LCOV - code coverage report
Current view: top level - tests - refPtr.cpp (source / functions) Hit Total Coverage
Test: Lunchbox Lines: 101 101 100.0 %
Date: 2016-03-29 17:09:06 Functions: 20 23 87.0 %

          Line data    Source code
       1             : 
       2             : /* Copyright (c) 2006-2013, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *               2012-2013, Daniel Nachbaur <danielnachbaur@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #define TEST_RUNTIME 300 // seconds
      20             : #include <test.h>
      21             : #include <lunchbox/clock.h>
      22             : #include <lunchbox/refPtr.h>
      23             : #include <lunchbox/referenced.h>
      24             : #include <lunchbox/thread.h>
      25             : #include <iostream>
      26             : 
      27             : #include <boost/intrusive_ptr.hpp>
      28             : #include <boost/make_shared.hpp>
      29             : #include <boost/shared_ptr.hpp>
      30             : #include <boost/serialization/access.hpp>
      31             : #include <boost/archive/text_oarchive.hpp>
      32             : #include <boost/archive/text_iarchive.hpp>
      33             : 
      34             : #define NTHREADS 24
      35             : #define NREFS    200000
      36             : 
      37             : class Foo : public lunchbox::Referenced
      38             : {
      39             : public:
      40           4 :     Foo() {}
      41             : 
      42             : private:
      43           8 :     virtual ~Foo() {}
      44             : 
      45             :     friend class boost::serialization::access;
      46           2 :     template< class Archive > void serialize( Archive&, unsigned int ) {}
      47             : };
      48             : 
      49             : typedef lunchbox::RefPtr<Foo> FooPtr;
      50           1 : FooPtr foo;
      51             : 
      52          48 : class TestThread : public lunchbox::Thread
      53             : {
      54             : public:
      55          24 :     virtual void run()
      56             :         {
      57          24 :             FooPtr myFoo;
      58     2460446 :             for( size_t i = 0; i<NREFS; ++i )
      59             :             {
      60     2460422 :                 myFoo = foo;
      61     2545120 :                 foo   = myFoo;
      62     2794891 :                 myFoo = 0;
      63          24 :             }
      64          24 :         }
      65             : };
      66             : 
      67             : typedef boost::intrusive_ptr<Foo> BoostPtr;
      68           1 : BoostPtr bFoo;
      69             : 
      70          48 : class BThread : public lunchbox::Thread
      71             : {
      72             : public:
      73          24 :     virtual void run()
      74             :         {
      75          24 :             BoostPtr myBoost;
      76     3310867 :             for( size_t i = 0; i<NREFS; ++i )
      77             :             {
      78     3310843 :                 myBoost = bFoo;
      79     3335071 :                 bFoo    = myBoost;
      80     3338016 :                 myBoost = 0;
      81          24 :             }
      82          24 :         }
      83             : };
      84             : 
      85             : class Bar : public lunchbox::Referenced
      86             : {
      87             : public:
      88           2 :     Bar() {}
      89           3 :     virtual ~Bar() {}
      90             : };
      91             : 
      92             : typedef boost::shared_ptr<Bar> BarPtr;
      93           1 : BarPtr bBar;
      94             : 
      95          48 : class BarThread : public lunchbox::Thread
      96             : {
      97             : public:
      98          48 :     virtual void run()
      99             :         {
     100          48 :             BarPtr myBar;
     101     7165684 :             for( size_t i = 0; i<NREFS; ++i )
     102             :             {
     103     7165636 :                 myBar = bBar;
     104     4345937 :                 bBar  = myBar;
     105     7248309 :                 myBar.reset();
     106          48 :             }
     107          48 :         }
     108             : };
     109             : 
     110           1 : int main( int, char** )
     111             : {
     112           1 :     foo = new Foo;
     113             : 
     114          25 :     TestThread threads[NTHREADS];
