Re: Comparing large arrays
| From: | Pierre Joye | Date: | Mon, 22 Feb 2010 12:37:38 +0000 |
| Subject: | Re: Comparing large arrays | ||
| References: | 1 | Groups: | php.windows |
| Request: | Send a blank email to php-windows+get-29920@lists.php.net to get a copy of this message | ||
hi,
You can disable the time limit, or use a database, which may be a much
better tool for that.
Cheers,
On Mon, Feb 22, 2010 at 1:33 PM, Murray R. Summers
<msummers@great-web-sights.com> wrote:
> I have two arrays, generated from even larger text source files (one is
> ~50K elements and the other is about 90K elements). I need to compare the
> two, and produce a result array that contains only the elements of array 1
> that are not also in array 2. It seems like array_diff() is exactly the
> tool needed, but it times out. So my questions are -
>
> 1. Should I be getting a time out with this size job (I don't have a good
> feel for this - although 5x10^9 comparisons certainly sounds like lots!)?
> 2. Is there a better way to do this?
>
> Thanks,
>
> --
>
> Murray
>
--
Pierre
@pierrejoye | http://blog.thepimp.net | http://www.libgd.org