Portable Performance Across CPUs and GPUs | Intel Software

Опубликовано 6 июня 2023, 19:49

This is one of the live demos at ISC23 to demonstrate performance and portability of two scientific applications using SYCL (DPEcho) and Fortran+OpenMP offloading (GRILLIX) for both CPUs and GPUs.

The benefit of offloading code to Intel Max Series GPUs, multivendor portability of SYCL (DPEcho only)​, single codebase CPU/GPU capability of SYCL (DPEcho only)​, discussion about performance and portability to Max Series GPUs via Intel oneAPI tools (i.e. Ifx, icx, icpx)​, out-of-the-box performance gains for upgrading from 3rd to 4th generation Intel Xeon processors​, and simplicity of the framework​.

In this demo we show the implementation, performance and portability of two scientific applications using SYCL (DPEcho) and Fortran+OpenMP offloading (GRILLIX) for Intel XPUs. We compare the performance of these codes for the 3rd and 4th Generation Intel Xeon Processors as well as the performance of the GPU-Offloaded version for Intel Max Series GPU, focusing on the multivendor portability of the SYCL code.

What is new and compelling about this demo?​

The new Intel Fortran Compiler, the OpenMP Offloading features, the Fortran-native GPU programming capabilities, the performance improvements of SPR and PVC, portability of SYCL between platforms (i.e. H100 vs. PVC). Performance results are new to this demo.​

Intel® Fortran Compiler: bit.ly/3IZyzD0

OpenMP* Offload Basics: bit.ly/3OZKW5M

oneAPI: A New Era of Heterogeneous Computing: bit.ly/3J1fIY6

Intel® Developer Cloud: cloud.intel.com

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Portable Performance Across CPUs and GPUs | Intel Software