[Yt-dev] Halo Profiler projections

Matthew Turk matthewturk at gmail.com
Mon Apr 11 17:22:48 PDT 2011


+1

On Mon, Apr 11, 2011 at 8:11 PM, Stephen Skory <s at skory.us> wrote:
> Hi all,
>
> I just spent some time trying to diagnose a segfault when the
> HaloProfiler was trying to make projections of the haloes. The problem
> was in making the FixedResolutionBuffer, the image it was trying to
> make was 16K by 16K, which cannot fit in any normal machine's memory.
> I think this is because I am looking at a zoom-in simulation of a
> smallish cosmological size, with high resolution in the region of
> interest. The default projection width in the HaloProfiler is 8 Mpc,
> so I had a big numerator and a small denominator.
>
> What do we think about changing this default to some multiple of the
> halo maximum radius? I think any constant value will make problems.
>
>
> --
> Stephen Skory
> s at skory.us
> http://stephenskory.com/
> 510.621.3687 (google voice)
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>



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