On Wed, 19 Jan 2005 16:28:21 -0700, kjohnson@xxxxxxxxxxx <kjohnson@xxxxxxxxxxx> wrote: > > A question from another naive reader. > > Have you tried re-setting the array to an empty one, using array(), > instead of using unset()? indeed!, unset($arr); $arr = array(); or $arr = array(); directly it's same :( > > Kirk > On Wed, 19 Jan 2005 14:44:10 -0800 (PST), Richard Lynch <ceo@xxxxxxxxx> wrote: > > Just some ideas from a naive reader: > > 1. unset() more often i'm tracking ip of visiters to avoid double trigger of the counter. if i shorten time to 5mins, therere so many ppl revisit after 5mins, which give counter more points > 2. unset() only a portion of the elements of the array i guess so, but .. > > You may even want to store a TIME element, and only unset() the "old" > items or something. i did, but it double the size, and scan of expired elements is slower > > You may also want to, perhaps, put the unset() of older data inside your > socket listening/reading loop, so that you are unset-ing the really old > stuff as you read the new stuff, to always keep your array "small" in > size. > > -- > Like Music? > http://l-i-e.com/artists.htm > > and i'm not unseting the new items here's the logic After the slow TIME element scanning scheme: data flow: incomming->currentTracker->oldTracker for .... { $key = ... $track = &$currentTracker[$countername][$key][$id]; if isset($currentTracker[$countername][$key][$id]): $tarck ++; continue; // skip trigger elif isset($oldTracker[$countername][$key][$id]): $track = $oldTracker[$countername][$key][$id] + 1; continue; // skip trigger $counts[$key] ++; // trigger, will save later } // end for unset($track); expiring: foreach 1hour: 1. unset($oldTracker); // slow 2. $oldTracker = $currentTracker; // fast, this is COW(no copy) 3. $currentTracker = array(); // fast (no efree) if u think 2/3 is slow, i can do: 2. $oldTracker = &$currentTracker; // fast, php-reference 3. unset($currentTracker); // php-unreference 3. $currentTracker = array(); // fast if i have to unset portion of the $oldTracker. i have to scan? or any other way? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
