niklas/cyclonedds
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add some throughput figures to the README

Browse source 
Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2019-01-17 19:47:26 +01:00
parent 97990237bc
commit 0db99fbf4e
1 changed files with 19 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

21
README.md
View file

@ -21,7 +21,24 @@ Assuming that **git** is also available on your machine then, simply do:
$ make install
At this point you are ready to use **cyclonedds** for your next DDS project!
## Performance
Median small message throughput measured using the Throughput example between two Intel(R) Xeon(R)
CPU E3-1270 V2 @ 3.50GHz (that's 2012 hardware ...) running Linux 3.8.13-rt14.20.el6rt.x86_64,
connected via a quiet GbE and when using gcc-6.2.0 for a RelWithDebInfo build is:
![Throughput](https://raw.githubusercontent.com/eclipse-cyclonedds/cyclonedds/assets/performance/throughput-polling.png)
This is with the subscriber in polling mode. Listener mode is marginally slower; using a waitset the
message rate for minimal size messages drops to 600k sample/s in synchronous delivery mode and about
750k samples/s in asynchronous delivery mode. The configuration is an out-of-the-box configuration,
tweaked only to increase the high-water mark for the reliability window on the writer side. For
details, see the scripts in the ``performance`` directory and the [data](https://raw.githubusercontent.com/eclipse-cyclonedds/cyclonedds/assets/performance/throughput.txt).
There is some data on roundtrip latency below.
## Examples
Now that you have built and installed **cyclonecdds** it is time to experiment with some examples.
@ -63,7 +80,7 @@ On another terminal, start the application that will be sending the ping.
10 28075 17 16 23 46 28075 8 6 28075 1 0
The number above were measure on Mac running a 4,2 GHz Intel Core i7 on December 12th 2018. From these number you can see how the roundtrip is incredibly stable and the minimal latency is now down to 17 micro-seconds (used to be 25 micro-seconds) on this HW.
The number above were measure on Mac running a 4,2 GHz Intel Core i7 on December 12th 2018. From these number you can see how the roundtrip is incredibly stable and the minimal latency is now down to 17 micro-seconds (used to be 25 micro-seconds) on this HW.
## Documentation
The Cyclone DDS documentation is available [here](http://cdds.io/docs).