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author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-09-06 22:30:00 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2019-09-07 18:10:34 +0200 |
commit | e681cc603a79b5907a7388e1d4587779b0fe8ff2 (patch) | |
tree | 055d750a7e240746bcbbc475736228674b3c0d07 /scripts | |
parent | e7b159a48ba6f7c243881c7ef3afa6e8785c0826 (diff) | |
download | linux-e681cc603a79b5907a7388e1d4587779b0fe8ff2.tar.bz2 |
net/tls: align non temporal copy to cache lines
Unlike normal TCP code TLS has to touch the cache lines
it copies into to fill header info. On memory-heavy workloads
having non temporal stores and normal accesses targeting
the same cache line leads to significant overhead.
Measured 3% overhead running 3600 round robin connections
with additional memory heavy workload.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions