346 lines
9.9 KiB
C++
346 lines
9.9 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2007-2013. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <vector>
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#include <deque>
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#include <boost/container/vector.hpp>
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#include <boost/container/deque.hpp>
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#include <boost/container/devector.hpp>
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#include <boost/container/small_vector.hpp>
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#include <boost/container/stable_vector.hpp>
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#include <iomanip>
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#include <memory> //std::allocator
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#include <iostream> //std::cout, std::endl
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#include <cstring> //std::strcmp
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#include <boost/move/detail/nsec_clock.hpp>
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#include <typeinfo>
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#if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-result"
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#endif
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//capacity
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME capacity
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace test {
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}}
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 0
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 0
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#include <boost/intrusive/detail/has_member_function_callable_with.hpp>
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//#pragma GCC diagnostic ignored "-Wunused-result"
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#if defined(BOOST_GCC) && (BOOST_GCC >= 40600)
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#pragma GCC diagnostic pop
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#endif
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using boost::move_detail::cpu_timer;
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using boost::move_detail::cpu_times;
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using boost::move_detail::nanosecond_type;
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namespace bc = boost::container;
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class MyInt
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{
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int int_;
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public:
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BOOST_CONTAINER_FORCEINLINE explicit MyInt(int i = 0)
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: int_(i)
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{}
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BOOST_CONTAINER_FORCEINLINE MyInt(const MyInt &other)
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: int_(other.int_)
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{}
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BOOST_CONTAINER_FORCEINLINE MyInt & operator=(const MyInt &other)
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{
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int_ = other.int_;
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return *this;
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}
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BOOST_CONTAINER_FORCEINLINE ~MyInt()
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{
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int_ = 0;
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}
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};
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template<class C, bool = boost::container::test::
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has_member_function_callable_with_capacity<C>::value>
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struct capacity_wrapper
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{
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BOOST_CONTAINER_FORCEINLINE static typename C::size_type get_capacity(const C &c)
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{ return c.capacity(); }
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BOOST_CONTAINER_FORCEINLINE static void set_reserve(C &c, typename C::size_type cp)
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{ c.reserve(cp); }
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};
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template<class C>
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struct capacity_wrapper<C, false>
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{
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BOOST_CONTAINER_FORCEINLINE static typename C::size_type get_capacity(const C &)
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{ return 0u; }
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BOOST_CONTAINER_FORCEINLINE static void set_reserve(C &, typename C::size_type )
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{ }
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};
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const std::size_t RangeSize = 5;
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struct insert_end_range
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return RangeSize; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int)
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{ c.insert(c.end(), &a[0], &a[0]+RangeSize); }
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const char *name() const
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{ return "insert_end_range"; }
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MyInt a[RangeSize];
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};
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struct insert_end_repeated
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return RangeSize; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int i)
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{ c.insert(c.end(), RangeSize, MyInt(i)); }
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "insert_end_repeated"; }
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MyInt a[RangeSize];
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};
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struct push_back
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return 1; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int i)
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{ c.push_back(MyInt(i)); }
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "push_back"; }
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};
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struct emplace_back
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return 1; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int i)
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{ c.emplace_back(i); }
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "emplace_back"; }
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};
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struct insert_near_end_repeated
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return RangeSize; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int i)
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{ c.insert(c.size() >= 2*RangeSize ? c.end()-2*RangeSize : c.begin(), RangeSize, MyInt(i)); }
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "insert_near_end_repeated"; }
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};
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struct insert_near_end_range
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return RangeSize; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int)
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{
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c.insert(c.size() >= 2*RangeSize ? c.end()-2*RangeSize : c.begin(), &a[0], &a[0]+RangeSize);
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}
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "insert_near_end_range"; }
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MyInt a[RangeSize];
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};
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struct insert_near_end
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{ return 1; }
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C &c, int i)
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{
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typedef typename C::iterator it_t;
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it_t it (c.end());
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it -= static_cast<typename C::difference_type>(c.size() >= 2)*2;
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c.insert(it, MyInt(i));
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}
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BOOST_CONTAINER_FORCEINLINE const char *name() const
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{ return "insert_near_end"; }
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};
