shm使用说明

shm演示

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性能测试

shm性能测试报告

OS： ubuntu 20.04 Desktop

CPU：海光3330E

内存：16G

内核：Linux sinsegye-Hygon 5.15.51-sinsegye-xenomai3

Gcc: 9.4.0

Iceoryx： v2.0.3

测试IPC通讯延时

使用iceorxy

Measurement Result

100000 round trips for each payload.

Payload Size [kB]	Average Latency [µs]
1	3.3
2	3.6
4	3.6
8	3.6
16	3.6
32	3.6
64	3.6
128	3.6
256	3.6
512	3.6
1024	3.6
2048	3.6
4096	3.6

Finished!

使用UNIX DOMAIN SOCKET

****** UNIX DOMAIN SOCKET ********

waiting for follower

Measurement for: 1 kB, 2 kB, 4 kB, 8 kB, 16 kB, 32 kB, 64 kB, 128 kB, 256 kB, 512 kB, 1024 kB, 2048 kB, 4096 kB

Measurement Result

100000 round trips for each payload.

Payload Size [kB]	Average Latency [µs]
1	6.1
2	8.5
4	11
8	14
16	25
32	48
64	92
128	1.8e+02
256	2.5e+02
512	6.9e+02
1024	1e+03
2048	2.8e+03
4096	5.3e+03

Finished!

使用消息队列

****** MESSAGE QUEUE ********

waiting for follower

Measurement for: 1 kB, 2 kB, 4 kB, 8 kB, 16 kB, 32 kB, 64 kB, 128 kB, 256 kB, 512 kB, 1024 kB, 2048 kB, 4096 kB

Measurement Result

100000 round trips for each payload.

Payload Size [kB]	Average Latency [µs]
1	4.2
2	6.7
4	7.1
8	10
16	17
32	32
64	61
128	1e+02
256	2.3e+02
512	4.6e+02
1024	9.1e+02
2048	1.8e+03
4096	3.4e+03

Finished!

测试满负载IPC通讯延时

使用iceorxy：

****** ICEORYX ********

Waiting for: subscription, subscriber [ success ]

Measurement for: 1 kB, 2 kB, 4 kB, 8 kB, 16 kB, 32 kB, 64 kB, 128 kB, 256 kB, 512 kB, 1024 kB, 2048 kB, 4096 kB

Waiting for: unsubscribe [ finished ]

Measurement Result

100000 round trips for each payload.

Payload Size [kB]	Average Latency [µs]
1	28
2	28
4	31
8	29
16	41
32	23
64	20
128	23
256	32
512	19
1024	27
2048	23
4096	25