[GitHub] [tvm] comaniac commented on a change in pull request #7173: [AutoScheduler] Use VM to extract tasks for dynamic models

[GitBox <gi...@apache.org>]

comaniac commented on a change in pull request #7173:
URL: https://github.com/apache/tvm/pull/7173#discussion_r549563409



##########
File path: python/tvm/auto_scheduler/relay_integration.py
##########
@@ -56,9 +58,20 @@ def call_all_topi_funcs(mod, params, target):
         config={"relay.backend.use_auto_scheduler": True},
         disabled_pass={"AutoSchedulerLayoutRewrite"},
     ):
-        opt_mod, _ = relay.optimize(mod, target, params)
-        grc = graph_runtime_codegen.GraphRuntimeCodegen(None, target)
-        grc.codegen(opt_mod["main"])
+        try:
+            opt_mod, _ = relay.optimize(mod, target, params)
+            grc = graph_runtime_codegen.GraphRuntimeCodegen(None, target)
+            grc.codegen(opt_mod["main"])
+        except tvm.TVMError:
+            print(
+                "Get errors with GraphRuntimeCodegen for task extraction. "
+                "Fallback to VMCompiler."
+            )
+            compiler = relay.vm.VMCompiler()

Review comment:
       You meant this exception? This will occur when graph runtime fails to compile a model (e.g., the model with IF).




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