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67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
// Copyright (C) 2003-2014 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 <cstdio>
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#include <fstream>
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#include <testsuite_performance.h>
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int main()
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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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const unsigned long count = 1ul << 30;
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// C unlocked
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FILE* fpi = fopen("/dev/zero", "r");
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FILE* fpo = fopen("/dev/null", "w");
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start_counters(time, resource);
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for (unsigned long i = 0; i < count; ++i)
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{
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int c = getc_unlocked(fpi);
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if (c == EOF || putc_unlocked(c, fpo) == EOF)
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break;
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}
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stop_counters(time, resource);
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fclose(fpi);
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fclose(fpo);
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report_performance(__FILE__, "C unlocked", time, resource);
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clear_counters(time, resource);
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// C++
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filebuf in;
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in.open("/dev/zero", ios::in);
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filebuf out;
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out.open("/dev/null", ios::out);
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start_counters(time, resource);
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for (unsigned long i = 0; i < count; ++i)
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{
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int c = in.sbumpc();
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if (c == EOF || out.sputc(c) == EOF)
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break;
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}
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stop_counters(time, resource);
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in.close();
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out.close();
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report_performance(__FILE__, "C++", time, resource);
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return 0;
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}
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