[zeromq-dev] striking difference in performance among ZeroMQ bindings.

crocket crockabiscuit at gmail.com
Fri May 3 07:08:21 CEST 2013


Anyhow, jzmq is somewhat slower than JeroMQ when processing small messages.
The slowness that accompnies 10K messages was partly due to using swap
space on HDD.


On Fri, May 3, 2013 at 1:38 PM, crocket <crockabiscuit at gmail.com> wrote:

> There is a DEALER that sends messages and receives identical messages in a
> batch.
>
> There is the ROUTER that just sends back what it receives to the sender.
>
> I tested JeroMQ, labview-zmq, jzmq, and PyZMQ.
>
> The test source code is at https://github.com/crocket/ZeroMQThroughputTest
>
> To summarize the test results on a windows xp sp3 32bit system with 3GB
> RAM,
> for messages of 10 bytes, JeroMQ >> jzmq >>> PyZMQ >>> labview-zmq
> for messages of 1 kilobytes, JeroMQ = jzmq = PyZMQ >>> labview-zmq
> for messages of 10 kilobytes, JeroMQ = jzmq = PyZMQ = labview-zmq
>
> Below are the test results.
>
> Why is labview-zmq so slow when sending small messages?
> It's just a wrapper around libzmq like jzmq and PyZMQ.
>
> 1) JeroMQ
>
> It took 1.59 seconds to process 600000 messages of size 10 Byte(s) in a
> batch
> 376411.54 messages/second
>
> It took 35.81 seconds to process 600000 messages of size 1.0 KiloByte(s)
> in a batch
> 16754.16 messages/second
>
> It took 304.89 seconds to process 600000 messages of size 10.0 KiloByte(s)
> in a batch
> 1967.92 messages/second
>
> 2) jzmq
>
> It took 4.63 seconds to process 600000 messages of size 10 Byte(s) in a
> batch
> 129729.73 messages/second
>
> It took 34.30 seconds to process 600000 messages of size 1.0 KiloByte(s)
> in a batch
> 17494.75 messages/second
>
> It took 48.36 seconds to process 100000 messages of size 10.0 KiloByte(s)
> in a batch
> 2067.82 messages/second
> (If I try to send 600,000 messages of 10 kilobytes in a batch, it says
> "not enough space".)
>
> 3) PyZMQ
>
> It took 6.51 seconds to process 150000 messages of size 10Byte(s) in a
> batch
> 23021.58  messages/second
>
> It took 8.78 seconds to process 150000 messages of size 1.0Kilobyte(s) in
> a batch
> 17081.85  messages/second
>
> It took 73.78 seconds to process 150000 messages of size 10.0Kilobyte(s)
> in a batch
> 2033.03  messages/second
>
> 4) labview-zmq
>
> It took 11.79 seconds to process 40000 messages of size 10Byte(s) in a
> batch
> 3390.73  messages/second
>
> It took 13.70 seconds to process 40000 messages of size 1.0Kilobyte(s) in
> a batch
> 2919.04  messages/second
>
> It took 20.67 seconds to process 40000 messages of size 10.0Kilobyte(s) in
> a batch
> 1935  messages/second
>
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