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struct emplace_near_end
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{
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BOOST_CONTAINER_FORCEINLINE std::size_t capacity_multiplier() const
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{
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return 1;
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}
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template<class C>
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BOOST_CONTAINER_FORCEINLINE void operator()(C& c, int i)
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{
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typedef typename C::iterator it_t;
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it_t it(c.end());
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it -= static_cast<typename C::difference_type>(c.size() >= 2) * 2;
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c.emplace(it, i);
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}
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BOOST_CONTAINER_FORCEINLINE const char* name() const
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{
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return "emplace_near_end";
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}
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};
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template<class Container, class Operation>
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void vector_test_template(std::size_t num_iterations, std::size_t num_elements, const char *cont_name, bool prereserve = true)
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{
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typedef capacity_wrapper<Container> cpw_t;
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Operation op;
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const typename Container::size_type multiplier = op.capacity_multiplier();
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Container c;
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if (prereserve) {
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cpw_t::set_reserve(c, num_elements);
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}
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cpu_timer timer;
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const std::size_t max = num_elements/multiplier;
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for(std::size_t r = 0; r != num_iterations; ++r){
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//Unroll the loop to avoid noise from loop code
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int i = 0;
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if (r > 0) //Exclude first iteration to avoid noise
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timer.resume();
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for(std::size_t e = 0; e < max/16; ++e){
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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op(c, static_cast<int>(i++));
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}
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if (r > 0)
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timer.stop();
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c.clear();
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}
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timer.stop();
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std::size_t capacity = cpw_t::get_capacity(c);
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nanosecond_type nseconds = timer.elapsed().wall;
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std::cout << cont_name << "->" << op.name() <<" ns: "
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<< std::setw(8)
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<< float(nseconds)/float((num_iterations-1)*num_elements)
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<< '\t'
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<< "Capacity: " << capacity
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<< std::endl;
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}
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template<class Operation>
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void test_vectors()
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{
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//#define SINGLE_TEST
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#define SIMPLE_IT
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#ifdef SINGLE_TEST
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#ifdef NDEBUG
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std::size_t numit [] = { 1000 };
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#else
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std::size_t numit [] = { 20 };
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#endif
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std::size_t numele [] = { 100000 };
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#elif defined SIMPLE_IT
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std::size_t numit [] = { 100 };
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std::size_t numele [] = { 100000 };
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#else
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#ifdef NDEBUG
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unsigned int numit [] = { 1000, 10000, 100000, 1000000 };
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#else
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unsigned int numit [] = { 100, 1000, 10000, 100000 };
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#endif
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unsigned int numele [] = { 10000, 1000, 100, 10 };
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#endif
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//#define PRERESERVE_ONLY
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#ifdef PRERESERVE_ONLY
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#define P_INIT 1
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#else
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#define P_INIT 0
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#endif
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for (unsigned p = P_INIT; p != 2; ++p) {
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std::cout << Operation().name() << ", prereserve: " << (p ? "1" : "0") << "\n" << std::endl;
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const bool bp =p != 0;
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for(unsigned int i = 0; i < sizeof(numele)/sizeof(numele[0]); ++i){
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vector_test_template< std::vector<MyInt, std::allocator<MyInt> >, Operation >(numit[i], numele[i], "std::vector ", bp);
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vector_test_template< bc::vector<MyInt, std::allocator<MyInt> >, Operation >(numit[i], numele[i] , "vector ", bp);
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vector_test_template< bc::small_vector<MyInt, 0, std::allocator<MyInt> >, Operation >(numit[i], numele[i], "small_vector ", bp);
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vector_test_template< bc::devector<MyInt, std::allocator<MyInt> >, Operation >(numit[i], numele[i], "devector ", bp);
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//vector_test_template< std::deque<MyInt, std::allocator<MyInt> >, Operation >(numit[i], numele[i], "std::deque ", bp);
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vector_test_template< bc::deque<MyInt, std::allocator<MyInt> >, Operation >(numit[i], numele[i], "deque ", bp);
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}
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std::cout << "---------------------------------\n---------------------------------\n";
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}
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}
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int main()
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{
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//end
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test_vectors<push_back>();
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test_vectors<insert_end_range>();
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test_vectors<insert_end_repeated>();
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//near end
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test_vectors<insert_near_end>();
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test_vectors<insert_near_end_range>();
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test_vectors<insert_near_end_repeated>();
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#if BOOST_CXX_VERSION >= 201103L
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test_vectors<emplace_back>();
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test_vectors<emplace_near_end>();
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#endif
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return 0;
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}
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