marcoabreu commented on a change in pull request #11626: [MXNET-651] MXNet 
Model Backwards Compatibility Checker
URL: https://github.com/apache/incubator-mxnet/pull/11626#discussion_r205389280
 
 

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 File path: tests/nightly/model_backwards_compatibility_check/JenkinsfileForMBCC
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 @@ -0,0 +1,86 @@
+// -*- mode: groovy -*-
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+
+//This is a Jenkinsfile for the model backwards compatibility checker. The 
format and some functions have been picked up from the top-level Jenkinsfile.
+
+err = null
+
+def init_git() {
+  deleteDir()
+  retry(5) {
+    try {
+      timeout(time: 15, unit: 'MINUTES') {
+        checkout scm
+        sh 'git submodule update --init --recursive'
+        sh 'git clean -d -f'
+      }
+    } catch (exc) {
+      deleteDir()
+      error "Failed to fetch source codes with ${exc}"
+      sleep 2
+    }
+  }
+}
+
+def docker_run(platform, function_name, use_nvidia, shared_mem = '500m') {
+  def command = "ci/build.py --docker-registry ${env.DOCKER_CACHE_REGISTRY} 
%USE_NVIDIA% --platform %PLATFORM% --shm-size %SHARED_MEM% 
/work/runtime_functions.sh %FUNCTION_NAME%"
+  command = command.replaceAll('%USE_NVIDIA%', use_nvidia ? '--nvidiadocker' : 
'')
+  command = command.replaceAll('%PLATFORM%', platform)
+  command = command.replaceAll('%FUNCTION_NAME%', function_name)
+  command = command.replaceAll('%SHARED_MEM%', shared_mem)
+
+  sh command
+}
+
+try {
+  stage('MBCC'){
+    parallel 'ModelBackwardsCompat: CPU': {
+      node('mxnetlinux-cpu') {
+        ws('workspace/modelBackwardsCompat') {
+
+                init_git()
+                // Train models on older versions
+                docker_run('ubuntu_nightly_cpu', 
'nightly_model_backwards_compat_train', false)
+                // upload files to S3 here outside of the docker environment
+                sh 
/tests/nightly/model_backwards_compatibility_check/upload_models_to_s3.sh
+                // Perform inference on these models
+                docker_run('ubuntu_nightly_cpu', 
'nightly_model_backwards_compat_test', false)
+
+                   } 
 
 Review comment:
   Please check the indentation

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