Re: [Discuss-gnuradio] pybombs building 3.6.5.1 - swapping and out of virtual memory

[M Dammer]

Thanks for all the quick replies. I will go for changing cmake.lwt as I
rather have a longer compile time than insane disk activity.

On 29/07/13 17:45, Tom Rondeau wrote:
> On Mon, Jul 29, 2013 at 12:40 PM, M Dammer <address@hidden> wrote:
>> Not sure if this is a Pybombs or Gnuradio build issue: When building
>> version 3.6.5.1 via pybombs the system starts swapping after about 70%
>> of the build have completed and even sometimes bails out with "out of
>> virtual memory". I can complete the build by restarting pybombs install
>> - sometimes several times.
>> I am building on XUbuntu 12.04 64bit - both machines have 4Gb RAM.
>> I notice that "top" shows several cc1plus processes running in parallel
>> each consuming over 1Gb of memory.
> That's a GNU Radio issue, not PyBOMBS. The 3.6.5 series is
> particularly bad about memory usage since there's a lot of duplicated
> blocks.
>
> Best advice for you is to edit templates/cmake.lwt in PyBOMBS and
> change it from 'make -j4' to 'make -j3' (or -j2 to be even more safe,
> but -j3 on my 4 GB machine tends to be ok).
>
> Tom