestObject
+ ///////////////////////////////
+
+ StdVectorTO stdVectorTO(intVector.size());
+ EaVectorTO eaVectorTO(intVector.size());
+
+ for (eastl_size_t j = 0, jEnd = intVector.size(); j < jEnd; j++)
+ {
+ stdVectorTO[j] = TestObject(intVector[j]);
+ eaVectorTO[j] = TestObject(intVector[j]);
+ }
+
+ TestQuickSortStdTO(stopwatch1, stdVectorTO);
+ TestQuickSortEaTO(stopwatch2, eaVectorTO);
+
+ if (i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<TestObject>", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+ // Benchmark the sorting of something that is already sorted.
+ TestQuickSortStdTO(stopwatch1, stdVectorTO);
+ TestQuickSortEaTO(stopwatch2, eaVectorTO);
+
+ if (i == 1)
+ Benchmark::AddResult("sort/q_sort/vector<TestObject>/sorted", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+
+
+ ///////////////////////////////
+ // Test quick_sort/TestObject[]
+ ///////////////////////////////
+
+ // Reset the values back to the unsorted state.
+ for(eastl_size_t j = 0, jEnd = intVector.size(); j < jEnd; j++)
+ {
+ stdVectorTO[j] = TestObject(intVector[j]);
+ eaVectorTO[j] = TestObject(intVector[j]);
+ }
+
+ TestQuickSortStdTO(stopwatch1, stdVectorTO);
+ TestQuickSortEaTO (stopwatch2, eaVectorTO);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/TestObject[]", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+
+ // Benchmark the sorting of something that is already sorted.
+ TestQuickSortStdTO(stopwatch1, stdVectorTO);
+ TestQuickSortEaTO (stopwatch2, eaVectorTO);
+
+ if(i == 1)
+ Benchmark::AddResult("sort/q_sort/TestObject[]/sorted", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
+ }
+ }
+}
+
+
+
+
+