On Tue, 28 Sep 2010 23:56:47 +0200, Tomasz Rybak <bogom...@post.pl> wrote: > I have idea for (maybe) checking whether problem is with PyCUDA, > CUDA toolkit, or driver. > Can you force PyCUDA to generate not sm_20 code, but 1x? > I have found that it is determined in line 190 of file > pycuda/compiler.py: > arch = "sm_%d%d" % Context.get_device().compute_capability() > Try to change it to > arch = "sm_10" > and so on, and check whether you get incorrect 14 in such > a case. > > If there is simpler way of changing architecture to which > PyCUDA generates code, feel free to use it and share this > information.
arch can be overridden from the SourceModule arguments: http://documen.tician.de/pycuda/driver.html#module-pycuda.compiler I'm getting 30;30 on a C2050 with the 3.2rc drivers/toolkit. Andreas
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