I thought it might be that and increased the heap memory to 512 MB, but to 
avail. I'll try increasing it even more.

On Nov 20, 2013, at 10:30 AM, G Jones wrote:

> Hi Oliver,
> This may be related to the java heap memory issue I ran into recently.
> Check the mailing list archive for details on increasing the heap and
> see if that helps.
> 
> Glenn
> 
> On Wed, Nov 20, 2013 at 1:29 PM, Oliver King <o...@astro.caltech.edu> wrote:
>> Hi,
>> 
>> I'm trying to blackbox a PFB / FFT combination (following the instructions 
>> at https://casper.berkeley.edu/wiki/images/a/a4/Black_box_memo.pdf), and am 
>> running into a problem.
>> 
>> The compilation gets to the "Compiling: Propagating sample times" step and 
>> stays there forever. There are two short bursts of CPU activity when the 
>> "Propagating sample times" step starts, but the CPU activity then drops away 
>> to zero and stays there. After a day or so I lose patience and kill the 
>> process.
>> 
>> No error messages are printed to the screen other than a warning about the 
>> model not having continuous states, use VariableStepDiscrete instead, etc. 
>> Explicitly specifying a discrete solver, as this warning suggests, makes no 
>> difference.
>> 
>> I am able to black box simple models that use only Xilinx basic elements, so 
>> I know that the toolflow is working. However, any model that includes either 
>> the pfb_fir_real or the fft_wideband_real blocks from the CASPER DSP 
>> Blockset encounters the problem described above.
>> 
>> The particulars of my setup:
>> ska-sa mlib_devel, commit a8c43a8f90
>> 64 bit linux (redhat)
>> Matlab 2012b
>> Xilinx 14.3
>> 
>> Has anyone come across this problem before?
>> 
>> Cheers,
>> Oliver
>> 
>> ------
>> Oliver King
>> Senior Scientist
>> Astronomy Department, Caltech
>> +1-626-395-4197
>> 
>> 

------
Oliver King
Senior Scientist
Astronomy Department, Caltech
+1-626-395-4197


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