// -*- C++ -*-
// Copyright (C) 2005-2015 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
// .
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file modify_test.hpp
* Contains a modify performance test.
*/
#ifndef PB_DS_JOIN_TEST_HPP
#define PB_DS_JOIN_TEST_HPP
#include
#include
#include
#include
#include
namespace __gnu_pbds
{
namespace test
{
namespace detail
{
// Primary templates.
template
class push_functor
{
public:
push_functor(It ins_it_b, It ins_it_e)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
{ }
void
operator()(std::size_t resolution)
{
typedef typename Cntnr::point_iterator point_iterator;
typedef typename Cntnr::const_reference const_reference;
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
typedef std::vector it_vec_t;
it_vec_t m_a_its;
for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
m_a_its.push_back(c.push(const_reference(ins_it->first)));
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
};
template
class push_modify_functor
{
private:
typedef typename Cntnr::point_iterator point_iterator;
typedef typename Cntnr::const_reference const_reference;
typedef typename Cntnr::value_type value_type;
public:
push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
{ }
void
operator()(std::size_t resolution)
{
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
typedef std::vector it_vec_t;
it_vec_t m_a_its;
for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
m_a_its.push_back(c.push(const_reference(ins_it->first)));
typename it_vec_t::iterator mod_it = m_a_its.begin();
while (mod_it != m_a_its.end())
c.modify(*mod_it++, m_mod_val);
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
const value_type m_mod_val;
};
// Specializations.
template
class push_functor
{
public:
push_functor(It ins_it_b, It ins_it_e)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
{ }
void
operator()(std::size_t resolution)
{
typedef typename Cntnr::const_reference const_reference;
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
c.push(const_reference(ins_it->first));
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
};
template
class push_functor
{
public:
push_functor(It ins_it_b, It ins_it_e)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e)
{ }
void
operator()(std::size_t resolution)
{
typedef typename Cntnr::const_reference const_reference;
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
for (It ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
c.push(const_reference(ins_it->first));
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
};
template
class push_modify_functor
{
private:
typedef typename Cntnr::iterator iterator;
typedef typename Cntnr::const_reference const_reference;
typedef typename Cntnr::value_type value_type;
public:
push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
{ }
void
operator()(std::size_t resolution)
{
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
It ins_it;
for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
c.push(const_reference(ins_it->first));
for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
{
bool modified = false;
for (iterator it = c.begin(); !modified && it != c.end(); ++it)
if (*it == ins_it->first)
{
c.modify(it, m_mod_val);
modified = true;
}
}
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
const value_type m_mod_val;
};
template
class push_modify_functor
{
private:
typedef typename Cntnr::value_type value_type;
typedef typename Cntnr::const_reference const_reference;
public:
push_modify_functor(It ins_it_b, It ins_it_e, value_type mod_val)
: m_ins_it_b(ins_it_b), m_ins_it_e(ins_it_e), m_mod_val(mod_val)
{ }
void
operator()(std::size_t resolution)
{
for (std::size_t i = 0; i < resolution; ++i)
{
Cntnr c;
It ins_it;
for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
c.push(const_reference(ins_it->first));
for (ins_it = m_ins_it_b; ins_it != m_ins_it_e; ++ins_it)
c.modify(ins_it->first, m_mod_val);
}
}
private:
const It m_ins_it_b;
const It m_ins_it_e;
const value_type m_mod_val;
};
} // namespace detail
template
class modify_test : private __gnu_pbds::test::detail::timing_test_base
{
public:
modify_test(It b, size_t vn, size_t vs, size_t vm, bool modify_up)
: m_ins_b(b), m_ins_vn(vn), m_ins_vs(vs), m_ins_vm(vm),
m_modify_up(modify_up)
{ }
template
void
operator()(Cntnr);
private:
modify_test(const modify_test&);
template
void
modify(Cntnr, It ins_it_b, It ins_it_e)
{
typedef typename Cntnr::const_reference const_reference;
Cntnr cntnr;
for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
cntnr.modify(const_reference(*ins_it));
}
const It m_ins_b;
const size_t m_ins_vn;
const size_t m_ins_vs;
const size_t m_ins_vm;
const bool m_modify_up;
};
template
template
void
modify_test::
operator()(Cntnr)
{
typedef typename Cntnr::value_type value_type;
typedef typename Cntnr::container_category container_category;
typedef typename Cntnr::const_reference const_reference;
typedef detail::timing_test_base timing_test_base;
typedef detail::push_functor psh_fnct;
typedef detail::push_modify_functor psh_mod_fnct;
typedef xml_result_set_performance_formatter formatter_type;
formatter_type res_set_fmt(string_form::name(),
string_form::desc());
for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
{
const size_t v = m_ins_vn + i * m_ins_vs;
It b = m_ins_b;
It e = m_ins_b;
std::advance(e, v);
psh_fnct psh_fn(b, e);
const double psh_res = timing_test_base::operator()(psh_fn);
value_type val = b->first;
{
Cntnr mod_val_container;
for (It mod_val_it = b; mod_val_it != e; ++mod_val_it)
{
value_type pot = mod_val_it->first;
if (m_modify_up == mod_val_container.get_cmp_fn()(val, pot))
val = pot;
}
}
psh_mod_fnct psh_mod_fn(b, e, val);
const double psh_mod_res = timing_test_base::operator()(psh_mod_fn);
const double min_res = double(timing_test_base::min_time_res());
const double effective_delta = std::max(psh_mod_res - psh_res,
min_res);
res_set_fmt.add_res(v, effective_delta / v);
}
}
} // namespace test
} // namespace __gnu_pbds
#endif