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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/performance/23_containers/create_from_sorted/set.cc
1 // Copyright (C) 2003-2014 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 3, 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 COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
19 #include <testsuite_performance.h>
21 template<typename Container
, int Iter
>
25 typedef int test_type
;
26 typedef Container container_type
;
27 static const unsigned max_size
= 250000; // avoid excessive swap file use!
28 static const unsigned iterations
= 10; // make results less random while
29 static const unsigned step
= 50000; // keeping the total time reasonable
31 std::vector
<test_type
> v(max_size
, 0);
32 for (test_type i
= 0; i
!= max_size
; ++i
)
33 v
[i
] = i
; // initialize sorted array
35 for (test_type count
= step
; count
<= max_size
; count
+= step
)
37 // Measure set construction time (linear in count (Table 69))
38 for (test_type i
= 0; i
!= iterations
; ++i
)
39 container_type(v
.begin(), v
.begin() + count
);
47 #define thread_type false
51 #define thread_type true
54 typedef __gnu_test::sets
<int, thread_type
>::type container_types
;
55 typedef test_sequence
<thread_type
> test_type
;
56 test_type
test("create_from_sorted");
57 __gnu_cxx::typelist::apply(test
, container_types());