122 lines
3.9 KiB
Python
122 lines
3.9 KiB
Python
#@HEADER
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# ************************************************************************
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# Kokkos v. 4.0
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# Copyright (2022) National Technology & Engineering
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# Solutions of Sandia, LLC (NTESS).
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# Under the terms of Contract DE-NA0003525 with NTESS,
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# the U.S. Government retains certain rights in this software.
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# Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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# ************************************************************************
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# @HEADER
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import unittest
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import subprocess
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import platform
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import os
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PREFIX = "$<TARGET_FILE_DIR:Kokkos_CoreUnitTest_DeviceAndThreads>"
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EXECUTABLE = "$<TARGET_FILE_NAME:Kokkos_CoreUnitTest_DeviceAndThreads>"
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COMMAND = "/".join([PREFIX, EXECUTABLE])
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def GetFlag(flag, *extra_args):
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p = subprocess.run([COMMAND, flag, *extra_args], capture_output=True)
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if p.returncode != 0:
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raise Exception(p.stderr.decode("utf-8"))
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return int(p.stdout)
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def GetNumThreads(max_threads):
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args = []
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name = platform.system()
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if name == 'Darwin':
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args = ['sysctl', '-n', 'hw.physicalcpu_max']
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elif name == 'Linux':
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args = ['nproc', '--all']
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else:
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args = ['wmic', 'cpu', 'get', 'NumberOfCores']
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result = subprocess.run(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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output = result.stdout.decode('utf-8')
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phys_cores_count = int(output)
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looplist = [1] + [i*phys_cores_count for i in [1,2,3,4,5,6,7]] \
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if GetFlag("hwloc_enabled") else [1,2,3,4,5]
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for x in looplist:
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if x >= max_threads:
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break
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yield x
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yield max_threads
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class KokkosInitializationTestCase(unittest.TestCase):
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def test_num_threads(self):
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max_threads = GetFlag("max_threads")
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if max_threads == 1:
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self.skipTest("no host parallel backend enabled")
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for num_threads in GetNumThreads(max_threads):
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self.assertEqual(
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num_threads,
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GetFlag(
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"num_threads",
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"--kokkos-num-threads={}".format(num_threads)))
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def test_num_devices(self):
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if "KOKKOS_VISIBLE_DEVICES" in os.environ:
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self.skipTest("KOKKOS_VISIBLE_DEVICES environment variable is set")
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num_devices = GetFlag("num_devices")
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self.assertNotEqual(num_devices, 0)
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if num_devices == -1:
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self.skipTest("no device backend enabled")
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self.assertGreaterEqual(num_devices, 1)
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def test_device_id(self):
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if "KOKKOS_VISIBLE_DEVICES" in os.environ:
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self.skipTest("KOKKOS_VISIBLE_DEVICES environment variable is set")
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num_devices = GetFlag("num_devices")
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if num_devices == -1:
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self.assertEqual(-1, GetFlag("device_id"))
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self.skipTest("no device backend enabled")
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# by default use the first GPU available for execution
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self.assertEqual(0, GetFlag("device_id"))
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for device_id in range(num_devices):
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self.assertEqual(
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device_id,
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GetFlag(
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"device_id",
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"--kokkos-device-id={}".format(device_id)))
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def test_disable_warnings(self):
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self.assertEqual(0, GetFlag("disable_warnings"))
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self.assertEqual(
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0,
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GetFlag(
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"disable_warnings",
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"--kokkos-disable-warnings=0"))
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self.assertEqual(
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1,
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GetFlag(
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"disable_warnings",
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"--kokkos-disable-warnings=1"))
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def test_tune_internals(self):
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self.assertEqual(0, GetFlag("tune_internals"))
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self.assertEqual(
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0,
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GetFlag(
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"tune_internals",
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"--kokkos-tune-internals=0"))
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self.assertEqual(
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1,
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GetFlag(
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"tune_internals",
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"--kokkos-tune-internals=1"))
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if __name__ == '__main__':
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unittest.main()
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