NVIDIA Appears To Finally Be Prepping OpenCL 2.0 Driver Support
Written by Michael Larabel in NVIDIA on 17 February 2017 at 09:34 AM EST. 13 Comments
NVIDIA --
The OpenCL 2.0 specification is going on four years old and it appears NVIDIA's proprietary drivers are finally getting ready to support this newer GPGPU computing specification.

Embarrassingly, NVIDIA hasn't supported OpenCL 2.0 by their drivers as they have been more focused on their own GPU computing standard, CUDA. Their drivers have been limited to OpenCL 1.2 even while the OpenCL 2.0 specification is over three years old and a NVIDIA employee is who leads The Khronos Group. Fortunately, in 2017, it's looking like things are changing.

This week NVIDIA released the 378.66 driver for Windows and notably it includes "evaluation support" for OpenCL 2.0.

As of writing they haven't yet released an OpenCL 2.0 Linux driver, but that's only a matter of time to follow with it landing in the Windows driver and Linux GPU computing being of much importance to NVIDIA. OpenCL 2.0 is what AMD's proprietary OpenCL driver stack has supported for years and recently Intel's Beignet stack rolled out CL 2.0. Let's just hope the turnaround time to them supporting OpenCL 2.1 won't be as long.

OpenCL 2.0 introduced C11 atomics, support for pipes, images support, a generic address space, shared virtual memory, and other improvements. OpenCL 2.1 meanwhile from 2015 is what brought SPIR-V support in common with Vulkan, OpenCL C++ derived from C++14, new subgroup features, low-latency device timer queries, and other improvements. OpenCL 2.2 meanwhile is available in provisional form.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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