On Mon, Aug 11, 2025 at 02:47:17PM +0200, Morten Brørup wrote: > > From: Morten Brørup [mailto:[email protected]] > > Sent: Tuesday, 24 June 2025 08.13 > > > > When fast releasing mbufs, the mbufs are not accessed, so do not prefetch > > them. > > This saves a mbuf load operation for each fast released TX mbuf. > > > > When fast release of mbufs is enabled for a TX queue, cache the mbuf > > mempool pointer in the TX queue structure. > > This saves one mbuf load operation for each burst of fast released TX > > mbufs. > > > > The txep->mbuf pointer is not used after the mbuf has been freed, so do > > not reset the pointer. > > This saves a txep store operation for each TX mbuf freed. > > > > Signed-off-by: Morten Brørup <[email protected]> > > --- > > After further consideration, I think this patch should be split in two: > 1. Remove superfluous code: prefetching mbufs and resetting txep->mbuf > pointers. > 2. Cache the mbuf mempool pointer for FAST_FREE. > Hi Morten,
any plans for a new version of this patch (split or otherwise)? This is popped up again on my list in patchwork and want to decide what to do with it for this release. :-) /Bruce
