3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file hash_zlob_random_int_find_timing_test.cpp
34 * Contains test for finding random integers.
37 #include <ext/typelist.h>
38 #include <performance/io/xml_formatter.hpp>
39 #include <native_type/native_hash_set.hpp>
40 #include <io/verified_cmd_line_input.hpp>
41 #include <testsuite_rng.h>
42 #include <common_type/assoc/common_type.hpp>
43 #include <performance/assoc/timing/find_test.hpp>
51 main(int argc, char* a_p_argv[])
53 using namespace __gnu_pbds::test;
60 xml_test_performance_formatter fmt("Size", "Average time (sec.)");
62 typedef std::vector<std::pair<int, char> > vec_t;
66 for (size_t i = 0; i < vm; ++i)
68 int k = static_cast<int>(g.get_unsigned_long());
69 a_v[i] = std::make_pair(k << 8, 0);
70 if ((a_v[i].first& 127) != 0)
71 throw std::logic_error("Fucked!");
74 vec_t::const_iterator b = a_v.begin();
75 typedef find_test<vec_t::const_iterator> test_t;
76 test_t tst(b, b, vn, vs, vm, vn, vs, vm);
78 typedef native_hash_map<int, char> native_t;
83 typedef hash_common_types<int, char>::performance_tl tl_t;
85 __gnu_cxx::typelist::apply(tst, tl);
90 std::cerr << "Test failed" << std::endl;
100 cerr << "usage: hash_zlob_random_int_find_timing_test <vn> <vs> <vm>" <<
104 "This test checks the performance of various associative containers "
105 "using their find method. " << endl;
106 cerr << "Specifically, it does the following:" << endl;
107 cerr << "* Creates a vector of zero low-order bit random integers " << endl;
108 cerr << "* Inserts the elements into the container" << endl;
109 cerr << "* Performs a sequence of find operations. At each iteration, "
110 "it finds, for each integer in the vector, its entry in the "
111 "container, using the find method";
112 cerr << "* Repeats the above test a number of times" << endl;
114 cerr << endl << endl;
116 cerr << "vn = minimum size of the vector" << endl;
117 cerr << "vs = step size of the vector" << endl;
118 cerr << "vm = maximum size of the vector" << endl;