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#ifndef __RCPP_PARALLEL__
#define __RCPP_PARALLEL__
// TinyThread implementation
#include "RcppParallel/TinyThread.h"
// Use TBB only where it's known to compile and work correctly
// (NOTE: Windows TBB is temporarily opt-in for packages for
// compatibility with CRAN packages not previously configured
// to link to TBB in Makevars.win)
#ifndef RCPP_PARALLEL_USE_TBB
# if defined(__APPLE__) || defined(__gnu_linux__) || (defined(__sun) && defined(__SVR4) && !defined(__sparc))
# define RCPP_PARALLEL_USE_TBB 1
# else
# define RCPP_PARALLEL_USE_TBB 0
# endif
#endif
#if RCPP_PARALLEL_USE_TBB
# include "RcppParallel/TBB.h"
#endif
#include "RcppParallel/Backend.h"
#include "RcppParallel/RVector.h"
#include "RcppParallel/RMatrix.h"
namespace RcppParallel {
inline void parallelFor(std::size_t begin,
std::size_t end,
Worker& worker,
std::size_t grainSize = 1,
int numThreads = -1)
{
grainSize = resolveValue("RCPP_PARALLEL_GRAIN_SIZE", grainSize, 1u);
numThreads = resolveValue("RCPP_PARALLEL_NUM_THREADS", numThreads, -1);
#if RCPP_PARALLEL_USE_TBB
if (internal::backend() == internal::BACKEND_TBB)
tbbParallelFor(begin, end, worker, grainSize, numThreads);
else
ttParallelFor(begin, end, worker, grainSize);
#else
ttParallelFor(begin, end, worker, grainSize);
#endif
}
template <typename Reducer>
inline void parallelReduce(std::size_t begin,
std::size_t end,
Reducer& reducer,
std::size_t grainSize = 1,
int numThreads = -1)
{
grainSize = resolveValue("RCPP_PARALLEL_GRAIN_SIZE", grainSize, 1);
numThreads = resolveValue("RCPP_PARALLEL_NUM_THREADS", numThreads, -1);
#if RCPP_PARALLEL_USE_TBB
if (internal::backend() == internal::BACKEND_TBB)
tbbParallelReduce(begin, end, reducer, grainSize, numThreads);
else
ttParallelReduce(begin, end, reducer, grainSize);
#else
ttParallelReduce(begin, end, reducer, grainSize);
#endif
}
} // end namespace RcppParallel
#endif // __RCPP_PARALLEL__
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