Treffer: ALPI: Enhancing portability and interoperability of task-aware libraries
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Task-based programming models are a promising approach to exploiting complex distributed and heterogeneous systems. However, integrating different communication, offloading, and storage APIs within tasks poses performance and deadlock risks. Several Task-Aware libraries, such as TAMPI, TASIO, and TACUDA, have been developed to integrate blocking and non-blocking APIs within task-based programming models efficiently. In this paper, we introduce the Asynchronous Low-level Programming Interface (ALPI) to enable the interoperability and portability of Task-Aware libraries across various programming models and runtime systems. We have implemented ALPI in the Nanos6 and nOS-V runtimes, enhancing the integration of Task-Aware libraries with the OmpSs-2 and OpenMP programming models. This work is a step towards improving the composability of parallel programming models by supporting Task-Aware libraries across different runtime systems. ; This work was supported by the Spanish Ministry of Science and Innovation (grant PID2019-107255GB) and the Severo Ochoa Program (grant CEX2021-001148-S), both funded by MCIN/AEI/10.13039/501100011033. The Generalitat de Catalunya also supported this work via grant 2021-SGR-01007. ; Peer Reviewed ; Postprint (author's final draft)