Performance evaluation of iPIC3D, PLUTO, and OpenGadget3 on RISC-V shows 3-9x slowdowns versus x86 and ARM due to bandwidth, cache, vector width, and compiler issues.
The Astrophysical Journal Supplement Series 170(1), 228–242 (2007)
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Is RISC-V Ready for Massively Parallel Astrophysical Codes?
Performance evaluation of iPIC3D, PLUTO, and OpenGadget3 on RISC-V shows 3-9x slowdowns versus x86 and ARM due to bandwidth, cache, vector width, and compiler issues.