[Dune] Parallel building?

[Aleksejs Fomins]

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Hey Steffen,

Thanks, that's exactly what I had in mind. I'll give it a try.

At some point I realised that waiting 15 min when I need to rebuild the entire thing is a bit unnecessary :)

Aleksejs

On 15.02.2016 14:19, Steffen Müthing wrote:
> Hi Aleksejs,
> 
>> Am 15.02.2016 um 12:00 schrieb Aleksejs Fomins <aleksejs.fomins at lspr.ch>:
>>
>> Dear Dune,
>>
>> Is it possible to build dune modules in parallel?
> 
> what do you mean by build in parallel? You cannot build multiple modules in parallel,
> but what you can do is build multiple targets within a module in parallel. There are two
> ways to do that:
> 
> 1) Put a MAKE_FLAGS variable into your opts file: MAKE_FLAGS="-j“ or, if you want to specify
> the amount of parallelism "-j <number of parallel builds>“
> 
> 2) Even faster: Install ninja (https://ninja-build.org) and put "-G ninja“ into your CMAKE_FLAGS. Note
> that you then have to run ninja instead of make. It’s quite a bit better than make at extracting parallelism,
> though. The only disadvantage is that you can only call ninja from the top level of each module’s build directory.
> 
> Steffen
> 
>>
>> To do so, would one specify a "-j" CMake flag in the opts file, or there is a special flag for dunecontrol maybe?
>>
>> Greetings,
>> Aleksejs
>>
>> _______________________________________________
>> Dune mailing list
>> Dune at dune-project.org
>> http://lists.dune-project.org/mailman/listinfo/dune
> 
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