1 // Copyright (C) 2004 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 2, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // As a special exception, you may use this file as part of a free software
20 // library without restriction. Specifically, if other files instantiate
21 // templates or use macros or inline functions from this file, or you compile
22 // this file and link it with other files to produce an executable, this
23 // file does not by itself cause the resulting executable to be covered by
24 // the GNU General Public License. This exception does not however
25 // invalidate any other reasons why the executable file might be covered by
26 // the GNU General Public License.
29 * The goal with this application is to compare the performance
30 * between different std::allocator implementations. The results are
31 * influenced by the underlying allocator in the "C" library, malloc.
34 // libstdc++/13823 recast for this testing framework
40 #include <ext/mt_allocator.h>
41 #include <ext/new_allocator.h>
42 #include <ext/malloc_allocator.h>
43 #include <ext/bitmap_allocator.h>
45 #include <testsuite_performance.h>
48 using __gnu_cxx::__mt_alloc;
49 using __gnu_cxx::new_allocator;
50 using __gnu_cxx::malloc_allocator;
51 using __gnu_cxx::bitmap_allocator;
53 // The number of iterations to be performed.
54 int iterations = 10000;
56 template<typename Container>
58 do_loop(void* p = NULL)
62 for (int c = 0; c < 10; c++)
66 for (unsigned i = 0; i < iterations; ++i)
72 // No point allocating all available memory, repeatedly.
76 template<typename Container>
78 test_container(Container obj)
80 using namespace __gnu_test;
84 resource_counter resource;
86 clear_counters(time, resource);
87 start_counters(time, resource);
89 pthread_t t1, t2, t3, t4;
90 pthread_create(&t1, NULL, &do_loop<Container>, NULL);
91 pthread_create(&t2, NULL, &do_loop<Container>, NULL);
92 pthread_create(&t3, NULL, &do_loop<Container>, NULL);
93 pthread_create(&t4, NULL, &do_loop<Container>, NULL);
95 pthread_join(t1, NULL);
96 pthread_join(t2, NULL);
97 pthread_join(t3, NULL);
98 pthread_join(t4, NULL);
100 stop_counters(time, resource);
102 std::ostringstream comment;
103 comment << "iterations: " << iterations << '\t';
104 comment << "type: " << abi::__cxa_demangle(typeid(obj).name(),
106 report_header(__FILE__, comment.str());
107 report_performance(__FILE__, string(), time, resource);
113 test_container(map<int, int>());
116 test_container(map<int, int, less<const int>, new_allocator<int> >());
119 test_container(map<int, int, less<const int>, malloc_allocator<int> >());
122 test_container(map<int, int, less<const int>,
123 __mt_alloc< pair<const int, int> > >());
126 test_container(map<int, int, less<const int>, bitmap_allocator<int> >());