Initial commit

verl/utils/ray_utils.py

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+# Copyright 2024 Bytedance Ltd. and/or its affiliates
+#
+# 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.
+"""
+Contains commonly used utilities for ray
+"""
+
+import ray
+
+import concurrent.futures
+
+
+def parallel_put(data_list, max_workers=None):
+
+    def put_data(index, data):
+        return index, ray.put(data)
+
+    if max_workers is None:
+        max_workers = min(len(data_list), 16)
+
+    with concurrent.futures.ThreadPoolExecutor(max_workers=max_workers) as executor:
+        data_list_f = [executor.submit(put_data, i, data) for i, data in enumerate(data_list)]
+        res_lst = []
+        for future in concurrent.futures.as_completed(data_list_f):
+            res_lst.append(future.result())
+
+        # reorder based on index
+        output = [None for _ in range(len(data_list))]
+        for res in res_lst:
+            index, data_ref = res
+            output[index] = data_ref
+
+    return output