Bogdan Opanchuk <mantihor(a)gmail.com&gt; writes: > Hello, > > Does PyCUDA support struct arguments to kernels? From the Python side > it means an element of an array with a struct dtype (a numpy.void > object), e.g. > > dtype = numpy.dtype([('first', numpy.int32), ('second', numpy.int32)]) > pair = numpy.empty(1, dtype)[0] > > See https://gist.github.com/Manticore/15383a1ae367bfc6efe8 for an > example of the functionality in question. It fails on ``get_second()`` > call complaining about the second argument (the structure). > > An analogous code in PyOpenCL works fine, but as far as I understand > from its source, it uses a somewhat different mechanism of argument > passing as compared to what is employed by PyCUDA. The following minor variant works: https://gist.github.com/inducer/88ac86874112b0e126ce (The point is that the argument has to be an array to be recognized. A 'scalar' of a derived dtype will not work.) Andreas