Hi! On Mon, 12 Oct 2015 20:27:32 +0300, Νίκος Αντωνιάδης <annikos@xxxxxxxxx> wrote: > I've downloaded and compiled the latest gcc: [...] > using the instructions from > http://scelementary.com/2015/04/25/openacc-in-gcc.html > in order to enable the OpenACC support in gcc. Thanks for your interest! > GPU: GeForce GTX 275 According to the table on <https://en.wikipedia.org/wiki/CUDA>, GeForce GTX 275 supports Compute Capability 1.3, but GCC (in particular, the nvptx backend) only supports 3.0 and higher. > libgomp: cuMemHostGetDevicePointer error: invalid device Not an ideal error message, I agree. > I would like to mention that CUDA is working well on my machine. > Is it a misconfiguration/miscompilation of myself while compiling gcc or > a bug in libgomp? Missing support in GCC's nvptx backend, primarily. And, that's unlikely to be added, unless someone steps up to contribute/maintain such support. Grüße Thomas
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