On Sun, 3 Oct 2010 01:44:35 +1000, Bogdan Opanchuk <manti...@gmail.com> wrote: > Hello all, > > I am getting LogicError from gpuarray.to_gpu_async() for some reason. Code:
Any host memory involved in *_async() must be page-locked. FTFY: import pycuda.autoinit import pycuda.driver as drv import pycuda.gpuarray as gpuarray import numpy a = numpy.random.randn(400).astype(numpy.float32) a2 = drv.pagelocked_empty_like(a) a2[:] = a stream = drv.Stream() a_gpu = gpuarray.to_gpu_async(a2, stream=stream) Andreas
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