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CUDA-like runtime interface for Xeon Phi

Category: CUDA Published: Tuesday, 12 April 2016

The performance power of GPUs could be exposed to applications using two principal kinds of programming interfaces: with manual parallel programming (CUDA or OpenCL), or with directive-based extensions relying on compiler's capabilities of semi-automatic parallelization (OpenACC and OpenMP4). Unlike for GPUs, Intel has never offered an explicit CUDA-like interface for their Xeon Phi accelerators to general public, leaving OpenMP offloading directives as the only programming option.

Based on liboffloadmic, we have prototyped "micrt" - a programming interface to execute memory transfers and kernels, similarly to CUDA runtime. Find the code example and building instructions here.


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