________________________________________ From: Honnappa Nagarahalli <[email protected]> Sent: Friday, May 3, 2019 6:27 AM To: Jakub Grajciar; Ferruh Yigit; [email protected]; Honnappa Nagarahalli Cc: nd; nd Subject: RE: [dpdk-dev] [RFC v5] /net: memory interface (memif)
> On 3/22/2019 11:57 AM, Jakub Grajciar wrote: > > Memory interface (memif), provides high performance packet transfer > > over shared memory. > > > > Signed-off-by: Jakub Grajciar <[email protected]> > <...> > With that in mind, I believe that 23Mpps is fine performance. No > performance target is > defined, the goal is to be as fast as possible. Use of C11 atomics have proven to provide better performance on weakly ordered architectures (at least on Arm). IMO, C11 atomics should be used to implement the fast path functions at least. This ensures optimal performance on all supported architectures in DPDK. Atomics are not required by memif driver.
