Experimental Physics and Industrial Control System
I am calling my own asynPortDriver function with the readInt16Array method. This is 1 Gbit Ethernet. On my most recent run, it took 0.854 seconds to receive 19214960 bytes.
> -----Original Message-----
> From: Mark Rivers [mailto:[email protected]]
> Sent: Thursday, April 20, 2017 4:06 PM
> To: Iain Marcuson <[email protected]>; tech-
> [email protected] >> EPICS Tech Talk <[email protected]>
> Subject: RE: Bandwidth limits in asyn
>
> How are you reading the data, i.e. are you calling the drvAsynIPPort driver
> from your driver?
>
> If so, how have you called drvAsynIPPortConfigure? What value are you
> specifying for the timeout?
>
> Is this 1 Gbit Ethernet?
>
> What is the time between when you start the transfer and it breaks after
> 17640000 bytes?
>
> Mark
>
>
> -----Original Message-----
> From: [email protected] [mailto:tech-talk-
> [email protected]] On Behalf Of Iain Marcuson
> Sent: Thursday, April 20, 2017 2:28 PM
> To: [email protected] >> EPICS Tech Talk
> Subject: Bandwidth limits in asyn
>
> I've been writing an asyn driver to receive data from a camera, but I seem to
> be hitting some sort of limit. The total size to transmit is 35280000 bytes, but
> the connection breaks at around 17640000 bytes. In a mockup test, I was
> able to transfer all the data by sending 16k with a pause of 0.5 seconds
> between each packet. The receiving routine just buffers all the incoming
> data until it reads the predetermined amount. Is there something else I
> need to be doing to get all the data?
>
> Thank you,
>
> Iain.
- Replies:
- RE: Bandwidth limits in asyn Mark Rivers
- References:
- Bandwidth limits in asyn Iain Marcuson
- RE: Bandwidth limits in asyn Mark Rivers
- Navigate by Date:
- Prev:
RE: Bandwidth limits in asyn Mark Rivers
- Next:
RE: Bandwidth limits in asyn Mark Rivers
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
<2017>
2018
2019
2020
2021
2022
2023
2024
- Navigate by Thread:
- Prev:
RE: Bandwidth limits in asyn Mark Rivers
- Next:
RE: Bandwidth limits in asyn Mark Rivers
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
<2017>
2018
2019
2020
2021
2022
2023
2024