def execute_datadescriptor_ooc_2(dd, res_name=None):
res_ds = dd.dshape
res_shape, res_dt = to_numpy(dd.dshape)
lifted = dd.kerneltree._fused.kernel.lift(1,'C')
cf = lifted.ctypes_func
res_ctype = cf.argtypes[-1]._type_
args = [(ct._type_,
arr.arr._data.element_reader(1),
arr.arr.dshape.shape[1:])
for ct, arr in izip(cf.argtypes[:-1], dd.args)]
res_dd = BLZDataDescriptor(blz.zeros((0,) + res_shape[1:],
dtype = res_dt,
rootdir = res_name))
with res_dd.element_appender() as dst:
for i in xrange(res_shape[0]):
# advance sources
tpl = (i,)
cf_args = [_mk_array_c_ref(t, er.read_single(tpl), sh)
for t, er, sh in args ]
with dst.buffered_ptr() as dst_ptr:
cf_args.append(_mk_array_c_ref(res_ctype,
dst_ptr,
res_shape[1:]))
cf(*cf_args)
return blaze.Array(res_dd)
def execute_datadescriptor_ooc(dd, res_name=None):
# only lift by one
res_ds = dd.dshape
res_shape, res_dt = to_numpy(dd.dshape)
lifted = dd.kerneltree._fused.kernel.lift(1,'C')
cf = lifted.ctypes_func
# element readers for operands
args = [(ct._type_,
arr.arr._data.element_reader(1),
arr.arr.dshape.shape[1:])
for ct, arr in izip(cf.argtypes[:-1], dd.args)]
res_dd = BLZDataDescriptor(blz.zeros((0,) + res_shape[1:],
dtype = res_dt,
rootdir = res_name))
res_ct = ctypes.c_double*3
res_buffer = res_ct()
res_buffer_entry = (cf.argtypes[-1]._type_,
ctypes.pointer(res_buffer),
res_shape[1:])
with res_dd.element_appender() as ea:
for i in xrange(res_shape[0]):
args_i = [(t, er.read_single((i,)), sh)
for t, er, sh in args]
args_i.append(res_buffer_entry)
cf_args = [_convert(*foo) for foo in args_i]
cf(*[ctypes.byref(x) for x in cf_args])
ea.append(ctypes.addressof(res_buffer),1)
return blaze.Array(res_dd)
