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Add --list-devices option

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This commit is contained in:
Steven Robertson 2017-05-15 12:01:25 -07:00
parent 29c595ddc5
commit 04702d7903
1 changed files with 22 additions and 4 deletions
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26
main.py
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@ -110,6 +110,18 @@ def main(args, prof):
finally: finally:
cuda.Context.pop() cuda.Context.pop()
def list_devices():
import pycuda.driver as cuda
cuda.init()
for i in range(cuda.Device.count()):
dev = cuda.Device(i)
attrs = dev.get_attributes()
print 'Device %d (%s): compute %d.%d, free mem %d, PCI %s' % (
i, dev.name(),
attrs[cuda.device_attribute.COMPUTE_CAPABILITY_MAJOR],
attrs[cuda.device_attribute.COMPUTE_CAPABILITY_MINOR],
dev.total_memory(), dev.pci_bus_id())
if __name__ == "__main__": if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Render fractal flames.') parser = argparse.ArgumentParser(description='Render fractal flames.')
@ -137,12 +149,18 @@ if __name__ == "__main__":
help='Use half-loops when converting nodes to animations') help='Use half-loops when converting nodes to animations')
parser.add_argument('--print', action='store_true', parser.add_argument('--print', action='store_true',
help="Print the blended animation and exit.") help="Print the blended animation and exit.")
parser.add_argument('--list-devices', action='store_true',
help="List devices and exit.")
parser.add_argument('--device', metavar='NUM', type=int, parser.add_argument('--device', metavar='NUM', type=int,
help="GPU device number to use (from nvidia-smi).") help="GPU device number to use (may differ from nvidia-smi).")
parser.add_argument('--keep', action='store_true', parser.add_argument('--keep', action='store_true',
help="Keep compiled kernels to help with profiling") help="Keep compiled kernels to help with profiling")
profile.add_args(parser) profile.add_args(parser)
args = parser.parse_args() args = parser.parse_args()
pname, prof = profile.get_from_args(args)
main(args, prof) if args.list_devices:
list_devices()
else:
pname, prof = profile.get_from_args(args)
main(args, prof)