Parallel Reduction for rvalues#
Description#
oneAPI Threading Building Blocks (oneTBB) implementation extends the ParallelReduceFunc and
ParallelReduceReduction
to optimize operating with rvalues
using functional form of tbb::parallel_reduce
and tbb::parallel_deterministic_reduce
algorithms.
API#
Header#
#include <oneapi/tbb/parallel_reduce.h>
ParallelReduceFunc Requirements: Pseudo-Signature, Semantics#
-
Value Func::operator()(const Range &range, Value &&x) const#
or
-
Value Func::operator()(const Range &range, const Value &x) const#
Accumulates the result for a subrange, starting with initial value
x
. TheRange
type must meet the Range requirements <https://oneapi-spec.uxlfoundation.org/specifications/oneapi/latest/elements/onetbb/source/named_requirements/algorithms/range>_. TheValue
type must be the same as a corresponding template parameter for the parallel_reduce algorithm.If both
rvalue
andlvalue
forms are provided, thervalue
is preferred.
ParallelReduceReduction Requirements: Pseudo-Signature, Semantics#
-
Value Reduction::operator()(Value &&x, Value &&y) const#
or
-
Value Reduction::operator()(const Value &x, const Value &y) const#
Combines the
x
andy
results. TheValue
type must be the same as a corresponding template parameter for the parallel_reduce algorithm.If both
rvalue
andlvalue
forms are provided, thervalue
is preferred.
Example#
See also