[Kst] KST 2 extremelly slow when using getdata

[Barth Netterfield]

This seems like it should be OK - at least it is in git master.

Can you send a tarball of your dirfile?

cbn

On May 13, 2014 11:00:34 AM BOESEL Diego Fernandes wrote:

> Hello all,
> 
> I am starting to use KST.
> 
> My environment is the following:
> Linux 2.6.32.11, with RTAI patch
> Ubuntu 10.04
> KST 2.0.7
> getdata-0.8.5
> QT4
> 
> Now, my problem. I installed KST 2 from source (since using ppa, it is
> installed only KST1.7 and then getdata is not recognized).
> 
> Now, I create a very simple example with getdata:
> 
>   DIRFILE *D = gd_open("/home/dfb/myProjects/dirfile-test", GD_RDWR |  
> GD_CREAT | GD_TRUNC | GD_UNENCODED); gd_add_raw(D, "data1", GD_FLOAT64, 1,
> 0);
> 
>   double data1[20];
> 
>   for (int i = 0; i < 10; ++i) {
>       data1[i] = i;
>     }
> 
>   gd_putdata(D, "data1", 0, 0, 10, 0, GD_FLOAT64, data1);
> 
>   /* We can also read the derived channel: */
>   double datum;
>   for (int i = 0; i < 20; i++) {
>     gd_getdata(D, "data1", i, 0, 1, 0, GD_FLOAT64, &datum);
>     printf("sin 0.1 + log(100) = %g\n", datum);
>   }
> 
>   gd_close(D);
> 
> After running the C program above, I open KST and load the dirfile. KST gets
> extremelly slow after loading the dirfile above and gets slower with time.
> 
> What am I doing wrong here?
> 
> Thank you in advance,
> 
> Diego

-- 
Barth Netterfield
University of Toronto
416-845-0946