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Re: [Discuss-gnuradio] pybombs building 3.6.5.1 - swapping and out of vi
From: |
M Dammer |
Subject: |
Re: [Discuss-gnuradio] pybombs building 3.6.5.1 - swapping and out of virtual memory |
Date: |
Mon, 29 Jul 2013 17:58:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 |
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