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| author | Quincey Koziol <koziol@hdfgroup.org> | 2004-04-06 16:57:30 (GMT) |
|---|---|---|
| committer | Quincey Koziol <koziol@hdfgroup.org> | 2004-04-06 16:57:30 (GMT) |
| commit | fde9bbabc4c2c74bb127ee1a1d29ef70e4dcbf74 (patch) | |
| tree | 5aef35a5680aacb651a5fff875371c8df13e1bc4 | |
| parent | 5bace59b991b704225f4338e70b79abaa57cf836 (diff) | |
| download | hdf5-fde9bbabc4c2c74bb127ee1a1d29ef70e4dcbf74.zip hdf5-fde9bbabc4c2c74bb127ee1a1d29ef70e4dcbf74.tar.gz hdf5-fde9bbabc4c2c74bb127ee1a1d29ef70e4dcbf74.tar.bz2 | |
[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
| -rw-r--r-- | src/H5Shyper.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/src/H5Shyper.c b/src/H5Shyper.c index 6bca0f7..49279c9 100644 --- a/src/H5Shyper.c +++ b/src/H5Shyper.c @@ -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() */ |