[svn-r8309] Purpose:

Code optimization

Description:
    Fix H5S_select_hyperslab to use arrays on the stack instead of dynamically
allocating them each time.

Platforms tested:
    Solaris 2.7 (arabica)
    too small to require h5committest
This commit is contained in:
Quincey Koziol 2004-04-06 11:57:30 -05:00
parent 5bace59b99
commit fde9bbabc4

View File

@ -5550,8 +5550,8 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
const hsize_t count[],
const hsize_t *block)
{
hsize_t *_stride=NULL; /* Stride array */
hsize_t *_block=NULL; /* Block size array */
hsize_t _stride[H5O_LAYOUT_NDIMS]; /* Stride array */
hsize_t _block[H5O_LAYOUT_NDIMS]; /* Block size array */
unsigned u; /* Counters */
H5S_hyper_dim_t *diminfo; /* per-dimension info for the selection */
herr_t ret_value=SUCCEED; /* Return value */
@ -5568,9 +5568,6 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
if(stride==NULL) {
hsize_t fill=1;
/* Allocate temporary buffer */
if ((_stride=H5FL_ARR_MALLOC(hsize_t,space->extent.u.simple.rank))==NULL)
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for stride buffer");
H5V_array_fill(_stride,&fill,sizeof(hssize_t),space->extent.u.simple.rank);
stride = _stride;
}
@ -5579,9 +5576,6 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
if(block==NULL) {
hsize_t fill=1;
/* Allocate temporary buffer */
if ((_block=H5FL_ARR_MALLOC(hsize_t,space->extent.u.simple.rank))==NULL)
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for stride buffer");
H5V_array_fill(_block,&fill,sizeof(hssize_t),space->extent.u.simple.rank);
block = _block;
}
@ -5766,10 +5760,6 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
space->select.iter_init=H5S_hyper_iter_init;
done:
if(_stride!=NULL)
H5FL_ARR_FREE(hsize_t,_stride);
if(_block!=NULL)
H5FL_ARR_FREE(hsize_t,_block);
FUNC_LEAVE_NOAPI(ret_value);
} /* end H5S_select_hyperslab() */