From: Martin DeMello <martindemello@...>
Date: 2007-01-16T23:29:05+09:00
Subject: Re: efficient access to a large int32 array

On 1/16/07, Robert Klemme <shortcutter@googlemail.com> wrote:
> On 16.01.2007 15:10, Martin DeMello wrote:
> > I have a file that is a dump of a large array of 32-bit unsigned ints
> > (bitvectors actually). All I need is to load this into memory and have
> > fast, efficient access to the array members, and a few bitmasking
> > operations - the array will never be written to, and ideally should
> > not need to be bounds-checked. Should I be looking at something like
> > mmap or narray to do this, or would I be better served by a custom C
> > extension?
>
> How large is "large"?

Order of 1 MB - not gigantic, but not trivial either.

martin