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haoj pushed a commit to branch numpy
in repository https://gitbox.apache.org/repos/asf/incubator-mxnet.git

commit 30e808e6735f7b2694963a1252e1f4197e9da972
Author: reminisce <wujun....@gmail.com>
AuthorDate: Mon May 27 00:27:26 2019 -0700

    Temporarily disable test_amp
---
 tests/python/unittest/test_contrib_amp.py | 89 +++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)

diff --git a/tests/python/unittest/test_contrib_amp.py 
b/tests/python/unittest/test_contrib_amp.py
new file mode 100644
index 0000000..c11d3f7
--- /dev/null
+++ b/tests/python/unittest/test_contrib_amp.py
@@ -0,0 +1,89 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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 unittest
+import mxnet as mx
+import warnings
+import collections
+import ctypes
+import mxnet.contrib.amp as amp
+
+
+# TODO(junwu): Enable test
+@unittest.skip("Temporarily disabled for adding new np ops")
+def test_amp_coverage():
+    conditional = [item[0] for item in amp.lists.symbol.CONDITIONAL_FP32_FUNCS]
+
+    # Check for duplicates
+    for a in [amp.lists.symbol.FP16_FUNCS,
+          amp.lists.symbol.FP16_FP32_FUNCS,
+          amp.lists.symbol.FP32_FUNCS,
+          amp.lists.symbol.WIDEST_TYPE_CASTS,
+          conditional]:
+        ret = [item for item, count in collections.Counter(a).items() if count 
> 1]
+        assert ret == [], "Elements " + str(ret) + " are duplicated in the AMP 
lists."
+
+    t = []
+    for a in [amp.lists.symbol.FP16_FUNCS,
+              amp.lists.symbol.FP16_FP32_FUNCS,
+              amp.lists.symbol.FP32_FUNCS,
+              amp.lists.symbol.WIDEST_TYPE_CASTS,
+              conditional]:
+        t += a
+    ret = [item for item, count in collections.Counter(t).items() if count > 1]
+    assert ret == [], "Elements " + str(ret) + " exist in more than 1 AMP 
list."
+
+    # Check the coverage
+    py_str = lambda x: x.decode('utf-8')
+
+    plist = ctypes.POINTER(ctypes.c_char_p)()
+    size = ctypes.c_uint()
+
+    mx.base._LIB.MXListAllOpNames(ctypes.byref(size),
+                                     ctypes.byref(plist))
+    op_names = []
+    for i in range(size.value):
+        s = py_str(plist[i])
+        if not s.startswith("_backward") \
+           and not s.startswith("_contrib_backward_"):
+            op_names.append(s)
+
+    ret1 = set(op_names) - set(t)
+
+    if ret1 != set():
+        warnings.warn("Operators " + str(ret1) + " do not exist in AMP lists 
(in "
+                       "python/mxnet/contrib/amp/lists/symbol.py) - please add 
them. "
+                       """Please follow these guidelines for choosing a proper 
list:
+                       - if your operator is not to be used in a computational 
graph
+                         (e.g. image manipulation operators, optimizers) or 
does not have
+                         inputs, put it in FP16_FP32_FUNCS list,
+                       - if your operator requires FP32 inputs or is not safe 
to use with lower
+                         precision, put it in FP32_FUNCS list,
+                       - if your operator supports both FP32 and lower 
precision, has
+                         multiple inputs and expects all inputs to be of the 
same
+                         type, put it in WIDEST_TYPE_CASTS list,
+                       - if your operator supports both FP32 and lower 
precision and has
+                         either a single input or supports inputs of different 
type,
+                         put it in FP16_FP32_FUNCS list,
+                       - if your operator is both safe to use in lower 
precision and
+                         it is highly beneficial to use it in lower precision, 
then
+                         put it in FP16_FUNCS (this is unlikely for new 
operators)
+                       - If you are not sure which list to choose, FP32_FUNCS 
is the
+                         safest option""")
+
+if __name__ == '__main__':
+    test_amp_coverage()

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