зеркало из https://github.com/mozilla/gecko-dev.git
498 строки
9.9 KiB
C++
498 строки
9.9 KiB
C++
// profile_main.cpp
|
|
|
|
#include "nscore.h"
|
|
#include <iostream.h>
|
|
#include <string>
|
|
#include <iomanip>
|
|
|
|
#include "nsInt64.h"
|
|
|
|
#ifdef XP_MAC
|
|
#include <Timer.h>
|
|
#include "Profiler.h"
|
|
#else
|
|
#include "prtime.h"
|
|
#endif
|
|
|
|
#ifndef TEST_STD_STRING
|
|
#include "nsString.h"
|
|
#else
|
|
#include "nsStdStringWrapper.h"
|
|
typedef nsStdCString nsCString;
|
|
#endif
|
|
|
|
static const int kTestSucceeded = 0;
|
|
static const int kTestFailed = 1;
|
|
|
|
static const size_t N = 100000;
|
|
|
|
|
|
template <class T>
|
|
inline
|
|
PRUint32
|
|
TotalLength( const T& s )
|
|
{
|
|
return s.Length();
|
|
}
|
|
|
|
NS_SPECIALIZE_TEMPLATE
|
|
inline
|
|
PRUint32
|
|
TotalLength( const string& s )
|
|
{
|
|
return s.length();
|
|
}
|
|
|
|
template <class T>
|
|
inline
|
|
PRUint32
|
|
Find( const T& text, const T& pattern )
|
|
{
|
|
return text.Find(pattern);
|
|
}
|
|
|
|
NS_SPECIALIZE_TEMPLATE
|
|
inline
|
|
PRUint32
|
|
Find( const string& text, const string& pattern )
|
|
{
|
|
return text.find(pattern);
|
|
}
|
|
|
|
inline
|
|
nsInt64
|
|
GetTime()
|
|
{
|
|
#ifdef XP_MAC
|
|
UnsignedWide time;
|
|
Microseconds(&time);
|
|
return nsInt64( *reinterpret_cast<PRInt64*>(&time) );
|
|
#else
|
|
return nsInt64( PR_Now() );
|
|
#endif
|
|
}
|
|
|
|
class TestTimer
|
|
{
|
|
public:
|
|
TestTimer() : mStartTime(GetTime()) { }
|
|
|
|
~TestTimer()
|
|
{
|
|
nsInt64 stopTime = GetTime();
|
|
nsInt64 totalTime = stopTime - mStartTime;
|
|
#ifdef HAVE_LONG_LONG
|
|
cout << setw(10) << static_cast<PRInt64>(totalTime) << " µs : ";
|
|
#else
|
|
cout << setw(10) << static_cast<PRInt32>(totalTime) << "µs : ";
|
|
#endif
|
|
}
|
|
|
|
private:
|
|
nsInt64 mStartTime;
|
|
};
|
|
|
|
inline
|
|
int
|
|
foo( const nsCString& )
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_construction()
|
|
{
|
|
cout << endl;
|
|
|
|
{
|
|
nsCString someCString;
|
|
int total = 0;
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
total += foo( someCString );
|
|
}
|
|
}
|
|
cout << "null loop time for constructor" << endl;
|
|
|
|
|
|
{
|
|
int total = 0;
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
total += foo( nsCString() );
|
|
}
|
|
}
|
|
cout << "nsCString()" << endl;
|
|
|
|
|
|
{
|
|
int total = 0;
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
total += foo( nsCString("This is a reasonable length string with some text in it and it is good.") );
|
|
}
|
|
}
|
|
cout << "nsCString(\"abc\")" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_concat()
|
|
{
|
|
cout << endl;
|
|
|
|
//---------|---------|---------|---------|---------|---------|---------|
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
nsCString s2("This is another string that I will use in the concatenation test.");
|
|
nsCString s3("This is yet a third string that I will use in the concatenation test.");
|
|
|
|
PRUint32 len = TotalLength( s1 + s2 + s3 + s1 + s2 + s3 );
|
|
if ( len != (71 + 65 + 69 + 71 + 65 + 69) )
|
|
{
|
|
cout << "|test_concat()| FAILED" << endl;
|
|
return kTestFailed;
|
|
}
|
|
|
|
|
|
{
|
|
nsCString anEmptyCString;
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
len += TotalLength( anEmptyCString );
|
|
}
|
|
}
|
|
cout << "null loop time for concat" << endl;
|
|
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
len += TotalLength( s1 + s2 + s3 + s1 + s2 + s3 );
|
|
}
|
|
cout << "TotalLength( s1 + s2 + s3 + s1 + s2 + s3 )" << endl;
|
|
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
len += TotalLength( s1 + s2 );
|
|
}
|
|
cout << "TotalLength( s1 + s2 )" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_concat_and_assign()
|
|
{
|
|
//---------|---------|---------|---------|---------|---------|---------|
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
nsCString s2("This is another string that I will use in the concatenation test.");
|
|
nsCString s3("This is yet a third string that I will use in the concatenation test.");
|
|
|
|
nsCString s4( s1 + s2 + s3 + s1 + s2 + s3 );
|
|
if ( TotalLength(s4) != (71 + 65 + 69 + 71 + 65 + 69) )
|
|
{
|
|
cout << "|test_concat()| FAILED" << endl;
|
|
return kTestFailed;
|
|
}
|
|
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
s4 = s1 + s2 + s3 + s1 + s2 + s3;
|
|
}
|
|
cout << "s4 = s1 + s2 + s3 + s1 + s2 + s3" << endl;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
s4 = s1 + s2;
|
|
}
|
|
cout << "s4 = s1 + s2" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_compare()
|
|
{
|
|
nsCString s1("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxThis is a reasonable length string with some text in it and it is good.");
|
|
nsCString s2("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxThis is a reasonable length string with some text in it and it is bad.");
