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Tuesday, April 9 • 5:10pm - 5:40pm
SYCL compiler: zero-cost abstraction and type safety for heterogeneous computing

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SYCL is an abstraction layer for C++, that allows a developer to write heterogeneous programs in a "single source" model, where host and device code are written in the same file. Utilizing modern C++ features, SYCL provides a way to develop type-safe and efficient programs for various accelerator devices.

Although SYCL is designed as "extension-free" standard C++ API, there is a need to have some compiler extensions to enable C++ code execution on accelerators. SYCL compiler is responsible for "extracting" device part of code and compiling it to SPIR-V format or device native binary. In addition to that, compiler should also emit auxiliary information, which is used by SYCL runtime to run a device code via OpenCL API.

This talk will go over technical details of the SYCL compiler, and the changes we need to make in order to bring full support for SYCL into upstream LLVM and Clang as described in the RFC: https://lists.llvm.org/pipermail/cfe-dev/2019-January/060811.html

Speakers

Tuesday April 9, 2019 5:10pm - 5:40pm CEST
Charleston