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arXiv · 2504.03677

Work-In-Progress: Accelerating Numpy With OpenBLAS For Open-Source RISC-V Chips

Cyril Koenig·Enrico Zelioli·Frank K. Gürkaynak·Luca Benini
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Abstract

RISC-V allows for building general-purpose computing platforms with programmable accelerators around a single open-source ISA. However, leveraging heterogeneous SoCs within high-level applications is a tedious task. In this preliminary work, we modify the OpenBLAS library to offload selected linear kernels to a programmable manycore accelerator (PMCA) using OpenMP. By linking the Python package Numpy against this library, we enable acceleration of high-level applications. We target an open-source heterogeneous System-on-Chip with a rv64g Linux capable host and a rv32imafd PMCA. Using this platform emulated on FPGA, and the presented software stack, we can accelerate Phyton applications with linear algebra operators like matrix multiplication.

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Cyril Koenig, Enrico Zelioli, Frank K. Gürkaynak, Luca Benini. 2025-03-21. Work-In-Progress: Accelerating Numpy With OpenBLAS For Open-Source RISC-V Chips. https://arxiv.org/abs/2504.03677

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