I would also suggest upgrading to 14.7, it is a pretty straight forward upgrade. Just install 14.7 and point your startsg script to the correct installation directory.
Wesley New South African SKA Project +2721 506 7300 www.ska.ac.za On Fri, Apr 10, 2015 at 7:06 AM, Chaudhari Sandeep C. < [email protected]> wrote: > Hi John, > > Thanks for your suggestion. I need to change my machine itself as > it has only 8GB RAM and later on I realized that it is DDR2 and not even > DDR3 RAM. > > > Regards, > Sandeep C. Chaudhari > > > > On Wed, 8 Apr 2015, John Ford wrote: > > Hi Glenn, >>> >>> Thanks for your reply. >>> >>> My machine has 8GB RAM and maximum java heap size shown in MATLAB >>> was 2GB. Hence I tried to increase java heap size to MAX 2GB and compiled >>> my old ROACH-1 design (mdl file later updated using >>> 'update_casper_blocks') which consists of iADC and snap block and found >>> that it is taking 1:02hrs. But in default condition of 128MB took 53:00 >>> minutes. >>> >>> This is bit surprising. >>> >> >> Since you're using more memory for the Matlab Java heap, you might be >> running out of physical memory and have begun paging to virtual memory. 8 >> GB is marginal for these newer tools, unfortunatly. Have you looked at >> the system activity with vmstat while compiling? >> >> John >> >> >> >>> Regards, >>> Sandeep C. Chaudhari >>> GMRT-TIFR >>> >>> >>> On Tue, 7 Apr 2015, G Jones wrote: >>> >>> >>>> Check your java heap size setting in MATLAB. The default value is often >>>> way >>>> too low. Search the mailing list archive for more details. >>>> >>>> On Apr 7, 2015 2:02 AM, "Chaudhari Sandeep C." >>>> <[email protected]> >>>> wrote: >>>> Dear All, >>>> >>>> I started using ROACH-2 toolflow recently. When I tried >>>> to compile simple ROACH-1 design of iADC board with snap block >>>> it took 45-minuts to compile this design. Now when I started to >>>> compile ROACH-1 f-engine design on previous day and it is still >>>> in the stage of System Generation today. >>>> Can anyone tell why it is taking so much long time for >>>> compilation and how to reduce this compilation time? >>>> >>>> The installation details are as follows : >>>> >>>> ------------------------------------------------------------ >>>> --------- >>>> MATLAB Version: 8.0.0.783 (R2012b) >>>> MATLAB License Number: 732809 >>>> Operating System: Linux 3.13.0-46-generic #79-Ubuntu SMP Tue Mar >>>> 10 20:06:50 UTC 2015 x86_64 >>>> Java Version: Java 1.6.0_17-b04 with Sun Microsystems Inc. Java >>>> HotSpot(TM) 64-Bit Server VM mixed mode >>>> ------------------------------------------------------------ >>>> --------- >>>> MATLAB Version >>>> 8.0 (R2012b) >>>> Simulink Version >>>> 8.0 (R2012b) >>>> DSP System Toolbox Version >>>> 8.3 (R2012b) >>>> Fixed-Point Toolbox Version >>>> 3.6 (R2012b) >>>> Signal Processing Toolbox Version >>>> 6.18 (R2012b) >>>> Xilinx System Generator Version >>>> 14.2 production build >>>> >>>> >>>> >>>> Thanks & regards, >>>> Sandeep C. Chaudhari >>>> GMRT,TIFR >>> >>>

