From 28efc18f6f30d62a7bcfd919a31b285cb6e59748 Mon Sep 17 00:00:00 2001
From: wanghaoshuang <wanghaoshuang@baidu.com>
Date: Wed, 6 Nov 2019 21:03:15 +0800
Subject: [PATCH] Add function for calculating model size.

---
 paddleslim/analysis/__init__.py   |  7 ++++++
 paddleslim/analysis/model_size.py | 31 ++++++++++++++++++++++++
 tests/test_model_size.py          | 40 +++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)
 create mode 100644 paddleslim/analysis/model_size.py
 create mode 100644 tests/test_model_size.py

diff --git a/paddleslim/analysis/__init__.py b/paddleslim/analysis/__init__.py
index 9d053150..9caa0d24 100644
--- a/paddleslim/analysis/__init__.py
+++ b/paddleslim/analysis/__init__.py
@@ -11,3 +11,10 @@
 # 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 flops as flops_module
+from flops import *
+import model_size as model_size_module
+from model_size import *
+__all__ = []
+__all__ += flops_module.__all__
+__all__ += model_size_module.__all__
diff --git a/paddleslim/analysis/model_size.py b/paddleslim/analysis/model_size.py
new file mode 100644
index 00000000..34574d5d
--- /dev/null
+++ b/paddleslim/analysis/model_size.py
@@ -0,0 +1,31 @@
+# Copyright (c) 2019  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
+from ..core import GraphWrapper
+
+__all__ = ["model_size"]
+
+
+def model_size(program):
+    """
+    Get total value numbers of all parameters.
+    Args:
+        program(Program): The program used to calculate model size.
+    """
+    size = 0
+    for block in program.blocks:
+        for param in block.all_parameters():
+            size += np.product(param.shape)
+    return size
diff --git a/tests/test_model_size.py b/tests/test_model_size.py
new file mode 100644
index 00000000..314450eb
--- /dev/null
+++ b/tests/test_model_size.py
@@ -0,0 +1,40 @@
+# Copyright (c) 2019  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 sys
+sys.path.append("../")
+import unittest
+import paddle.fluid as fluid
+from paddleslim.analysis import model_size
+from layers import conv_bn_layer
+
+
+class TestPrune(unittest.TestCase):
+    def test_prune(self):
+        main_program = fluid.Program()
+        startup_program = fluid.Program()
+        with fluid.program_guard(main_program, startup_program):
+            input = fluid.data(name="image", shape=[None, 3, 16, 16])
+            conv1 = conv_bn_layer(input, 8, 3, "conv1")
+            conv2 = conv_bn_layer(conv1, 8, 3, "conv2")
+            sum1 = conv1 + conv2
+            conv3 = conv_bn_layer(sum1, 8, 3, "conv3")
+            conv4 = conv_bn_layer(conv3, 8, 3, "conv4")
+            sum2 = conv4 + sum1
+            conv5 = conv_bn_layer(sum2, 8, 3, "conv5")
+            conv6 = conv_bn_layer(conv5, 8, 3, "conv6")
+        self.assertTrue(3288 == model_size(main_program))
+
+
+if __name__ == '__main__':
+    unittest.main()
-- 
GitLab