SC20 Proceedings

The International Conference for High Performance Computing, Networking, Storage, and Analysis

The oneAPI Software Abstraction for Heterogeneous Computing

Moderator: Sujata Tibrewala (Intel Corporation)

Panelists: Rafael Asenjo (University of Malaga, Spain), Erik Lindahl (Stockholm University; Science For life Laboratory, Sweden), Xiaozhu Meng (Rice University), Michael Wong (Codeplay Software Ltd), David Hardy (University of Illinois), Maria Garzaran (Intel Corporation)

Abstract: OneAPI is a cross-industry, open, standards-based unified programming model. The oneAPI specification extends existing developer programming models to enable a diverse set of hardware through language, a set of library APIs and a low-level hardware interface to support cross-architecture programming. It builds upon industry standards and provides an open, cross-platform developer stack to improve productivity and innovation. At the core of oneAPI is the DPC++ programming language, which builds on the ISO C++ and Khronos SYCL standards. DPC++ provides explicit parallel constructs and offload interfaces to support a broad range of accelerators. In addition to DPC++, oneAPI also provides libraries for compute- and data-intensive domains; e.g., deep learning, scientific computing, video analytics and media processing. Finally, a low-level hardware interface defines a set of capabilities and services to allow a language runtime system to effectively utilize a hardware accelerator.


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