fengjiayi
7 years ago
parent
1010e39bdf
commit
0bb9c80ef9
@ -0,0 +1,71 @@
|
||||
# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
|
||||
import paddle.v2 as paddle
|
||||
import paddle.v2.fluid as fluid
|
||||
import numpy as np
|
||||
|
||||
prog = fluid.framework.Program()
|
||||
block = prog.current_block()
|
||||
|
||||
random_reader = block.create_var(
|
||||
type=fluid.core.VarDesc.VarType.READER, name="RandomReader")
|
||||
random_reader.desc.set_lod_levels([0, 0])
|
||||
|
||||
create_random_reader_op = block.append_op(
|
||||
type="create_random_reader",
|
||||
outputs={"Out": random_reader},
|
||||
attrs={
|
||||
"shape_concat": [1, 2, 1, 1],
|
||||
"ranks": [2, 2],
|
||||
"min": 0.0,
|
||||
"max": 1.0
|
||||
})
|
||||
|
||||
batch_reader = block.create_var(
|
||||
type=fluid.core.VarDesc.VarType.READER, name=("BatchReader"))
|
||||
batch_reader.desc.set_lod_levels([0, 0])
|
||||
|
||||
create_batch_reader_op = block.append_op(
|
||||
type="create_batch_reader",
|
||||
inputs={"UnderlyingReader": random_reader},
|
||||
outputs={"Out": batch_reader},
|
||||
attrs={"batch_size": 10})
|
||||
|
||||
out1 = block.create_var(
|
||||
type=fluid.core.VarDesc.VarType.LOD_TENSOR,
|
||||
name="Out1",
|
||||
shape=[10, 2],
|
||||
dtype="float32",
|
||||
lod_level=1)
|
||||
out2 = block.create_var(
|
||||
type=fluid.core.VarDesc.VarType.LOD_TENSOR,
|
||||
name="Out2",
|
||||
shape=[10, 1],
|
||||
dtype="float32",
|
||||
lod_level=1)
|
||||
|
||||
read_op = block.append_op(
|
||||
type="read", inputs={"Reader": batch_reader},
|
||||
outputs={"Out": [out1, out2]})
|
||||
|
||||
place = fluid.CPUPlace()
|
||||
exe = fluid.Executor(place)
|
||||
|
||||
[res1, res2] = exe.run(prog, fetch_list=[out1, out2])
|
||||
|
||||
if len(res1) == 0 or len(res2) == 0:
|
||||
exit(1)
|
||||
|
||||
exit(0)
|
||||
Loading…
Reference in new issue