chore: import upstream snapshot with attribution

test/legacy_test/test_gpu_event_timer.py

@@ -0,0 +1,58 @@
+# Copyright (c) 2024 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.
+import unittest
+
+import numpy as np
+from op_test import is_custom_device
+
+import paddle
+from paddle.distributed.fleet.utils.timer_helper import get_timers, set_timers
+
+
+class TestGPUEventTimer(unittest.TestCase):
+    def test_main(self):
+        if not (paddle.is_compiled_with_cuda() or is_custom_device()):
+            return
+
+        if paddle.is_compiled_with_rocm():
+            return
+
+        set_timers()
+        key = "matmul"
+        x = paddle.randn([1024, 1024])
+        timers = get_timers()
+        use_event = True
+
+        timers(key, use_event=use_event).pre_alloc(5)
+
+        for _ in range(2):
+            for _ in range(3):
+                timers(key, use_event=use_event).start()
+                paddle.matmul(x, x)
+                timers(key, use_event=use_event).stop()
+            times = timers(key, use_event=use_event).elapsed_list(reset=False)
+            assert isinstance(times, np.ndarray), times
+            times2 = timers(key, use_event=use_event).elapsed_list(reset=False)
+            np.testing.assert_array_equal(times, times2)
+            timers.log(timers.timers.keys())
+
+            assert timers(key, use_event=use_event).size() == 0
+            assert timers(key, use_event=use_event).capacity() > 0
+            timers(key, use_event=use_event).shrink_to_fit()
+            assert timers(key, use_event=use_event).size() == 0
+            assert timers(key, use_event=use_event).capacity() == 0
+
+
+if __name__ == "__main__":
+    unittest.main()