Make Python interface work for non-SM80 targets (#726)

* Make Python interface work for non-SM80 targets * Remove line in README
2022-12-07 21:53:33 -05:00
parent d6117ca362
commit df81d847d7
33 changed files with 149 additions and 20 deletions
@@ -308,7 +308,7 @@ class ArtifactManager:
        cmd = "echo '%s'|g++ -x c++ -fpermissive -w -fPIC" % source_buffer_host
        for opt in options:
            opt = opt.decode("utf-8")
-            if opt not in ['-default-device', '-std=c++11', '-arch=sm_80', '-Xcicc', '-Xllc']:
+            if opt not in ['-default-device', '-std=c++11', '-Xcicc', '-Xllc'] and '-arch=sm_' not in opt:
                if '--include-path=' in opt:
                    cmd += " " + opt.replace('--include-path=', '-I')
                else:
@@ -0,0 +1,76 @@
+#################################################################################################
+#
+# Copyright (c) 2017 - 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+#################################################################################################
+
+"""
+Utility functions for interacting with the device
+"""
+
+from cuda import cudart
+
+
+def check_cuda_errors(result: list):
+    """
+    Checks whether `result` contains a CUDA error raises the error as an exception, if so. Otherwise,
+    returns the result contained in the remaining fields of `result`.
+
+    :param result: the results of the `cudart` method, consisting of an error code and any method results
+    :type result: list
+
+    :return: non-error-code results from the `results` parameter
+    """
+    # `result` is of the format : (cudaError_t, result...)
+    err = result[0]
+    if err.value:
+        raise RuntimeError("CUDA error: {}".format(cudart.cudaGetErrorName(err)))
+
+    if len(result) == 1:
+        return None
+    elif len(result) == 2:
+        return result[1]
+    else:
+        return result[1:]
+
+
+def device_cc(device: int = 0) -> int:
+    """
+    Returns the compute capability of the device with ID `device`.
+
+    :param device: ID of the device to query
+    :type device: int
+
+    :return: compute capability of the queried device (e.g., 80 for SM80)
+    :rtype: int
+    """
+    deviceProp = check_cuda_errors(cudart.cudaGetDeviceProperties(device))
+    major = str(deviceProp.major)
+    minor = str(deviceProp.minor)
+    return int(major + minor)