URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [performance/] [ext/] [pb_ds/] [hash_random_int_erase_mem_usage.cc] - Rev 516
Compare with Previous | Blame | View Log
// -*- C++ -*- // Copyright (C) 2005, 2006, 2009 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 3, 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 COPYING3. If not see // <http://www.gnu.org/licenses/>. // 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 hash_random_int_erase_mem_usage_test.cpp * Contains test for erasing random integers. */ #include <ext/typelist.h> #include <testsuite_allocator.h> #include <performance/io/xml_formatter.hpp> #include <io/verified_cmd_line_input.hpp> #include <testsuite_rng.h> #include <common_type/assoc/common_type.hpp> #include <performance/assoc/mem_usage/erase_test.hpp> #include <iostream> #include <vector> #include <functional> struct int_hash : public std::unary_function<int, int> { inline int operator()(int i) const { return i; } }; void usage(); int main(int argc, char* a_p_argv[]) { using namespace __gnu_pbds::test; size_t vn = 200; size_t vs = 200; size_t vm = 2100; try { xml_test_performance_formatter fmt("Size", "Memory (bytes)"); typedef std::vector<int> vec_t; vec_t a_v(vm); twister_rand_gen g; for (size_t i = 0; i < vm; ++i) a_v[i] = static_cast<int>(g.get_unsigned_long()); vec_t::const_iterator b = a_v.begin(); erase_test<vec_t::const_iterator> tst(b, vn, vs, vm); typedef __gnu_test::tracker_allocator<char> alloc_t; { typedef hash_common_types<int, __gnu_pbds::null_mapped_type, int_hash, std::equal_to<int>, alloc_t>::performance_tl tl_t; tl_t tl; __gnu_cxx::typelist::apply(tst, tl); } { typedef native_hash_set<int, 8, int_hash, std::equal_to<int>, std::less<int>, alloc_t> native_t; tst(native_t()); } } catch (...) { std::cerr << "Test failed" << std::endl; return -1; } return 0; } void usage() { using namespace std; cerr << "usage: hash_random_int_erase_if_test <vn> <vs> <vm>" << endl << endl; cerr << "This test checks the performance of various associative containers " "using their erase 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 << "* Erases all the elements, except one, from the constainer" << 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; }