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//------------------------------------------------------------------------------
// GB_memoryUsage: # of bytes used for a matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
GrB_Info GB_memoryUsage // count # allocated blocks and their sizes
(
int64_t *nallocs, // # of allocated memory blocks
size_t *mem_deep, // # of bytes in blocks owned by this matrix
size_t *mem_shallow, // # of bytes in blocks owned by another matrix
const GrB_Matrix A // matrix to query
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
ASSERT (nallocs != NULL) ;
ASSERT (mem_deep != NULL) ;
ASSERT (mem_shallow != NULL) ;
//--------------------------------------------------------------------------
// count the allocated blocks and their sizes
//--------------------------------------------------------------------------
// a matrix contains 0 to 10 dynamically malloc'd blocks
(*nallocs) = 0 ;
(*mem_deep) = 0 ;
(*mem_shallow) = 0 ;
if (A == NULL)
{
#pragma omp flush
return (GrB_SUCCESS) ;
}
GB_Pending Pending = A->Pending ;
if (!A->static_header)
{
(*nallocs)++ ;
(*mem_deep) += A->header_size ;
}
if (A->p != NULL)
{
if (A->p_shallow)
{
(*mem_shallow) += A->p_size ;
}
else
{
(*nallocs)++ ;
(*mem_deep) += A->p_size ;
}
}
if (A->h != NULL)
{
if (A->h_shallow)
{
(*mem_shallow) += A->h_size ;
}
else
{
(*nallocs)++ ;
(*mem_deep) += A->h_size ;
}
}
if (A->b != NULL)
{
if (A->b_shallow)
{
(*mem_shallow) += A->b_size ;
}
else
{
(*nallocs)++ ;
(*mem_deep) += A->b_size ;
}
}
if (A->i != NULL)
{
if (A->i_shallow)
{
(*mem_shallow) += A->i_size ;
}
else
{
(*nallocs)++ ;
(*mem_deep) += A->i_size ;
}
}
if (A->x != NULL)
{
if (A->x_shallow)
{
(*mem_shallow) += A->x_size ;
}
else
{
(*nallocs)++ ;
(*mem_deep) += A->x_size ;
}
}
if (Pending != NULL)
{
(*nallocs)++ ;
(*mem_deep) += Pending->header_size ;
}
if (Pending != NULL && Pending->i != NULL)
{
(*nallocs)++ ;
(*mem_deep) += Pending->i_size ;
}
if (Pending != NULL && Pending->j != NULL)
{
(*nallocs)++ ;
(*mem_deep) += Pending->j_size ;
}
if (Pending != NULL && Pending->x != NULL)
{
(*nallocs)++ ;
(*mem_deep) += Pending->x_size ;
}
#pragma omp flush
return (GrB_SUCCESS) ;
}
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