On Thu, 17 Nov 2011 17:19:17 -0500, Andreas Kloeckner <li...@informa.tiker.net> wrote: > On Thu, 17 Nov 2011 22:44:47 +1300, Igor <rych...@gmail.com> wrote: > > Andreas, > > Ryan, > > > > How did you decide about the Modified Reduction.py that Ryan published > > here: http://lists.tiker.net/pipermail/pycuda/2011-June/003196.html > > > > It promises to do exactly what I want, yet I'm not sure it was > > committed or can still be applied as a patch to the more recent > > release of PyCUDA ReductionKernel. I tried anyway and got compilation > > problems from nvcc, identifier "x" is undefined, > > > > maxloc = ReductionKernel(dtype_out=numpy.int32, neutral="0", > > reduce_expr="(x[(int)a] > x[(int)b]) ? (int)a : (int)b", map_expr="i", > > arguments="float *x") > > What I'd like to do is to allow registration of custom dtypes so that > dtype_to_ctype knows what C type names to spit out. This shouldn't be > much work and will have the benefit of working across all PyCUDA > routines. I'll try to give it a shot tonight.
There's now also this: http://documen.tician.de/pycuda/array.html#pycuda.scan.pycuda.tools.register_dtype which makes this here possible: https://github.com/inducer/pycuda/blob/master/test/test_gpuarray.py#L764 Andreas
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