|
|
|
|
int count = 0;
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
if ( s1 > s2 )
|
|
++count;
|
|
}
|
|
cout << "s1 > s2" << endl;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
if ( s1 == s1 )
|
|
++count;
|
|
}
|
|
cout << "s1 == s1" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_countchar()
|
|
{
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
|
|
if ( s1.CountChar('e') != 5 )
|
|
{
|
|
cout << "|test_countchar()| FAILED: found a count of " << s1.CountChar('e') << endl;
|
|
return kTestFailed;
|
|
}
|
|
|
|
PRUint32 total = 0;
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
total += s1.CountChar('e');
|
|
}
|
|
cout << "s1.CountChar('e')" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_append_string()
|
|
{
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
nsCString s2("This is another string that I will use in the concatenation test.");
|
|
|
|
PRUint32 len = 0;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
nsCString s3;
|
|
s3.Append(s1);
|
|
s3.Append(s2);
|
|
len += TotalLength(s3);
|
|
}
|
|
}
|
|
cout << "s3.Append(s1); s3.Append(s2)" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_repeated_append_string()
|
|
{
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
nsCString s2("This is another string that I will use in the concatenation test.");
|
|
|
|
PRUint32 len = 0;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
nsCString s3;
|
|
for ( int j=0; j<100; ++j )
|
|
{
|
|
s3.Append(s1);
|
|
s3.Append(s2);
|
|
len += TotalLength(s3);
|
|
}
|
|
}
|
|
}
|
|
cout << "repeated s3.Append(s1); s3.Append(s2)" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_append_char()
|
|
{
|
|
cout << endl;
|
|
|
|
PRUint32 len = 0;
|
|
|
|
nsCString s1("hello");
|
|
PRUint32 oldLength = s1.Length();
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
s1.SetLength(oldLength);
|
|
}
|
|
}
|
|
cout << "null loop time for append char" << endl;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
s1.Append('e');
|
|
s1.SetLength(oldLength);
|
|
}
|
|
}
|
|
cout << "s1.Append('e')" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_repeated_append_char()
|
|
{
|
|
PRUint32 len = 0;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
nsCString s1;
|
|
for ( int j=0; j<1000; ++j )
|
|
{
|
|
s1.Append('e');
|
|
len += TotalLength(s1);
|
|
}
|
|
}
|
|
}
|
|
cout << "repeated s1.Append('e')" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
static
|
|
int
|
|
test_insert_string()
|
|
{
|
|
nsCString s1("This is a reasonable length string with some text in it and it is good.");
|
|
|
|
PRUint32 len = 0;
|
|
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
{
|
|
nsCString s2("This is another string that I will use in the concatenation test.");
|
|
s2.Insert(s1, 3);
|
|
len += TotalLength(s2);
|
|
}
|
|
}
|
|
cout << "s2.Insert(s1, 3)" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
|
|
#ifndef TEST_STD_STRING
|
|
static
|
|
int
|
|
test_find_string()
|
|
{
|
|
nsCString text("aaaaaaaaaab");
|
|
nsCString pattern("aab");
|
|
|
|
PRUint32 position = 0;
|
|
{
|
|
TestTimer timer;
|
|
for ( int i=0; i<N; ++i )
|
|
position = Find(text, pattern);
|
|
}
|
|
cout << "text.Find(pattern)" << endl;
|
|
|
|
return kTestSucceeded;
|
|
}
|
|
#endif
|
|
|
|
class Profiler
|
|
{
|
|
public:
|
|
Profiler()
|
|
{
|
|
#if 0
|
|
ProfilerInit(collectDetailed, bestTimeBase, 100, 32);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Dump( const char* output_name )
|
|
{
|
|
}
|
|
|
|
void
|
|
Dump( const unsigned char* output_name )
|
|
{
|
|
#if 0
|
|
ProfilerDump(output_name);
|
|
#endif
|
|
}
|
|
|
|
~Profiler()
|
|
{
|
|
#if 0
|
|
ProfilerDump(mOutputName);
|
|
ProfilerTerm();
|
|
#endif
|
|
}
|
|
};
|
|
|
|
int
|
|
main()
|
|
{
|
|
|
|
cout << "String performance profiling. Compiled " __DATE__ " " __TIME__ << endl;
|
|
#ifdef TEST_STD_STRING
|
|
cout << "Testing std::string." << endl;
|
|
#else
|
|
cout << "Testing factored nsString." << endl;
|
|
#endif
|
|
|
|
int tests_failed = 0;
|
|
|
|
Profiler profiler;
|
|
|
|
tests_failed += test_construction();
|
|
tests_failed += test_concat();
|
|
tests_failed += test_concat_and_assign();
|
|
tests_failed += test_compare();
|
|
tests_failed += test_countchar();
|
|
tests_failed += test_append_string();
|
|
tests_failed += test_repeated_append_string();
|
|
tests_failed += test_append_char();
|
|
tests_failed += test_repeated_append_char();
|
|
tests_failed += test_insert_string();
|
|
#ifndef TEST_STD_STRING
|
|
tests_failed += test_find_string();
|
|
#endif
|
|
|
|
#ifdef TEST_STD_STRING
|
|
profiler.Dump("\pStandard String.prof");
|
|
#else
|
|
profiler.Dump("\pFactored String.prof");
|
|
#endif
|
|
|
|
if ( tests_failed )
|
|
cout << "One or more tests FAILED. Measurements may be invalid." << endl;
|
|
|
|
cout << "End of string performance profiling." << endl;
|
|
return 0;
|
|
}
|