Files
FESADev/src/fesa/assembly/parallel_for.cpp
T

29 lines
884 B
C++

#include "fesa/assembly/parallel_for.h"
#include <oneapi/tbb/parallel_for.h>
namespace fesa {
void SerialParallelFor::Execute(
std::size_t count, const std::function<void(std::size_t)>& body) const {
for (std::size_t index = 0; index < count; ++index) {
body(index);
}
}
void TbbParallelFor::Execute(
std::size_t count, const std::function<void(std::size_t)>& body) const {
if (count == 0U) {
return;
}
// Use oneTBB's caller-scoped scheduler policy. This adapter does not set
// process-wide concurrency or override the later MKL/TBB oversubscription
// policy. A body exception cancels sibling tasks and is rethrown; work
// already running during cancellation may still finish its indexed slot.
oneapi::tbb::parallel_for(std::size_t{0}, count,
[&body](std::size_t index) { body(index); });
}
} // namespace fesa