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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [performance/] [27_io/] [filebuf_sputc.cc] - Blame information for rev 848

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Line No. Rev Author Line
1 742 jeremybenn
// Copyright (C) 2003, 2009, 2011 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 <unistd.h>
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#include <cstdio>
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#include <fstream>
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#include <testsuite_performance.h>
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// libstdc++/9876
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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 int iterations = 100000000;
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  // C
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  FILE* file = fopen("tmp", "w+");
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  start_counters(time, resource);
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  for (int i = 0; i < iterations; ++i)
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    putc(i % 100, file);
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  stop_counters(time, resource);
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  fclose(file);
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  report_performance(__FILE__, "C", time, resource);
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  clear_counters(time, resource);
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  // C unlocked
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  file = fopen("tmp", "w+");
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  start_counters(time, resource);
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  for (int i = 0; i < iterations; ++i)
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    putc_unlocked(i % 100, file);
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  stop_counters(time, resource);
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  fclose(file);
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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 buf;
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  buf.open("tmp", ios_base::out | ios_base::in | ios_base::trunc);
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  start_counters(time, resource);
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  for (int i = 0; i < iterations; ++i)
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    buf.sputc(i % 100);
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  stop_counters(time, resource);
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  report_performance(__FILE__, "C++", time, resource);
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  unlink("tmp");
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  return 0;
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}

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