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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/string.h>
#include <EASTL/sort.h>
EA_DISABLE_ALL_VC_WARNINGS()
#include <algorithm>
#include <string>
#include <stdio.h>
#include <stdlib.h>
EA_RESTORE_ALL_VC_WARNINGS()
using namespace EA;
namespace
{
template <typename Container>
void TestPushBack(EA::StdC::Stopwatch& stopwatch, Container& c)
{
stopwatch.Restart();
for(int i = 0; i < 100000; i++)
c.push_back((typename Container::value_type)(i & ((typename Container::value_type)~0)));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestInsert1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p)
{
const typename Container::size_type s = c.size();
stopwatch.Restart();
for(int i = 0; i < 100; i++)
c.insert(s - (typename Container::size_type)(i * 317), p);
stopwatch.Stop();
}
template <typename Container>
void TestErase1(EA::StdC::Stopwatch& stopwatch, Container& c)
{
const typename Container::size_type s = c.size();
stopwatch.Restart();
for(int i = 0; i < 100; i++)
c.erase(s - (typename Container::size_type)(i * 339), 7);
stopwatch.Stop();
}
template <typename Container, typename T>
void TestReplace1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int n)
{
const typename Container::size_type s = c.size();
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
c.replace(s - (typename Container::size_type)(i * 5), ((n - 2) + (i & 3)), p, n); // The second argument rotates through n-2, n-1, n, n+1, n-2, etc.
stopwatch.Stop();
}
template <typename Container>
void TestReserve(EA::StdC::Stopwatch& stopwatch, Container& c)
{
const typename Container::size_type s = c.capacity();
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
c.reserve((s - 2) + (i & 3)); // The second argument rotates through n-2, n-1, n, n+1, n-2, etc.
stopwatch.Stop();
}
template <typename Container>
void TestSize(EA::StdC::Stopwatch& stopwatch, Container& c)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.size());
stopwatch.Stop();
}
template <typename Container>
void TestBracket(EA::StdC::Stopwatch& stopwatch, Container& c)
{
int32_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);
}
template <typename Container>
void TestFind(EA::StdC::Stopwatch& stopwatch, Container& c)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, *eastl::find(c.begin(), c.end(), (typename Container::value_type)~0));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestFind1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.find(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestRfind1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.rfind(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestFirstOf1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.find_first_of(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestLastOf1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.find_last_of(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestFirstNotOf1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.find_first_not_of(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container, typename T>
void TestLastNotOf1(EA::StdC::Stopwatch& stopwatch, Container& c, T* p, int pos, int n)
{
stopwatch.Restart();
for(int i = 0; i < 1000; i++)
Benchmark::DoNothing(&c, c.find_last_not_of(p, (typename Container::size_type)pos, (typename Container::size_type)n));
stopwatch.Stop();
}
template <typename Container>
void TestCompare(EA::StdC::Stopwatch& stopwatch, Container& c1, Container& c2) // size()
{
stopwatch.Restart();
for(int i = 0; i < 500; i++)
Benchmark::DoNothing(&c1, c1.compare(c2));
stopwatch.Stop();
}
template <typename Container>
void TestSwap(EA::StdC::Stopwatch& stopwatch, Container& c1, Container& c2) // size()
{
stopwatch.Restart();
for(int i = 0; i < 10000; i++) // Make sure this is an even count so that when done things haven't changed.
{
c1.swap(c2);
Benchmark::DoNothing(&c1);
}
stopwatch.Stop();
}
} // namespace
void BenchmarkString()
{
EASTLTest_Printf("String\n");
EA::StdC::Stopwatch stopwatch1(EA::StdC::Stopwatch::kUnitsCPUCycles);
EA::StdC::Stopwatch stopwatch2(EA::StdC::Stopwatch::kUnitsCPUCycles);
{
for(int i = 0; i < 2; i++)
{
std::basic_string<char8_t> ss8(16, 0); // We initialize to size of 16 because different implementations may make
eastl::basic_string<char8_t> es8(16, 0); // different tradeoffs related to startup size. Initial operations are faster
// when strings start with a higher reserve, but they use more memory.
std::basic_string<char16_t> ss16(16, 0); // We try to nullify this tradeoff for the tests below by starting all at
eastl::basic_string<char16_t> es16(16, 0); // the same baseline allocation.
