Re: [PATCH 0/5] batch completion + freeing improvements
From: Jens Axboe
Date: Mon Jul 13 2020 - 21:08:31 EST
On 7/13/20 5:41 PM, Pavel Begunkov wrote:
> Different batching improvements, that's it.
>
> Unfortunately, I don't have a decent SSD/setup at hand to
> benchmark it properly.
I do though, but I'm not seeing any improvement with this, whereas
some of the previous series made nice improvements... If anything
maybe it's a bit slower.
> p.s. if extra 32 pointers on stack would be a problem, I wanted for
> long to put submit_state into ctx itself.
It's getting up there... But really depends on how early in the stack,
so 32 could _probably_ work, though usually batched on-stack counts
are a bit lower than that.
--
Jens Axboe