On Fri, Jan 29, 2016 at 01:15:51PM +0530, Jerin Jacob wrote: > This patchset fixes performance/cache resource issues with 128-byte cache > line targets > found in mbuf and bitmap DPDK libraries > > Currently, we have two DPDK targets(ThunderX and ppc_64) which are based on > 128-bytes cache line size target. > > This patchset doesn't introduce any performance degradation > for 64-bytes cache line size targets. > > v1..v2 > - Introduced new cache macro definitions as Suggested by Konstantin > - Reduced the cache alignment requirement for 128-byte cache targets in > slow-path data structures to save the memory > - Verified x86(a 64byte cacheline target) does not have any impact on these > changes by > verifying the md5sum of app/test,app/testpmd, app/testacl binaries with > or without this patch set > > v2..v3 > > revert the cache alignment of rte_ring_debug_stats, > rte_mempool_debug_stats structures > > v3..v4 > replaced RTE_CACHE_MIN_LINE_SIZE with RTE_CACHE_LINE_MIN_SIZE as suggested by > olivier.matz at 6wind.com > > For clean git am, "config: cleanup existing RTE_CACHE_LINE_SIZE selection > scheme" > patch needs to apply first > > Jerin Jacob (4): > eal: Introduce new cache line macro definitions > mbuf: fix performance/cache resource issue with 128-byte cache line > targets > bitmap: optimize for 128-bytes cache line targets > cache/slow-path: reduce cache align requirement for 128-byte cache > targets >
ping for review/merge > app/test/test_mbuf.c | 2 +- > lib/librte_eal/common/include/rte_memory.h | 16 > ++++++++++++++++ > .../linuxapp/eal/include/exec-env/rte_kni_common.h | 4 +++- > lib/librte_ether/rte_ethdev.h | 4 ++-- > lib/librte_mbuf/rte_mbuf.h | 2 +- > lib/librte_sched/rte_bitmap.h | 10 +++++----- > 6 files changed, 28 insertions(+), 10 deletions(-) > > -- > 2.1.0 >
