Okay, so we're looking at one particle different in the most massive halo, two in one of the less massive ones between 4 & 2 processors. What do the rest of you think? I am torn between being anal about this and just saying that's not a big deal.
One or two parts in 260,000 is pretty darn good. So I am inclined to say it's not a big deal. I've been bouncing ideas around in my head as to why I think this kind of variance is unavoidable. If you take a perverse situation where there is only one particle in a subbox, clearly determining its overdensity is ridiculous. But this says for subboxes with more reasonable numbers of particles, the overdensity is not as determined as for the whole box. I think subdividing the whole introduces error. Uh, I dunno, at any rate I think we're at the point of diminishing returns. _______________________________________________________ sskory@physics.ucsd.edu o__ Stephen Skory http://physics.ucsd.edu/~sskory/ _.>/ _Graduate Student ________________________________(_)_\(_)_______________