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authorDaniel Jurgens <danielj@mellanox.com>2018-11-05 16:05:37 -0600
committerSaeed Mahameed <saeedm@mellanox.com>2018-12-11 14:52:20 -0800
commit939de57d30344ce728b0de61be87984e75af420e (patch)
treedc42835752a817f639508f23b45b1601fd644861 /tools/perf/scripts/python/stackcollapse.py
parent8c4dc42bf6e4ffeda49cf5e26bfc991b548fc0aa (diff)
net/mlx5e: Use CQE padding for Ethernet CQs
Writing 64B CQEs to 128B cache lines results in a RMW operation. Padding the CQEs to 128B if possible improves performance on 128B cache line systems like PPC. Testing on PPC showed up to a 24% improvement in small packet throughput vs the default behavior, depending on the workload and system topology. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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