///////////////////////////////
// Test push_back
///////////////////////////////
TestPushBack(stopwatch1, ss8);
TestPushBack(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/push_back", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestPushBack(stopwatch1, ss16);
TestPushBack(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/push_back", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test insert(size_type position, const value_type* p)
///////////////////////////////
const char8_t pInsert1_8[] = { 'a', 0 };
TestInsert1(stopwatch1, ss8, pInsert1_8);
TestInsert1(stopwatch2, es8, pInsert1_8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/insert/pos,p", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
const char16_t pInsert1_16[] = { 'a', 0 };
TestInsert1(stopwatch1, ss16, pInsert1_16);
TestInsert1(stopwatch2, es16, pInsert1_16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/insert/pos,p", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test erase(size_type position, size_type n)
///////////////////////////////
TestErase1(stopwatch1, ss8);
TestErase1(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/erase/pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestErase1(stopwatch1, ss16);
TestErase1(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/erase/pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test replace(size_type position, size_type n1, const value_type* p, size_type n2)
///////////////////////////////
const int kReplace1Size = 8;
const char8_t pReplace1_8[kReplace1Size] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
TestReplace1(stopwatch1, ss8, pReplace1_8, kReplace1Size);
TestReplace1(stopwatch2, es8, pReplace1_8, kReplace1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/replace/pos,n,p,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
const char16_t pReplace1_16[kReplace1Size] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
TestReplace1(stopwatch1, ss16, pReplace1_16, kReplace1Size);
TestReplace1(stopwatch2, es16, pReplace1_16, kReplace1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/replace/pos,n,p,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test reserve(size_type)
///////////////////////////////
TestReserve(stopwatch1, ss8);
TestReserve(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/reserve", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestReserve(stopwatch1, ss16);
TestReserve(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/reserve", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test size()
///////////////////////////////
TestSize(stopwatch1, ss8);
TestSize(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/size", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestSize(stopwatch1, ss16);
TestSize(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/size", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test operator[].
///////////////////////////////
TestBracket(stopwatch1, ss8);
TestBracket(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/operator[]", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestBracket(stopwatch1, ss16);
TestBracket(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/operator[]", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test iteration via find().
///////////////////////////////
TestFind(stopwatch1, ss8);
TestFind(stopwatch2, es8);
if(i == 1)
Benchmark::AddResult("string<char8_t>/iteration", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestFind(stopwatch1, ss16);
TestFind(stopwatch2, es16);
if(i == 1)
Benchmark::AddResult("string<char16_t>/iteration", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test find(const value_type* p, size_type position, size_type n)
///////////////////////////////
const int kFind1Size = 7;
const char8_t pFind1_8[kFind1Size] = { 'p', 'a', 't', 't', 'e', 'r', 'n' };
ss8.insert(ss8.size() / 2, pFind1_8);
es8.insert(es8.size() / 2, pFind1_8);
TestFind1(stopwatch1, ss8, pFind1_8, 15, kFind1Size);
TestFind1(stopwatch2, es8, pFind1_8, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/find/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
const char16_t pFind1_16[kFind1Size] = { 'p', 'a', 't', 't', 'e', 'r', 'n' };
#if !defined(EA_PLATFORM_IPHONE) && (!defined(EA_COMPILER_CLANG) && defined(EA_PLATFORM_MINGW)) // Crashes on iPhone.
ss16.insert(ss8.size() / 2, pFind1_16);
#endif
es16.insert(es8.size() / 2, pFind1_16);
TestFind1(stopwatch1, ss16, pFind1_16, 15, kFind1Size);
TestFind1(stopwatch2, es16, pFind1_16, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/find/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test rfind(const value_type* p, size_type position, size_type n)
///////////////////////////////
TestRfind1(stopwatch1, ss8, pFind1_8, 15, kFind1Size);
TestRfind1(stopwatch2, es8, pFind1_8, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/rfind/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestRfind1(stopwatch1, ss16, pFind1_16, 15, kFind1Size);
TestRfind1(stopwatch2, es16, pFind1_16, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/rfind/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
//NOTICE (RASHIN):
//FindFirstOf variants are incredibly slow on palm pixi debug builds.