     115           2 :     lunchbox::Clock clock;
     116          25 :     for( size_t i=0; i<NTHREADS; ++i )
     117          24 :         TEST( threads[i].start( ));
     118             : 
     119          25 :     for( size_t i=0; i<NTHREADS; ++i )
     120          24 :         TEST( threads[i].join( ));
     121             : 
     122           1 :     const float time = clock.getTimef();
     123           1 :     std::cout << time << " ms for " << 3*NREFS << " lunchbox::RefPtr operations"
     124           1 :               << " in " << NTHREADS << " threads ("
     125           2 :               << time/(3*NREFS*NTHREADS)*1000000 << "ns/op)" << std::endl;
     126             : 
     127           1 :     TEST( foo->getRefCount() == 1 );
     128             : 
     129           1 :     bFoo = new Foo;
     130           2 :     BThread bThreads[NTHREADS];
     131           1 :     clock.reset();
     132          25 :     for( size_t i=0; i<NTHREADS; ++i )
     133          24 :         TEST( bThreads[i].start( ));
     134             : 
     135          25 :     for( size_t i=0; i<NTHREADS; ++i )
     136          24 :         TEST( bThreads[i].join( ));
     137             : 
     138           1 :     const float bTime = clock.getTimef();
     139           1 :     std::cout << bTime << " ms for " << 3*NREFS << " boost::intrusive_ptr ops "
     140           1 :               << "in " << NTHREADS << " threads ("
     141           2 :               << bTime/(3*NREFS*NTHREADS)*1000000 << "ns/op)" << std::endl;
     142             : 
     143           1 :     TEST( bFoo->getRefCount() == 1 );
     144             : 
     145           2 :     boost::intrusive_ptr< Foo > boostFoo( foo.get( ));
     146           1 :     TEST( foo->getRefCount() == 2 );
     147             : 
     148           1 :     boostFoo = 0;
     149           1 :     TEST( foo->getRefCount() == 1 );
     150             : 
     151           1 :     bBar = BarPtr( new Bar );
     152           2 :     BarThread barThreads[NTHREADS];
     153             : 
     154           1 :     clock.reset();
     155          25 :     for( size_t i=0; i<NTHREADS; ++i )
     156          24 :         TEST( barThreads[i].start( ));
     157             : 
     158          25 :     for( size_t i=0; i<NTHREADS; ++i )
     159          24 :         TEST( barThreads[i].join( ));
     160             : 
     161           1 :     const float barTime = clock.getTimef();
     162           1 :     std::cout << barTime << " ms for " << 3*NREFS <<" boost::shared_ptr ops in "
     163           2 :               << NTHREADS << " threads (" << barTime/(3*NREFS*NTHREADS)*1000000
     164           1 :               << "ns/op)" << std::endl;
     165             : 
     166           1 :     bBar = boost::make_shared< Bar >();
     167           1 :     clock.reset();
     168          25 :     for( size_t i=0; i<NTHREADS; ++i )
     169          24 :         TEST( barThreads[i].start( ));
     170             : 
     171          25 :     for( size_t i=0; i<NTHREADS; ++i )
     172          24 :         TEST( barThreads[i].join( ));
     173             : 
     174           1 :     const float barTime2 = clock.getTimef();
     175           1 :     std::cout << barTime2 << " ms for " << 3*NREFS<<" boost::shared_ptr ops in "
     176           2 :               << NTHREADS << " threads (" << barTime2/(3*NREFS*NTHREADS)*1000000
     177           1 :               << "ns/op) using make_shared" << std::endl;
     178             : 
     179           1 :     foo = 0;
     180             : 
     181           2 :     FooPtr inFoo1( new Foo );
     182           1 :     TEST( inFoo1->getRefCount() == 1 );
     183           2 :     FooPtr inFoo2 = inFoo1;
     184           1 :     TEST( inFoo2->getRefCount() == 2 );
     185           2 :     FooPtr outFoo1;
     186           2 :     std::stringstream stream;
     187           2 :     boost::archive::text_oarchive oar( stream );
     188           1 :     oar & inFoo1;
     189           2 :     boost::archive::text_iarchive iar( stream );
     190           1 :     iar & outFoo1;
     191           1 :     TEST( outFoo1->getRefCount() == 1 );
     192           2 :     FooPtr outFoo2 = outFoo1;
     193           1 :     TEST( outFoo2->getRefCount() == 2 );
     194             : 
     195          26 :     return EXIT_SUCCESS;
     196           3 : }

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