[Paraview] How to speed up data reading

Burlen Loring bloring at lbl.gov
Wed Jul 9 11:32:33 EDT 2014


>   - Considering the Tecplot Binary File Format, is it possible to 
> write a parallel reader ?
yes
>   - Does NFS considerably slow down the reading ?
yes


On 07/09/2014 05:26 AM, Jérémy Santina wrote:
> Good afternoon,
>
> I am working with ParaView in parallel and I am trying to vizualise a 
> big data as efficiently as possible. I am reading Tecplot Binary Files 
> (.plt). For now, I am simply using a computer as a pvserver and my 
> data is stored via NFS.
>
> When I am launching the vizualisation, I notice that it is very slow. 
> Looking at the Timer Log, I understood that is because the reading is 
> taking a lot of time. I think it is mainly because the reader used is 
> not implemented to work in parallel and only one process can read the 
> data.
>
> So here are my questions :
>   - Considering the Tecplot Binary File Format, is it possible to 
> write a parallel reader ?
>   - Does NFS considerably slow down the reading ?
>   - Is there any other issues that could cause a slow reading ? In 
> that case, how could I fix it ?
>
> Thank you in advance for your help.
>
>
>
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