<i>chipStar</i> : Making HIP/CUDA applications cross-vendor portable by building on open standards

Velesko, Paulius; Jääskeläinen, Pekka; Linjamaki, Henry; Babej, Michal; Tu, Peng; Sarkar, Sarbojit; Ashbaugh, Ben; Bertoni, Colleen; Chen, Jenny; C. Roth, Philip; Elwasif, Wael; Gayatri, Rahulkumar; Zhao, Jisheng; Herbst, Karol; Harms, Kevin; Videau, Brice

doi:10.1177/10943420261423001

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<i>chipStar</i> : Making HIP/CUDA applications cross-vendor portable by building on open standards

Published in The International Journal of High Performance Computing Applications • Feb 14, 2026

Authors:

Paulius Velesko

Pekka Jääskeläinen

Henry Linjamaki

Abstract

We describe chipStar , an open source software stack that enables building unmodified CUDA and HIP programs into binaries that rely solely on open cross-vendor compute standards OpenCL and SPIR-V. The relevant technical aspects of chipStar and the feature mismatches between the CUDA/HIP APIs and Ope...

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