[dpdk-test-report] |FAILURE| pw96222-96225 [PATCH] [v1, 4/4] net/i40e: change code order to reduce L1 cache misses

dpdklab at iol.unh.edu dpdklab at iol.unh.edu
Fri Jul 23 06:22:50 CEST 2021


Test-Label: iol-intel-Performance
Test-Status: FAILURE
http://dpdk.org/patch/96225

_Performance Testing issues_

Submitter: Feifei Wang <feifei.wang2 at arm.com>
Date: Friday, July 23 2021 03:10:49 
DPDK git baseline: Repo:dpdk
  Branch: master
  CommitID:b8617fcc511cd1cba3c32632612265b5d0f1184b

96222-96225 --> performance testing fail

Test environment and result as below:

Ubuntu 20.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Intel Corporation Ethernet Converged Network Adapter XL710-QDA2 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 1/4

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 512     | 1        | 1           | 1.7%                         |
+------------+---------+----------+-------------+------------------------------+
| 64         | 2048    | 1        | 1           | -1.1%                        |
+------------+---------+----------+-------------+------------------------------+
| 1          | 2       | 512      | 64          | -0.3%                        |
+------------+---------+----------+-------------+------------------------------+
| 1          | 2       | 2048     | 64          | -5.7%                        |
+------------+---------+----------+-------------+------------------------------+

Ubuntu 20.04
Kernel: 4.15.0-generic
Compiler: gcc 7.4
NIC: Intel Corporation Ethernet Converged Network Adapter 82599ES 10000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/4

Detail performance results: 
+------------+---------+----------+-------------+------------------------------+
| frame_size | txd/rxd | num_cpus | num_threads |  throughput difference from  |
|            |         |          |             |           expected           |
+============+=========+==========+=============+==============================+
| 64         | 512     | 1        | 1           | -0.3%                        |
+------------+---------+----------+-------------+------------------------------+
| 64         | 2048    | 1        | 1           | 0.0%                         |
+------------+---------+----------+-------------+------------------------------+
| 1          | 2       | 512      | 64          | 0.1%                         |
+------------+---------+----------+-------------+------------------------------+
| 1          | 2       | 2048     | 64          | -0.2%                        |
+------------+---------+----------+-------------+------------------------------+

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/patchsets/17949/

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