[Bf-committers] 8GB of RAM insufficient for bulding Blender
montagne29 at wanadoo.fr
Fri Feb 28 10:16:02 CET 2020
There's also another solution, using ninja builder instead of make one
(ninja should be easy to install from your distro's packages).
Once installed, you need to generate a CMake build, specifying ninja as
builder (instead of the default, make option), and enabling
cmake -G Ninja -D WITH_NINJA_POOL_JOBS=ON path/to/blender/source
You can then try to build and see if that works. If not, you can try to
tweak the NINJA_MAX_NUM_PARALLEL_ options (e.g. set _LINK_JOBS and
_COMPILE_HEAVY_JOBS to 1).
Those options try to be smart be enabling optimal parallelization for
regular compile tasks, while enforcing heavy ones (and linking, which
also eats a lot of RAM) to only run one at a time.
As a side note, it would indeed be interesting to know which module
actually fails to build with 8GB.
On 28/02/2020 09:58, Brecht Van Lommel wrote:
> There's a few possible solutions:
> * Enable WITH_CYCLES_NATIVE_ONLY and disable
> * If it's running out of memory building a particular module, you can
> disable that module in CMake (e.g. WITH_MOD_FLUID, ...). It would be
> interesting to know which one.
> * As a last resort, you can build with fewer threads.
> On Fri, Feb 28, 2020 at 9:48 AM Deep Majumder<deep.majumder2019 at gmail.com>
>> Hello everyone,
>> I am trying to build Blender (from its source on Git) so as to apply for
>> Google Suumer of Code 2020. However, when the build process (make) reaches
>> to 57%, the whole of my 8 GB RAM is consumed and my system starts thrashing
>> (eventually the build process gets killed). I am using Pop OS 19.10 64-bit
>> (which is based on Ubuntu 19.10 Eoan Ermine 64-bit), on an Intel Core i5
>> 8th Gen processor, 8gb of RAM, and 4 GB of swap space on a 7200 rpm HDD.
>> Is there a workaround this or do I need to buy more RAM?
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