|Re: [eigen] Eigen to use OpenCL on GPUs and FPGAs using SYCL.|
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hi Ben, Godeffroy|
thanks for the prompt feedback!
The OpenCL 2.1 C++ kernel language and the SYCL 2.1 interface and kernel language will be converging. SYCL 2.1 will be ensuring backwards compatibility with SYCL 1.2, so it is a very good baseline for current work.
The real differences between the two are:
1) SYCL is single source and OpenCL 2.1 C++ kernel will require separate file for the kernel.
2) SYCL will run on current and future devices where OpenCL 2.1 will run only on future devices.
Regarding compiler requirements:
The host compiler can be anything you like.
There is a dependency on the device compiler that will run through device kernel part of the code.
At this point in time you can use open-source implementation called triSYCL ( https://github.com/amd/triSYCL ) which doesn't have OpenCL but runs on CPU with OpenMP support.
Here at Codeplay we are working on the SYCL device compiler as well. But at this stage, we cannot provide it to public - however evaluation program is open for the sign-up requests ( https://www.codeplay.com/products/computecpp ).
On 02/09/15 17:50, Godeffroy VALET wrote:
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