Patch set 49506–49631

net/mlx5: fix instruction hotspot on replenishing Rx buffer

Submitter
Yongseok Koh
Applied on
dpdk (9d1d6a7c7747173b4cb5a882316a0e3b5e1585dc)
Date submitted
Jan. 9, 2019, 8:54 a.m.
Tarball
dpdk.tar.gz

Test Results Pass

Expand

Configuration Information

Kernel
linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
Linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
Linux 4.15.0-generic
Compiler
gcc 7.4

Configuration Information

Kernel
freebsd 11.2
Compiler
gcc 8.3

Configuration Information

Kernel
linux 4.18.0.el8_0
Compiler
gcc 8.2

Configuration Information

Kernel
Linux 4.13.0-43-generic
Compiler
gcc gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0

nic_single_core_perf

Test run at
Jan. 9, 2019, 9:12 a.m.
Fail/Total
0/2
Result frame_size (bytes) txd/rxd (descriptors) throughput Difference (Mpps)
PASS 64 512 0.26100
PASS 64 2048 -0.37300

Configuration Information

Kernel
Linux 4.13.0-43-generic
Compiler
gcc gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0

nic_single_core_perf

Test run at
Jan. 9, 2019, 9:12 a.m.
Fail/Total
0/3
Result frame_size (bytes) txd/rxd (descriptors) throughput Difference (Mpps)
PASS 64 128 0.00300
PASS 64 512 -0.10000
PASS 64 2048 0.27500

Configuration Information

Kernel
linux 4.4.0-109-generic
Compiler
gcc 5.4.0-6ubuntu1~16.04.6

nic_single_core_perf

Test run at
Jan. 9, 2019, 9:14 a.m.
Fail/Total
0/6
Result frame_size (bytes) txd/rxd (descriptors) throughput Difference (Mpps)
PASS 64 256 -0.24300
PASS 128 256 -0.12400
PASS 256 256 0.11100
PASS 512 256 -0.06100
PASS 1024 256 0.00200
PASS 1518 256 0

Configuration Information

Kernel
linux 4.4.0-109-generic
Compiler
gcc 5.4.0-6ubuntu1~16.04.6

nic_single_core_perf

Test run at
Jan. 9, 2019, 9:24 a.m.
Fail/Total
0/6
Result frame_size (bytes) txd/rxd (descriptors) throughput Difference (Mpps)
PASS 64 256 -0.49700
PASS 128 256 -0.29700
PASS 256 256 -0.19700
PASS 512 256 -0.11700
PASS 1024 256 0.05500
PASS 1518 256 0.01600

Configuration Information

Kernel
linux 4.4.0-109-generic
Compiler
gcc 5.4.0-6ubuntu1~16.04.6

nic_single_core_perf

Test run at
Jan. 9, 2019, 9:34 a.m.
Fail/Total
0/6
Result frame_size (bytes) txd/rxd (descriptors) throughput Difference (Mpps)
PASS 64 256 -0.03200
PASS 128 256 -0.02400
PASS 256 256 -0.01100
PASS 512 256 -0.05200
PASS 1024 256 0.00100
PASS 1518 256 -0.00700

Disclaimers

Intel Corporation:

Software and workloads used in performance tests may have been optimized for performance only on Intel microprocessors.

Performance tests, such as SYSmark and MobileMark, are measured using specific computer systems, components, software, operations and functions. Any change to any of those factors may cause the results to vary. You should consult other information and performance tests to assist you in fully evaluating your contemplated purchases, including the performance of that product when combined with other products. For more complete information visit www.intel.com/benchmarks.

Performance results are based on testing as of Jan. 9, 2019 and may not reflect all publicly available security updates. See configuration disclosure for details. No product can be absolutely secure.

Mellanox Technologies:

The tests and the results published here which refer to Mellanox' products or software, are provided "AS IS". Mellanox disclaims all warranties, including, but not limited to, any warranty of title, non-infringement, merchantability, security and fitness of any results.