php-developer-list | 2002112

Re: [PHP-DEV] Zend fast cache From: Daniel Cowgill (dan <email protected>)
Date: 11/30/02

On Saturday, November 30, 2002, at 07:17 PM, Sterling Hughes wrote:

> The problem I see with an array approach from an api perspective is
> simply when a bucket
> is free'd, in order to have efficient memory usage, we'd need a second
> level array scan
> for every ALLOC_ZVAL().
>
> Perhaps a linked list would be a better choice for this, as we can
> just be smart about bucket
> access, and eliminate the need for a scan (could be possible I'm
> missing something?)

I agree, a singly linked list seems like a no-brainer; it's an ideal
memory-pool data structure because inserts and deletes occur only at
the front of the list (so they're constant-time), the links are free,
and the implementation is straightforward. 

-- 
PHP Development Mailing List <http://www.php.net/>
To unsubscribe, visit: http://www.php.net/unsub.php