chore: import upstream snapshot with attribution

python/paddle/distributed/ps/utils/ps_factory.py

@@ -0,0 +1,50 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed 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.
+
+from .ps_program_builder import *  # noqa: F403
+from .public import *  # noqa: F403
+
+__all__ = [
+    'PsProgramBuilder',
+    'GeoPsProgramBuilder',
+    'CpuSyncPsProgramBuilder',
+    'CpuAsyncPsProgramBuilder',
+    'GpuPsProgramBuilder',
+    'HeterAsyncPsProgramBuilder',
+    'FlPsProgramBuilder',
+    'NuPsProgramBuilder',
+]
+
+
+class PsProgramBuilderFactory:
+    def __init__(self):
+        pass
+
+    def _create_ps_program_builder(self, pass_ctx):
+        attrs = pass_ctx._attrs
+        if attrs['ps_mode'] == DistributedMode.GEO:
+            if len(attrs['local_sparse']) != 0:
+                return globals()['NuPsProgramBuilder'](pass_ctx)
+            else:
+                return globals()['GeoPsProgramBuilder'](pass_ctx)
+        elif attrs['use_ps_gpu']:
+            return globals()['GpuPsProgramBuilder'](pass_ctx)
+        elif attrs['is_heter_ps_mode'] and not attrs['is_fl_ps_mode']:
+            return globals()['HeterAsyncPsProgramBuilder'](pass_ctx)
+        elif attrs.get('is_fl_ps_mode'):
+            return globals()['FlPsProgramBuilder'](pass_ctx)
+        elif attrs['ps_mode'] == DistributedMode.SYNC:
+            return globals()['CpuSyncPsProgramBuilder'](pass_ctx)
+        else:
+            return globals()['CpuAsyncPsProgramBuilder'](pass_ctx)