Evaluating CUDA Portability with HIPCL and DPCT

Jin, Zheming; Vetter, Jeffrey

doi:10.1109/IPDPSW52791.2021.00065

Evaluating CUDA Portability with HIPCL and DPCT

Conference · Tue Jun 01 00:00:00 EDT 2021

DOI:https://doi.org/10.1109/IPDPSW52791.2021.00065· OSTI ID:1838992

Jin, Zheming ^[1]; ^[1]

ORNL

HIPCL is expanding the scope of the CUDA portability route from an AMD platform to an OpenCL platform. In the meantime, the Intel DPC++ Compatibility Tool (DPCT) is migrating a CUDA program to a data parallel C++ (DPC++) program. Towards the goal of portability enhancement, we evaluate the performance of the CUDA applications from Rodinia, SHOC, and proxy applications ported using HIPCL and DPCT on Intel GPUs. After profiling the ported programs, we aim to understand their performance gaps, and optimize codes converted by DPCT to improve their performance. The open-source repository for the CUDA, HIP, and DPCT programs will be useful for the development of a translator.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC)

DOE Contract Number:: AC05-00OR22725

OSTI ID:: 1838992

Country of Publication:: United States

Language:: English

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