mbrookhart commented on a change in pull request #6124:
URL: https://github.com/apache/incubator-tvm/pull/6124#discussion_r464491292
##########
File path: tests/python/relay/test_pass_annotation.py
##########
@@ -309,6 +309,76 @@ def test_visitor_annotation():
test_visitor_annotation()
+def test_propogation():
+ R""" The network and device type is as following:
+ x 1
+ |
+ log 1
+ / \
+ log2 log10 2
+ \ /
+ add 2
+ |
+ tan 1
+ """
+ ctx1 = tvm.context(1)
+ ctx2 = tvm.context(2)
+
+ expected_dev_type = {
+ 'log': ctx1,
+ 'log2': ctx2,
+ 'log10': ctx2,
+ 'add': ctx2,
+ 'tan': ctx1
+ }
+
+ x = relay.var("x", shape=(3,))
+
+ def annotated():
+ log = relay.log(x)
+ _log = relay.annotation.on_device(log, expected_dev_type['log'])
+ log2 = relay.log2(_log)
+ _log2 = relay.annotation.on_device(log2, expected_dev_type['log2'])
+ log10 = relay.log10(_log)
+ _log10 = relay.annotation.on_device(log10, expected_dev_type['log10'])
+ add = relay.add(_log2, _log10)
+ _add = relay.annotation.on_device(add, expected_dev_type['add'])
+ tan = relay.tan(_add)
+ _tan = relay.annotation.on_device(tan, expected_dev_type['tan'])
+
+ func = run_opt_pass(_tan,
transform.RewriteAnnotatedOps(ctx1.device_type))
+ return func
+
+ def expected():
+ log = relay.log(x)
+ _log_left = relay.device_copy(log, ctx1, ctx2)
+ _log_right = relay.device_copy(log, ctx1, ctx2)
+ log2 = relay.log2(_log_left)
+ log10 = relay.log10(_log_right)
+ add = relay.add(log2, log10)
+ _add = relay.device_copy(add, ctx2, ctx1)
+ tan = relay.tan(_add)
+
+ func = run_opt_pass(tan, transform.InferType())
+ return func
+
+ annotated_expr = annotated()
+ expected_expr = expected()
+ assert tvm.ir.structural_equal(annotated_expr, expected_expr)
Review comment:
:+1: You're right, I misread my first test.
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