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Page Properties

Development

Status

colour	Green
title	COMPLETED

OpenBLAS architecture makes a truly scalable implementation difficult; we have augmented the VLEN=512 implementation with a Neon-comparable VLEN=128

Development Timeline

Upstreaming

Status

colour	BlueGreen
title	ONGOINGCOMPLETED

Upstream Version

Contacts

Ken Unger

Ken's PR was merged to the upstream RISC-V branch but is limited to VLEN=512 implementations

Imagination would support a general vector implementation

Dependencies

Updates

14 Dec 2023

Earlier upstreamed fixes have been merged to risc-v branch
Two new PRs submitted upstream:
- - An implementation supporting a 128-vector length: https://github.com/OpenMathLib/OpenBLAS/pull/4355
  - An improvement to the RVV kernel-generation script to make accurate use of LMUL

30 Oct 2023

Level 3 API implemented for 128-bit vector (separate from existing 512-bit vector)
Upstreaming of remaining work is blocked until 2 existing PRs merged

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