> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Thomas Monjalon > Sent: Monday, June 20, 2016 2:54 PM > To: Jerin Jacob > Cc: dev at dpdk.org; Hunt, David; olivier.matz at 6wind.com; viktorin at > rehivetech.com; shreyansh.jain at nxp.com > Subject: Re: [dpdk-dev] [PATCH v3 1/2] mempool: add stack (lifo) mempool > handler > > 2016-06-20 18:55, Jerin Jacob: > > On Mon, Jun 20, 2016 at 02:08:10PM +0100, David Hunt wrote: > > > This is a mempool handler that is useful for pipelining apps, where > > > the mempool cache doesn't really work - example, where we have one > > > core doing rx (and alloc), and another core doing Tx (and return). In > > > such a case, the mempool ring simply cycles through all the mbufs, > > > resulting in a LLC miss on every mbuf allocated when the number of > > > mbufs is large. A stack recycles buffers more effectively in this > > > case. > > > > > > Signed-off-by: David Hunt <david.hunt at intel.com> > > > --- > > > lib/librte_mempool/Makefile | 1 + > > > lib/librte_mempool/rte_mempool_stack.c | 145 > > > +++++++++++++++++++++++++++++++++ > > > > How about moving new mempool handlers to drivers/mempool? (or similar). > > In future, adding HW specific handlers in lib/librte_mempool/ may be bad > > idea. > > You're probably right. > However we need to check and understand what a HW mempool handler will be. > I imagine the first of them will have to move handlers in drivers/
Does it mean it we'll have to move mbuf into drivers too? Again other libs do use mempool too. Why not just lib/librte_mempool/arch/<arch_specific_dir_here> ? Konstantin > Jerin, are you volunteer?