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

[Daniel Hodges]

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