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The Saturn Vector Unit (Version 0.9)

Microarchitectural manual here.

This repository contains the Chisel source RTL for the Saturn Vector Unit, a parameterized RVV 1.0 vector unit. Saturn supports the entire RVV 1.0 application-profile specification, including

  • V-extension (Full application-profile V)
  • Zve64d - supports FP64, ELEN=64
  • Zvfh - supports FP16
  • Zvbb - support basic vector bit manipulation
  • Zvl64/128/256/512/1024 - configurable VLEN
  • Indexed/strided/segmented loads and stores
  • Virtual memory with precise traps
  • Full chaining with zero dead-time
  • Configurable SIMD datapath width (64/128/256/512+)

Using Saturn

This repository cannot be used stand-alone. Saturn is intended to be used to generate vector-enabled RISC-V cores and SoCs through the Chipyard SoC design framework.