X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2Fperformance%2F25_algorithms%2Fsearch_n.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2Fperformance%2F25_algorithms%2Fsearch_n.cc;h=13bc6ad9f293709e1ea8092acfcd6a5308a5d29f;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc b/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc new file mode 100644 index 00000000..13bc6ad9 --- /dev/null +++ b/libstdc++-v3/testsuite/performance/25_algorithms/search_n.cc @@ -0,0 +1,63 @@ +// Copyright (C) 2004, 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 +// . + + +#define DISABLE_ITERATOR_DEBUG 1 + +#include +#include +#include + +#include +#include +#include + +using namespace std; +using namespace __gnu_test; + +const int length = 10000000; +const int match_length = 3; +int array[length]; + +int +main(void) +{ + time_counter time; + resource_counter resource; + int match = rand() % (match_length - 1); + for(int i = 0; i < length; i++) + { + array[i] = (match != 0) ? 1 : 0; + if(--match < 0) match = rand() % (match_length - 1); + } + __gnu_test::test_container fcon(array, array + length); + start_counters(time, resource); + for(int i = 0; i < 100; i++) + search_n(fcon.begin(), fcon.end(), 10, 1); + stop_counters(time, resource); + report_performance(__FILE__, "forward iterator", time, resource); + clear_counters(time, resource); + + __gnu_test::test_container rcon(array, array + length); + start_counters(time, resource); + for(int i = 0; i < 100; i++) + search_n(rcon.begin(), rcon.end(), 10, 1); + stop_counters(time, resource); + report_performance(__FILE__, "random acess iterator", time, resource); + clear_counters(time, resource); +} +