KOKKOS_INLINE_FUNCTION
void operator()( const TagReady , int w ) const noexcept
{
std::int32_t const * const count_queue =
& m_queue[ m_graph.numRows() ] ;
if ( 0 == count_queue[w] ) push_work(w);
}
KOKKOS_INLINE_FUNCTION
void completed_work( std::int32_t w ) const noexcept
{
Kokkos::memory_fence();
// Make sure the completed work function's memory accesses are flushed.
const std::int32_t N = m_graph.numRows();
std::int32_t volatile * const count_queue = & m_queue[N] ;
const std::int32_t B = m_graph.row_map(w);
const std::int32_t E = m_graph.row_map(w+1);
for ( std::int32_t i = B ; i < E ; ++i ) {
const std::int32_t j = m_graph.entries(i);
if ( 1 == atomic_fetch_add(count_queue+j,-1) ) {
push_work(j);
}
}
}
Worker::~Worker() {
push_work([this]{cancelled_ = true;});
}