[Bf-committers] How much ram is needed for compiling cuda kernels ?

Marko Radojcic sambucuself at gmail.com
Fri Apr 19 14:31:17 CEST 2013

Thanks. This is the answer I was looking for.

My GT 430 has 2.1 compute capability so 1.3 is not needed for me, and
apparently I didn't force the sm_21 value properly.

What shoud I edit to force compiling only 2.1 cuda kernel ?
I obviously didn't properly understand the wiki page explaining it ...

I am using cmake, but I can work with scons if the setting is easier to

> We dropped official support for sm 1.3, partly because it is so
> difficult to compile for. Which build system are you using? Perhaps
> this is not properly configured.
> > How much RAM is required to build the kernels? - that is my main
> question.
> >
> > Is 2.5GB limit within the OS or the build environment ?
> >
> > I'm using gcc 4.6.2 and CUDA 5.0
> I don't know the number, it changes each time we add more features.
> For sm 2.x or newer RAM usage is a lot lower than sm 1.3 so I suggest
> just trying to find out how to configure things to avoid the issue, as
> building sm 1.3 on 32 bit is something we don't support anymore.
> Brecht.

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