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net/ice: enlarge Rx queue rearm threshold to 64
[ upstream commit 295906f ] We observe performance drop on ice AVX512 data path after stop and start by using testpmd. As CPU polling is faster in AVX512 path, L3 contested accesses is intensified when rxrearm_start is a random value after testpmd stop/start. Enlarge ICE_RXQ_REARM_THRESH to 64 to ease the contested accesses and fix the performance drop issue. Signed-off-by: Leyi Rong <leyi.rong@intel.com> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
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