//Disabling for now...
#if !defined(EA_DEBUG)
///////////////////////////////
// Test find_first_of(const value_type* p, size_type position, size_type n
///////////////////////////////
const int kFindOf1Size = 7;
const char8_t pFindOf1_8[kFindOf1Size] = { '~', '~', '~', '~', '~', '~', '~' };
TestFirstOf1(stopwatch1, ss8, pFindOf1_8, 15, kFindOf1Size);
TestFirstOf1(stopwatch2, es8, pFindOf1_8, 15, kFindOf1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/find_first_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
const char16_t pFindOf1_16[kFindOf1Size] = { '~', '~', '~', '~', '~', '~', '~' };
TestFirstOf1(stopwatch1, ss16, pFindOf1_16, 15, kFindOf1Size);
TestFirstOf1(stopwatch2, es16, pFindOf1_16, 15, kFindOf1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/find_first_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test find_last_of(const value_type* p, size_type position, size_type n
///////////////////////////////
TestLastOf1(stopwatch1, ss8, pFindOf1_8, 15, kFindOf1Size);
TestLastOf1(stopwatch2, es8, pFindOf1_8, 15, kFindOf1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/find_last_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestLastOf1(stopwatch1, ss16, pFindOf1_16, 15, kFindOf1Size);
TestLastOf1(stopwatch2, es16, pFindOf1_16, 15, kFindOf1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/find_last_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test find_first_not_of(const value_type* p, size_type position, size_type n
///////////////////////////////
TestFirstNotOf1(stopwatch1, ss8, pFind1_8, 15, kFind1Size);
TestFirstNotOf1(stopwatch2, es8, pFind1_8, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/find_first_not_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestFirstNotOf1(stopwatch1, ss16, pFind1_16, 15, kFind1Size);
TestFirstNotOf1(stopwatch2, es16, pFind1_16, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/find_first_not_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test find_last_of(const value_type* p, size_type position, size_type n
///////////////////////////////
TestLastNotOf1(stopwatch1, ss8, pFind1_8, 15, kFind1Size);
TestLastNotOf1(stopwatch2, es8, pFind1_8, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char8_t>/find_last_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestLastNotOf1(stopwatch1, ss16, pFind1_16, 15, kFind1Size);
TestLastNotOf1(stopwatch2, es16, pFind1_16, 15, kFind1Size);
if(i == 1)
Benchmark::AddResult("string<char16_t>/find_last_of/p,pos,n", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
#endif
///////////////////////////////
// Test compare()
///////////////////////////////
std::basic_string<char8_t> ss8X(ss8);
eastl::basic_string<char8_t> es8X(es8);
std::basic_string<char16_t> ss16X(ss16);
eastl::basic_string<char16_t> es16X(es16);
TestCompare(stopwatch1, ss8, ss8X);
TestCompare(stopwatch2, es8, es8X);
if(i == 1)
Benchmark::AddResult("string<char8_t>/compare", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestCompare(stopwatch1, ss16, ss16X);
TestCompare(stopwatch2, es16, es16X);
if(i == 1)
Benchmark::AddResult("string<char16_t>/compare", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
///////////////////////////////
// Test swap()
///////////////////////////////
TestSwap(stopwatch1, ss8, ss8X);
TestSwap(stopwatch2, es8, es8X);
if(i == 1)
Benchmark::AddResult("string<char8_t>/swap", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
TestSwap(stopwatch1, ss16, ss16X);
TestSwap(stopwatch2, es16, es16X);
if(i == 1)
Benchmark::AddResult("string<char16_t>/swap", stopwatch1.GetUnits(), stopwatch1.GetElapsedTime(), stopwatch2.GetElapsedTime());
}
}
}
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