Thanks for v2.
I had a few extra comments on patch one
Sorry for nitpicking on this and sorry I wasn't clear enough on the signoff
requirements.
From CONTRIBUTING.md:
Co-authored-by: Author Name
Git can only record a single person as the author of a given
patch. In the rare event that a patch has multiple authors,
one must be given the credit in Git and the others must be
credited via Co-authored-by: tags. (All co-authors must also
sign off.)
There should be one signoff for the main author, plus one extra for
each coauthor. I always mix this up myself, but it would help if you
could send another version with the amended tags.
Daniele
2016-10-13 2:58 GMT-07:00 Bhanuprakash Bodireddy <
bhanuprakash.bodire...@intel.com>:
> This patch series is aimed at improving the performance of OVS-DPDK
> dpcls.
>
> With few thousand flows installed, the EMC becomes inefficient due
> to thrashing and the bottleneck moves to the dpcls. In EMC disabled
> case, through VTune we found that significant performance degradation
> is due to LLC thrashing, memory latency, machine clears and expensive
> hash computation.
>
> This first patch-set improves the dpcls performance by 15% (+1 Mpps)
> when EMC is disabled and OVS-DPDK built with CFLAGS="-O2 -g".
>
> Bhanuprakash Bodireddy (12):
> dpcls: Use 32 packet batches for lookups.
> Comment: ~120k performance throughput improvement.
>
> flow: Add comments to mf_get_next_in_map().
> Comment: Add comments to the function.
>
> flow: Skip invoking expensive count_1bits() with zero input.
> Comment: ~630k performance throughput improvement.
>
> hash: Skip invoking mhash_add__() with zero input.
> Comment: ~150k performance throughput improvement.
>
> dpif-netdev: Add comments to dp_netdev_input__().
> Comment: Add comments to the function.
>
> cmap: Remove prefetching in cmap_find_batch().
> Comment: ~39k performance throughput improvement.
>
> dpif-netdev: Cache align netdev_flow_keys.
> Comment: ~170k performance throughput improvement in EMC enabled
> case.
>
> dpif-netdev: Reorder elements in dp_netdev_port structure.
> dpif: Reorder elements in dpif_upcall structure.
> ovsdb: Reorder elements in ovsdb_table_schema structure.
> netlink-socket: Reorder elements in nl_dump structure.
> timeval: Reorder elements in clock structure.
> Comment: Reorder memeber variables of the structures to reduce
> pad bytes and there by the memory footprint.
>
> lib/cmap.c | 8 +---
> lib/dpif-netdev.c| 123 --
> -
> lib/dpif.h | 5 ++-
> lib/flow.h | 47 +++-
> lib/hash.h | 5 +++
> lib/netlink-socket.h | 6 +--
> lib/timeval.c| 4 +-
> ovsdb/table.h| 4 +-
> 8 files changed, 113 insertions(+), 89 deletions(-)
>
> --
> 2.4.11
>
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