cuda.nvbench -> cuda.bench

Per PR review suggestion:
   - `cuda.parallel`    - device-wide algorithms/Thrust
   - `cuda.cooperative` - Cooperative algorithsm/CUB
   - `cuda.bench`       - Benchmarking/NVBench

python/cuda/bench/__init__.py

@@ -0,0 +1,59 @@
+# Copyright 2025 NVIDIA Corporation
+#
+#  Licensed under the Apache License, Version 2.0 with the LLVM exception
+#  (the "License"); you may not use this file except in compliance with
+#  the License.
+#
+#  You may obtain a copy of the License at
+#
+#      http://llvm.org/foundation/relicensing/LICENSE.txt
+#
+#  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 importlib.metadata
+import warnings
+
+from cuda.pathfinder import (  # type: ignore[import-not-found]
+    load_nvidia_dynamic_lib,
+)
+
+try:
+    __version__ = importlib.metadata.version("pynvbench")
+except Exception as e:
+    __version__ = "0.0.0dev"
+    warnings.warn(
+        "Could not retrieve version of pynvbench package dynamically from its metadata. "
+        f"Exception {e} was raised. "
+        f"Version is set to fall-back value '{__version__}' instead."
+    )
+
+for libname in ("cupti", "nvperf_target", "nvperf_host"):
+    load_nvidia_dynamic_lib(libname)
+
+from cuda.bench._nvbench import (  # noqa: E402
+    Benchmark as Benchmark,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    CudaStream as CudaStream,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    Launch as Launch,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    NVBenchRuntimeError as NVBenchRuntimeError,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    State as State,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    register as register,
+)
+from cuda.bench._nvbench import (  # noqa: E402
+    run_all_benchmarks as run_all_benchmarks,
+)
+
+del load_nvidia_dynamic_lib