From 5eefc8c7a71ef615320fb2e9ff969d2aa433cf50 Mon Sep 17 00:00:00 2001
From: Qi Li <qili93@qq.com>
Date: Wed, 1 Sep 2021 15:24:46 +0800
Subject: [PATCH] [NPU] skip NPU UT if no npu files changed, test=develop
 (#35338)

---
 paddle/scripts/paddle_build.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/paddle/scripts/paddle_build.sh b/paddle/scripts/paddle_build.sh
index 9e8fcd3ae82..05635630443 100755
--- a/paddle/scripts/paddle_build.sh
+++ b/paddle/scripts/paddle_build.sh
@@ -1702,6 +1702,15 @@ set -x
 }
 
 function parallel_test_base_npu() {
+    # skipping if no NPU related files changed
+    if [ ${SKIL_NPU_TEST:-ON} == "ON" ] ; then
+        npu_cc_files=$(git diff --name-only ${BRANCH} | grep "op_npu.cc" | wc -l)
+        npu_py_files=$(git diff --name-only ${BRANCH} | grep "python/paddle/fluid/tests/unittests/npu" | wc -l)
+        if [ "${npu_cc_files}" -eq 0 ] && [ "${npu_py_files}" -eq 0 ] ; then
+            echo "NO NPU operators files changed, skip NPU unit tests"
+            exit 0
+        fi
+    fi
     mkdir -p ${PADDLE_ROOT}/build
     cd ${PADDLE_ROOT}/build/python/paddle/fluid/tests/unittests/npu
     if [ ${WITH_TESTING:-ON} == "ON" ] ; then
-- 
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