52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
// Copyright (C) 2004-2019 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <sstream>
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#include <testsuite_performance.h>
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// libstdc++/16401 ostringstream in gcc 3.4.x very slow for big data
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void test01()
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{
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using namespace std;
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using namespace __gnu_test;
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time_counter time;
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resource_counter resource;
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for(unsigned n = 10000; n <= 10000000; n *= 10)
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{
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ostringstream oss;
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oss << "size = " << n;
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ostringstream str;
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start_counters(time, resource);
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for(unsigned i = 0; i < n; ++i)
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str << 'a';
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stop_counters(time, resource);
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report_performance(__FILE__, oss.str(), time, resource);
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clear_counters(time, resource);
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}
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}
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int main()
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{
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test01();
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return 0;
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}
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