From ba1e0dd89aef431dad029da924e72a5604a3263d Mon Sep 17 00:00:00 2001
From: Sing_chan <51314274+betterpig@users.noreply.github.com>
Date: Wed, 17 Nov 2021 18:58:21 +0800
Subject: [PATCH] avoid zero division problem (#37284)

---
 .../fluid/tests/unittests/dygraph_to_static/test_sentiment.py  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/python/paddle/fluid/tests/unittests/dygraph_to_static/test_sentiment.py b/python/paddle/fluid/tests/unittests/dygraph_to_static/test_sentiment.py
index f866841935..74d415cc3e 100644
--- a/python/paddle/fluid/tests/unittests/dygraph_to_static/test_sentiment.py
+++ b/python/paddle/fluid/tests/unittests/dygraph_to_static/test_sentiment.py
@@ -324,6 +324,9 @@ def train(args, to_static):
                 if batch_id % args.log_step == 0:
                     time_end = time.time()
                     used_time = time_end - time_begin
+                    # used_time may be 0.0, cause zero division error
+                    if used_time < 1e-5:
+                        used_time = 1e-5
                     print("step: %d, ave loss: %f, speed: %f steps/s" %
                           (batch_id, avg_cost.numpy()[0],
                            args.log_step / used_time))
-- 
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