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60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
# Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: BSD-3-Clause
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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def _get_device_compute_capability():
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try:
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import cuda.bindings.driver as drv
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from cuda.bindings.driver import CUdevice_attribute as dev_attr
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def drv_api(api_name, *args):
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ret_code, *result = getattr(drv, api_name)(*args)
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if ret_code:
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raise ValueError(f"CUDA error: {ret_code}")
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return result[0] if len(result) == 1 else result
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drv_api("cuInit", 0)
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device = drv_api("cuDeviceGet", 0)
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major = drv_api(
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"cuDeviceGetAttribute",
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dev_attr.CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR,
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device,
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)
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minor = drv_api(
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"cuDeviceGetAttribute",
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dev_attr.CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MINOR,
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device,
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)
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return f"{major}{minor}"
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except Exception as e:
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print(f"Failed to get CUDA compute capability: {e}")
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return None
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compute_capability = _get_device_compute_capability()
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