Re:RISC-V Is Sloooow
by bonzini on Tuesday March 10, 2026 @05:47PM
(#47329188)
LoongArch is, on a first approximation, an almost RISC-V user space instruction set together with MIPS-like privileged instructions and registers.
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Re:RISC-V Is Sloooow
by mananaysiempre on Tuesday March 10, 2026 @07:35PM
(#47330140)
Wait, this is a modern-ish ISA with a software-managed TLB, I didn’t realize that! The manual seems a bit unhappy about that part though:
> In the current version of this architecture specification, TLB refill and consistent maintenance between TLB and page tables are still [sic] all led by software.
https://loongson.github.io/LoongArch-Documentation/LoongArch...
I think they have already added hardware page table walks.