65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
#ifndef PFOR_PFOR_TRAITS_H
|
|
#define PFOR_PFOR_TRAITS_H
|
|
|
|
#include "algorithm.h"
|
|
#include "clusters.h"
|
|
#include "expression/traits.h"
|
|
#include "range.h"
|
|
|
|
namespace pfor {
|
|
|
|
/**
|
|
* @brief tests if the given expression can be run in parallel
|
|
*
|
|
* @param[in] Range ignored range (runtime information)
|
|
* @param[in] E the expression
|
|
*
|
|
* @return true if the expression can be run in parallel
|
|
*/
|
|
template<
|
|
typename Range, typename E,
|
|
std::enable_if_t<expr::isExpression<E>>* = nullptr
|
|
>
|
|
bool parallelTest(Range const&, E const&) {
|
|
using Expressions = expr::SplitComma<E>;
|
|
return accumulate<Parallelizable, Expressions>(true, std::logical_and<bool>{});
|
|
}
|
|
|
|
/**
|
|
* @brief tests if the given expression can be run in parallel given a range
|
|
*
|
|
* @param[in] begin the initial value of the index
|
|
* @param[in] step the step of the index
|
|
* @param[in] E the expression
|
|
*
|
|
* @return true if the expression can be run in parallel given (begin, step)
|
|
*/
|
|
template<
|
|
typename E, typename RT, index::Value begin, index::Value step,
|
|
std::enable_if_t<expr::isExpression<E>>* = nullptr
|
|
>
|
|
bool parallelTest(TRangeCT<RT, begin, step> const&, E const&) {
|
|
using Expressions = PackForEach<expr::SplitComma<E>, GenSubstituteVariableInExpression<step, begin>::template type>;
|
|
return accumulate<Parallelizable, Expressions>(true, std::logical_and<bool>{});
|
|
}
|
|
|
|
/**
|
|
* @brief tests if the given expressions can be run in parallel, possibly given a range
|
|
*
|
|
* @param[in] Range possibly compile-time known information about the index values
|
|
* @param[in] es a pack of expressions
|
|
*
|
|
* @return true if merged expressions can be run in parallel
|
|
*/
|
|
template<
|
|
typename Range, typename... Es,
|
|
std::enable_if_t<expr::allExpression<Es...>>* = nullptr
|
|
>
|
|
bool parallelTest(Range const& range, Es const&... es) {
|
|
return parallelTest(range, commaMerger(es...));
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|