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Diffstat (limited to 'libstdc++-v3/testsuite/performance/ext/pb_ds/random_int_subscript_insert_timing.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/performance/ext/pb_ds/random_int_subscript_insert_timing.cc | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/performance/ext/pb_ds/random_int_subscript_insert_timing.cc b/libstdc++-v3/testsuite/performance/ext/pb_ds/random_int_subscript_insert_timing.cc new file mode 100644 index 00000000000..60e16dd1bcc --- /dev/null +++ b/libstdc++-v3/testsuite/performance/ext/pb_ds/random_int_subscript_insert_timing.cc @@ -0,0 +1,134 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 2, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. + +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file random_int_subscript_insert_timing_test.cpp + * Contains test for subscripting random integers. + */ + +#include <ext/pb_ds/detail/typelist.hpp> +#include <performance/io/xml_formatter.hpp> +#include <native_type/assoc/native_hash_map.hpp> +#include <native_type/assoc/native_map.hpp> +#include <io/verified_cmd_line_input.hpp> +#include <rng/twister_rand_gen.hpp> +#include <common_type/assoc/common_type.hpp> +#include <performance/assoc/timing/subscript_insert_test.hpp> +#include <ext/pb_ds/detail/typelist.hpp> +#include <iostream> +#include <vector> + +void +usage(); + +int +main(int argc, char* a_p_argv[]) +{ + using namespace pb_ds::test; + size_t vn = 200; + size_t vs = 200; + size_t vm = 2100; + + try + { + xml_test_performance_formatter fmt("Size", "Average time (sec.)"); + + typedef std::vector<std::pair<int, size_t> > vec_t; + vec_t a_v(vm); + twister_rand_gen g; + + for (size_t i = 0; i < vm; ++i) + a_v[i] = std::make_pair(static_cast<int>(g.get_unsigned_long()), 0); + vec_t::const_iterator b = a_v.begin(); + + typedef subscript_insert_test<vec_t::const_iterator> test_t; + test_t tst(b, b, vn, vs, vm, vn, vs, vm); + { + typedef hash_common_types<int, size_t>::performance_tl tl_t; + tl_t tl; + pb_ds::detail::typelist_apply(tst, tl); + } + + { + typedef tree_common_types<int, size_t>::performance_tl tl_t; + tl_t tl; + pb_ds::detail::typelist_apply(tst, tl); + } + + { + typedef native_hash_map< int, size_t> native_t; + tst(pb_ds::detail::type_to_type<native_t>()); + } + + { + typedef native_map< int, size_t> native_t; + tst(pb_ds::detail::type_to_type<native_t>()); + } + } + catch(...) + { + std::cerr << "Test failed" << std::endl; + return -1; + } + return 0; +} + +void +usage() +{ + using namespace std; + cerr << "usage: hash_random_int_subscript_insert_timing_test <vn> <vs> <vm>" + << endl << endl; + + cerr << + "This test checks the performance of various associative containers " + "using their find method. " << endl; + cerr << "Specifically, it does the following:" << endl; + cerr << "* Creates a vector of random integers " << endl; + cerr << "* Inserts the elements into the container" << endl; + cerr << "* Repeats the above test a number of times" << endl; + + cerr << endl << endl; + + cerr << "vn = minimum size of the vector" << endl; + cerr << "vs = step size of the vector" << endl; + cerr << "vm = maximum size of the vector" << endl; +} |