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This question:

Does NVidia support OpenCL SPIR?

was asked 5 years ago. Since then, NVIDIA support for Khronos OpenCL has improved over this period, and it has also adopted Khronos Vulkan (of which I know little), I was wondering whether things had changed w.r.t. SPIR (the Khronos standards equivalent of PTX, if you will) as well.

einpoklum
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1 Answers1

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No change. NVIDIA does not support the cl_khr_spir extension ("SPIR 1.2") in their otherwise nice OpenCL 1.2 drivers (and SPIR-V is a 2.x thing, so also not supported).

Dithermaster
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  • But hasn't there been some experimental OpenCL 2.x support in recent NVIDIA drivers? – einpoklum Jul 24 '18 at 17:14
  • Yes, there have been 2.x additions. I almost wrote "OpenCL 1.2+ drivers" since that's what they call them, but I didn't want to confuse the topic. However, none of the 2.x additions include SPIR support at this time, that I know of. – Dithermaster Jul 25 '18 at 12:54