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 <[email protected]> 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 > >
