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From GitBox <...@apache.org>
Subject [GitHub] [incubator-tvm] comaniac commented on a change in pull request #5030: [RELAY] Added a AnnotatedRegion utility class
Date Tue, 24 Mar 2020 00:50:11 GMT
comaniac commented on a change in pull request #5030: [RELAY] Added a AnnotatedRegion utility
class
URL: https://github.com/apache/incubator-tvm/pull/5030#discussion_r396843587
 
 

 ##########
 File path: tests/python/relay/test_annotated_regions.py
 ##########
 @@ -0,0 +1,121 @@
+# 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.
+# pylint: disable=no-else-return, unidiomatic-typecheck, invalid-name
+from tvm import relay
+from tvm.relay.op.annotation import compiler_begin, compiler_end
+
+
+def check_region(region_set, args, nodes, rets):
+    region = region_set.get_region(args[0])
+    assert region
+    assert set(args) == set(region.args)
+    assert set(nodes) == set(region.nodes)
+    assert set(rets) == set(region.rets)
+
+
+def test_region_set_creator_diamond():
+    data = relay.var('data', shape=(10, 10))
+    cb_1 = compiler_begin(data, 'test_target')
+    O_1 = relay.abs(cb_1)
+    ce_1 = compiler_end(O_1, 'test_target')
+    ce_2 = compiler_end(O_1, 'test_target')
+    cb_2 = compiler_begin(ce_1, 'test_target')
+    O_2 = relay.nn.relu(cb_2)
+    ce_3 = compiler_end(O_2, 'test_target')
+    cb_d = compiler_begin(ce_2, "default")
+    X = relay.tanh(cb_d)
+    ce_d = compiler_end(X, 'default')
+    cb_3 = compiler_begin(ce_3, 'test_target')
+    cb_4 = compiler_begin(ce_d, 'test_target')
+    O_3 = relay.add(cb_3, cb_4)
+    ce_4 = compiler_end(O_3, 'test_target')
+    diamond = relay.Function([data], ce_4)
+
+    region_set = relay.analysis.AnnotatedRegionSet(diamond,
+                                                   relay.op.get("annotation.compiler_begin"),
+                                                   relay.op.get("annotation.compiler_end"))
+    assert len(region_set) == 4
+    check_region(
+        region_set,
+        [cb_1],
+        [cb_1, O_1, ce_1, ce_2],
+        [ce_1, ce_2],
+    )
+    check_region(
+        region_set,
+        [cb_2],
+        [cb_2, O_2, ce_3],
+        [ce_3],
+    )
+    check_region(
+        region_set,
+        [cb_d],
+        [cb_d, X, ce_d],
+        [ce_d],
+    )
+    check_region(
+        region_set,
+        [cb_3, cb_4],
+        [cb_3, cb_4, O_3, ce_4],
+        [ce_4],
+    )
+
+
+def test_region_set_creator_merged():
+    data = relay.var('data', shape=(10, 10))
+    cb_1 = compiler_begin(data, 'test_target')
+    O_1 = relay.abs(cb_1)
+    ce_2 = compiler_end(O_1, 'test_target')
+    O_2 = relay.nn.relu(O_1)
+    ce_3 = compiler_end(O_2, 'test_target')
+    cb_d = compiler_begin(ce_2, "default")
+    X = relay.tanh(cb_d)
+    ce_d = compiler_end(X, 'default')
+    cb_3 = compiler_begin(ce_3, 'test_target')
+    cb_4 = compiler_begin(ce_d, 'test_target')
+    O_3 = relay.add(cb_3, cb_4)
+    ce_4 = compiler_end(O_3, 'test_target')
+    merged = relay.Function([data], ce_4)
+
+    region_set = relay.analysis.AnnotatedRegionSet(merged,
 
 Review comment:
   This pass is not attempting to return regions for a specific compiler. Instead, it will
return all regions in the graph for all compilers. However, I agree with you that the comment
description should be improved to make it clear.

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