blob: 75d12ad17d448fa4906b3997faac4534b7df0354 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <stdio.h>
#include <math.h>
#include <osl/interlck.h>
#include <osl/mutex.hxx>
#include <osl/semaphor.h>
#include <rtl/string.hxx>
#include <rtl/byteseq.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#ifdef SAL_W32
#include <windows.h>
#else
#include <sys/times.h>
#endif
#ifndef ULONG_MAX
#define ULONG_MAX 0xffffffff
#endif
using namespace ::rtl;
using namespace ::osl;
using namespace ::com::sun::star::uno;
static inline sal_uInt32 getSystemTicks()
{
#ifdef SAL_W32
return (sal_uInt32)GetTickCount();
#else // only UNX supported for now
static sal_uInt32 nImplTicksPerSecond = 0;
static double dImplTicksPerSecond;
static double dImplTicksULONGMAX;
struct tms aTms;
sal_uInt32 nTicks = (sal_uInt32)times( &aTms );
if ( !nImplTicksPerSecond )
{
nImplTicksPerSecond = CLK_TCK;
dImplTicksPerSecond = nImplTicksPerSecond;
dImplTicksULONGMAX = (double)(sal_uInt32)ULONG_MAX;
}
double fTicks = nTicks;
fTicks *= 1000;
fTicks /= dImplTicksPerSecond;
fTicks = fmod (fTicks, dImplTicksULONGMAX);
return (sal_uInt32)fTicks;
#endif
}
class MyTimer
{
public:
MyTimer( const OString &descString ) :
nStart( getSystemTicks() ),
m_descString( descString )
{
}
~MyTimer( )
{
printf( "%f s : %s\n", (getSystemTicks() -nStart) / 1000., m_descString.getStr() );
}
private:
sal_uInt32 nStart;
OString m_descString;
};
void main()
{
// interlocked count
{
MyTimer timer( "performance - 1000*10000 interlocked count" );
oslInterlockedCount count;
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
osl_atomic_increment( &count );
}
}
{
OString myDummyString( "blubber" );
MyTimer timer( "performance - 1000*10000 acquiring/releasing a refcounted string(without destruction)" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
OString myNextDummyString = myDummyString ;
}
}
printf( "--------------------\n" );
{
Mutex mutex;
MyTimer timer( "performance - 1000*10000 acquiring/releasing an osl::Mutex" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
MutexGuard guard( mutex );
}
}
{
oslSemaphore sema = osl_createSemaphore(1);
MyTimer timer( "performance - 1000*10000 acquiring/releasing an osl::Semaphore" );
for( int i = 0 ; i < 1000*10000 ; i ++ )
{
osl_acquireSemaphore( sema );
osl_releaseSemaphore( sema );
}
}
printf( "--------------------\n" );
{
MyTimer timer( "performance - 1000*10000 rtl::ByteSequence(500)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
ByteSequence seq(500);
}
}
{
MyTimer timer( "performance - 1000*1000 rtl::ByteSequence(500,BYTESEQ_NODEFAULT)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
ByteSequence seq(500, BYTESEQ_NODEFAULT);
}
}
{
MyTimer timer( "performance - 1000*1000 com::sun::star::uno::Sequence< sal_Int8 > (500)" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
Sequence< sal_Int8> seq(500);
}
}
{
MyTimer timer( "performance - 1000*1000 rtl_freeMemory( rtl_allocateMemory( 512 ) )" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
rtl_freeMemory( rtl_allocateMemory( 512 ) );
}
}
printf( "--------------------\n" );
{
MyTimer timer( "performance - 1000*1000 byte string construction/destruction" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
OString textEnc( "this is a test string" );
}
}
{
MyTimer timer( "performance - 1000*1000 unicode string construction/destruction" );
for( int i = 0 ; i < 1000*1000 ; i ++ )
{
OUString textEnc( "this is a test string" );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
