[dpdk-test-report] |FAILURE| pw48922 [PATCH] eal: remove variable length array

[dpdklab at iol.unh.edu]

Test-Label: intel-Performance-Testing
Test-Status: FAILURE
http://dpdk.org/patch/48922

_Performance Testing issues_

Submitter: Jeff Shaw <jeffrey.b.shaw at intel.com>
Date: Friday, December 14 2018 16:38:27 
DPDK git baseline: Repo:dpdk
  Branch: master
  CommitID:ef8b7c505f10897621c0801d8ef3e961385246f8

48922 --> performance testing fail

Test environment and result as below:

Ubuntu 17.10
Kernel: 4.13.0-43-generic
GCC: gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
NIC: Intel Corporation Ethernet Converged Network Adapter XL710-QDA2 40000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 0/2

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 512     | -0.036                              |
+------------+---------+-------------------------------------+
| 64         | 2048    | 0.047                               |
+------------+---------+-------------------------------------+

Ubuntu 17.10
Kernel: 4.13.0-43-generic
GCC: gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
NIC: Intel Corporation Ethernet Converged Network Adapter 82599ES 10000 Mbps
Target: x86_64-native-linuxapp-gcc
Fail/Total: 2/3

Detail performance results: 
+------------+---------+-------------------------------------+
| frame_size | txd/rxd | throughput difference from expected |
+============+=========+=====================================+
| 64         | 128     | -6.601                              |
+------------+---------+-------------------------------------+
| 64         | 512     | -7.040                              |
+------------+---------+-------------------------------------+
| 64         | 2048    | -0.166                              |
+------------+---------+-------------------------------------+

UNH-IOL DPDK Performance Test Lab