[dpdk-dev] [PATCH v3 1/2] mempool: add stack (lifo) mempool handler
thomas.monjalon at 6wind.com
Mon Jun 20 15:54:20 CEST 2016
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/
Jerin, are you volunteer?
More information about the dev