Displaying 2 results from an estimated 2 matches for "xuanti".
Did you mean:
nuanti
2020 Aug 25
2
回复： [RFC] Add a new backend called CSKY
...posed of ourselves, Chip companies and some university institutions to develop the software ecosystem on this architecture. As shown in the figure below, I will try to briefly introduce the roadmap of this architecture. There are already a series of processors based on this architecture (we call it XuanTie 800 series) have been released, from the smallest cost 801 to high-performance computing 860, the size of the icon on the picture implies the cost of each processor.Each processor has different characteristics and application scenarios, a simple description has been marked on the picture.
We are...
2023 Sep 11
0
[PATCH V11 04/17] locking/qspinlock: Improve xchg_tail for number of cpus >= 16k
...aba.com>
>
> The target of xchg_tail is to write the tail to the lock value, so
> adding prefetchw could help the next cmpxchg step, which may
> decrease the cmpxchg retry loops of xchg_tail. Some processors may
> utilize this feature to give a forward guarantee, e.g., RISC-V
> XuanTie processors would block the snoop channel & irq for several
> cycles when prefetch.w instruction (from Zicbop extension) retired,
> which guarantees the next cmpxchg succeeds.
>
> Signed-off-by: Guo Ren <guoren at linux.alibaba.com>
> Signed-off-by: Guo Ren <guoren at ke...