From 3adaae85659f0e47fa7b272ec082618ce39b795a Mon Sep 17 00:00:00 2001
From: Juncheng <liujuncheng1022@gmail.com>
Date: Tue, 9 Oct 2018 11:47:36 +0800
Subject: [PATCH] naive infer time shape ignore meaning less (#1299)

Former-commit-id: f972a8da4a155acd9c326d9fe1094717932725a0
---
 oneflow/core/graph/task_node.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/oneflow/core/graph/task_node.cpp b/oneflow/core/graph/task_node.cpp
index 011e593302..02dd77c74c 100644
--- a/oneflow/core/graph/task_node.cpp
+++ b/oneflow/core/graph/task_node.cpp
@@ -81,6 +81,7 @@ void TaskNode::PinConsumedRegst() {
 }
 
 void TaskNode::NaiveInferProducedDataRegstTimeShape() {
+  if (IsMeaningLess()) { return; }
   std::shared_ptr<Shape> time_shape;
   ForEachConsumedDataRegst([&time_shape](const std::string& name, const RegstDesc* regst) {
     if (time_shape) {
-- 
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