https://bugs.dpdk.org/show_bug.cgi?id=916
Bug ID: 916
Summary: [20.11.4-rc1][mlx5] 2% single core packet forwarding
performance degradation
Product: DPDK
Version: 20.11
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
The patch d95c7a669d03 ("mbuf: fix reset on mbuf free") is causing a ~2%
performance regression in 20.11.4-rc1 (50.3 -> 49 mpps).
Testpmd command: build/app/dpdk-testpmd -n 4 -a 0000:82:00.0 -a 0000:82:00.1 -c
0x9000 -- -i --nb-cores=1 --txd=256 --rxd=256 --auto-start
Traffic generator used is TREX with traffic pattern (Ether / IP / UDP).
OS: Ubuntu 18.04
NIC: ConnectX-5
MLNX_OFED: MLNX_OFED_LINUX-5.4-3.1.0.0
FW: 16.31.2006
See this thread:
https://inbox.dpdk.org/dev/dm4pr12mb51675b979cbd86c74394bf74da...@dm4pr12mb5167.namprd12.prod.outlook.com/
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