3 // Copyright (C) 2005-2016 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
;