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//------------------------------------------------------------------------------
// GB_block: apply all pending computations if blocking mode enabled
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_Pending.h"
#define GB_FREE_ALL ;
GB_PUBLIC
GrB_Info GB_block // apply all pending computations if blocking mode enabled
(
GrB_Matrix A,
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GrB_Info info ;
ASSERT (A != NULL) ;
//--------------------------------------------------------------------------
// wait if mode is blocking, or if too many pending tuples
//--------------------------------------------------------------------------
if (!(GB_ANY_PENDING_WORK (A) || GB_NEED_HYPER_HASH (A)))
{
// no pending work, so no need to block
return (GrB_SUCCESS) ;
}
double npending = (double) GB_Pending_n (A) ;
double anzmax = ((double) A->vlen) * ((double) A->vdim) ;
bool many_pending = (npending >= anzmax) ;
GrB_Mode mode = GB_Global_mode_get ( ) ;
bool blocking = (mode == GrB_BLOCKING || mode == GxB_BLOCKING_GPU) ;
if (many_pending || blocking)
{
// delete any lingering zombies, assemble any pending tuples,
// sort the vectors, and construct the A->Y hyper_hash
GB_OK (GB_wait (A, "matrix", Context)) ;
GB_OK (GB_hyper_hash_build (A, Context)) ;
}
return (GrB_SUCCESS) ;
}
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