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string_copy_cons_and_dest.cc: New.

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2006-07-13  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/performance/21_strings/string_copy_cons_and_dest.cc: New.

From-SVN: r115425
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Paolo Carlini 2006-07-13 23:41:06 +00:00 committed by Paolo Carlini
parent 263108e10f
commit 21ded7c71e
2 changed files with 65 additions and 0 deletions
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libstdc++-v3/ChangeLog
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2006-07-13 Paolo Carlini <pcarlini@suse.de>
* testsuite/performance/21_strings/string_copy_cons_and_dest.cc: New.
2006-07-13 Benjamin Kosnik <bkoz@redhat.com>
* include/Makefile.am (pch*_output_anchor): Add.

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libstdc++-v3/testsuite/performance/21_strings/string_copy_cons_and_dest.cc Normal file
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// Copyright (C) 2006 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
#include <string>
#include <testsuite_performance.h>
void benchmark(long len)
{
using namespace std;
using namespace __gnu_test;
time_counter time;
resource_counter resource;
start_counters(time, resource);
string a("1");
for (long i = 0; i < len; ++i)
{
string ss1(a);
string ss2(ss1);
string ss3(ss2);
string ss4(ss3);
string ss5(ss4);
}
stop_counters(time, resource);
report_performance(__FILE__, "", time, resource);
clear_counters(time, resource);
}
int main()
{
benchmark(1000000);
benchmark(10000000);
benchmark(100000000);
return 0;
}