mirror of https://github.com/GOSTSec/ccminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
2.9 KiB
101 lines
2.9 KiB
11 years ago
|
/*
|
||
|
|
* Copyright 2008-2012 NVIDIA Corporation
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in ctbbliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <thrust/detail/config.h>
|
||
|
|
#include <thrust/detail/static_assert.h>
|
||
|
|
#include <thrust/distance.h>
|
||
|
|
#include <thrust/iterator/iterator_traits.h>
|
||
|
|
#include <thrust/distance.h>
|
||
|
|
#include <thrust/system/detail/internal/scalar/for_each.h>
|
||
|
|
#include <tbb/blocked_range.h>
|
||
|
|
#include <tbb/parallel_for.h>
|
||
|
|
|
||
|
|
namespace thrust
|
||
|
|
{
|
||
|
|
namespace system
|
||
|
|
{
|
||
|
|
namespace tbb
|
||
|
|
{
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
namespace for_each_detail
|
||
|
|
{
|
||
|
|
|
||
|
|
template<typename RandomAccessIterator,
|
||
|
|
typename Size,
|
||
|
|
typename UnaryFunction>
|
||
|
|
struct body
|
||
|
|
{
|
||
|
|
RandomAccessIterator m_first;
|
||
|
|
UnaryFunction m_f;
|
||
|
|
|
||
|
|
body(RandomAccessIterator first, UnaryFunction f)
|
||
|
|
: m_first(first), m_f(f)
|
||
|
|
{}
|
||
|
|
|
||
|
|
void operator()(const ::tbb::blocked_range<Size> &r) const
|
||
|
|
{
|
||
|
|
// we assume that blocked_range specifies a contiguous range of integers
|
||
|
|
thrust::system::detail::internal::scalar::for_each_n(m_first + r.begin(), r.size(), m_f);
|
||
|
|
} // end operator()()
|
||
|
|
}; // end body
|
||
|
|
|
||
|
|
|
||
|
|
template<typename Size, typename RandomAccessIterator, typename UnaryFunction>
|
||
|
|
body<RandomAccessIterator,Size,UnaryFunction>
|
||
|
|
make_body(RandomAccessIterator first, UnaryFunction f)
|
||
|
|
{
|
||
|
|
return body<RandomAccessIterator,Size,UnaryFunction>(first, f);
|
||
|
|
} // end make_body()
|
||
|
|
|
||
|
|
|
||
|
|
} // end for_each_detail
|
||
|
|
|
||
|
|
|
||
|
|
template<typename DerivedPolicy,
|
||
|
|
typename RandomAccessIterator,
|
||
|
|
typename Size,
|
||
|
|
typename UnaryFunction>
|
||
|
|
RandomAccessIterator for_each_n(execution_policy<DerivedPolicy> &,
|
||
|
|
RandomAccessIterator first,
|
||
|
|
Size n,
|
||
|
|
UnaryFunction f)
|
||
|
|
{
|
||
|
|
::tbb::parallel_for(::tbb::blocked_range<Size>(0,n), for_each_detail::make_body<Size>(first,f));
|
||
|
|
|
||
|
|
// return the end of the range
|
||
|
|
return first + n;
|
||
|
|
} // end for_each_n
|
||
|
|
|
||
|
|
|
||
|
|
template<typename DerivedPolicy,
|
||
|
|
typename RandomAccessIterator,
|
||
|
|
typename UnaryFunction>
|
||
|
|
RandomAccessIterator for_each(execution_policy<DerivedPolicy> &s,
|
||
|
|
RandomAccessIterator first,
|
||
|
|
RandomAccessIterator last,
|
||
|
|
UnaryFunction f)
|
||
|
|
{
|
||
|
|
return tbb::detail::for_each_n(s, first, thrust::distance(first,last), f);
|
||
|
|
} // end for_each()
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace detail
|
||
|
|
} // end namespace tbb
|
||
|
|
} // end namespace system
|
||
|
|
} // end namespace thrust
|
||
|
|
|