Re: [RFC PATCH 0/2] io_uring: add IPC channel infrastructure

[Daniel Hodges]

On Sat, Mar 14, 2026 at 10:54:15AM -0600, Jens Axboe wrote:
> On 3/14/26 7:50 AM, Daniel Hodges wrote:
> > On Thu, Mar 13, 2026 at 01:07:37PM +0000, Daniel Hodges wrote:
> >> Performance (virtme-ng VM, single-socket, msg_size sweep 64B-32KB):
> >>
> >>   Point-to-point latency (64B-32KB messages):
> >>     io_uring unicast: 597-3,185 ns/msg (within 1.5-2.5x of pipe for small msgs)
> > 
> > Benchmark sources used to generate the numbers in the cover letter:
> > 
> >   io_uring IPC modes (broadcast, multicast, unicast):
> >     https://gist.github.com/hodgesds/fbcd8bb8497bc0ec2bf1f95244a984fe#file-io_uring_ipc_bench-c
> > 
> >   IPC comparison (pipes, unix sockets, shm+eventfd):
> >     https://gist.github.com/hodgesds/fbcd8bb8497bc0ec2bf1f95244a984fe#file-ipc_comparison_bench-c
> 
> Thanks for sending these, was going to ask you about them. I'll take a
> look at your patches Monday.
> 
> -- 
> Jens Axboe

No rush, thanks for taking the time!

-Daniel