Merge pull request #91 from chengduoZH/feature/add_SE-ResNeXt-152_parallel_exe

Add SE-ResNeXt-152_parallel_exe

Author: chengduo

fluid/SE-ResNeXt-152/README.md

@@ -0,0 +1,16 @@
+# Benchmark SE-ResNeXt-152
+
+## For single card:
+```
+env CUDA_VISIBLE_DEVICES=0 python train.py --use_parallel_mode=parallel_do --use_nccl=False --parallel=False --display_step=1
+```
+
+## For multi-card:
+### use parallel_do
+```
+env CUDA_VISIBLE_DEVICES=4,5,6,7 python train.py --use_parallel_mode=parallel_do --use_nccl=True --parallel=True --display_step=1
+```
+###  use parallel_exe
+```
+env CUDA_VISIBLE_DEVICES=4,5,6,7 python train.py --use_parallel_mode=parallel_exe --use_nccl=True --parallel=True --display_step=1
+```

fluid/SE-ResNeXt-152/generate_flowers_recordio.py

@@ -0,0 +1,34 @@
+#   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 numpy as np
+import paddle
+import paddle.fluid as fluid
+import paddle.dataset.flowers as flowers
+
+batch_size = 12
+data_shape = [3, 224, 224]
+
+with fluid.program_guard(fluid.Program(), fluid.Program()):
+    reader = paddle.batch(flowers.train(), batch_size=batch_size)
+    feeder = fluid.DataFeeder(
+        feed_list=[  # order is image and label
+            fluid.layers.data(
+                name='image', shape=data_shape, dtype='float32'),
+            fluid.layers.data(
+                name='label', shape=[1], dtype='int64'),
+        ],
+        place=fluid.CPUPlace())
+    fluid.recordio_writer.convert_reader_to_recordio_file(
+        './flowers_bs_12_3_224_224.recordio', reader, feeder)