Re: Re: memory allocation and de-allocation

On Wed, Mar 13, 2002 at 03:08:10PM +0200, Brett Geer wrote : > mkay, I see your point, shall I move across to the php-dev list? Yes, I'ld like to hear others opinions on the CLI issue too. One more thing: I'm not quite sure if I got you right the last time, how were the results of the modification with instant-memory-release performance-wise? Was it noticeable slower with large memory juggling or not? - Markus > > > brett > > > On Wed, Mar 13, 2002 at 02:42:19PM +0200, Brett Geer wrote : > > > mmm yes, just been off playing with an as/400 (shudder), mind blank.. > > > > > > I don't quite understand why php-dev, if php itself is deallocating the stuff > > > when I disable the fast cache and when I unset a gui widget it doesn't surely > > > then > > > it relates to php-gtk's code not calling the free? > > > > > > sorry if that sounds newbieish, i need way more coffee today > > > > In fact, I was only talking about the memory behaviour with > > the normal CLI version and left out the widget thing (which > > is of course only php-gtk related). > > > > I was playing with idea bringing this to other members of the > > developer community that it may be wise to have the CLI > > version by default release the memory once unset if it suits > > performance-wise. > > > > - Markus > > > > > > heh, I meant php-dev@ ... not php-gtk-dev ;-) > > > > > > > > On Wed, Mar 13, 2002 at 02:34:41PM +0200, Brett Geer wrote : > > > > > Hi All, > > > > > > > > > > shifting this from the php-gtk list to the dev list, basically what > > > > > I've got > > > > > is allocating variables and then using unset to free them doesn't > > > > > do anything, > > > > > memory still remains allocated, setting the fast cache off gets this > > > > > working > > > > > however unset'ing gui widgets doesn't do anything. > > > > > > > > > > PHP 4.1.1 with the php-gtk at 0.5, I'm loading about 26k rows into > > > > > a clist and > > > > > then when I've got what I need out of it I unset it and the memory > > > > > remains > > > > > allocated... > > > > > > > > > > This applies to the other widgets I use aswell > > > > > > > > > > brett > > > > > > > > > > > Yes, my cgi module is still intact, thats on a production server, the > > > > > > commandline > > > > > > version did see a performance hit when I was allocating the array > > > > > > without the fast > > > > > > cache enabled, though normally I'd not go do something silly like > > > > > > roll 26k records > > > > > > into an array I might have to do that sooner or later. > > > > > > > > > > > > I was trying some work based on your intro doc which is what got me > > > > > > into the idea of > > > > > > the php-gtk interface. Nice examples you've got up, very > > > > > > helpfull. > > > > > > > > > > > > Lemme subscribe to the php-dev list and raise this issue > > > > > > > > > > > > brett > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Wed, Mar 13, 2002 at 12:41:02PM +0200, Brett Geer wrote : > > > > > > > > yes indeed, php 4.1.1 > > > > > > > > > > > > > > > > this code idea: > > > > > > > > > > > > > > > > #allocate > > > > > > > > for ($vloop = 0; $vloop <= 200000; $vloop++) > > > > > > > > { > > > > > > > > $varr [$vloop] = "Some arb string to grab some > > > > > > > > ram..."; > > > > > > > > } > > > > > > > > > > > > > > > > #deallocate > > > > > > > > unset ($varr); > > > > > > > > > > > > > > > > This works quite fine, however an unset on a gui widget does > > > > > > > > do this, I have > > > > > > > > recompiled php-gtk 0.5.0. > > > > > > > > > > > > > > Possible it just not implemented... > > > > > > > > > > > > > > Anyway .. if this is true for memory allocation, can we say > > > > > > > something about performance loss if you change this > > > > > > > behaviour? > > > > > > > > > > > > > > Why I'm asking is simply exmplained: php in apache and > > > > > > > php on > > > > > > > command line are two different worlds. On apache side, it may > > > > > > > be a good idea not to release memory. However, from my point > > > > > > > of view it makes very much sense for the CLI version of PHP > > > > > > > and maybe we should raise this to php-dev@ to discuss certain > > > > > > > things about this aspect there. > > > > > > > > > > > > > > - Markus > > > > > > > > > > > > > > -- > > > > > > > Please always Cc to me when replying to me on the lists. > > > > > > > GnuPG Key: > > > > > > > http://guru.josefine.at/~mfischer/C2272BD0.asc > > > > > > > > > > > > > > > > > -- > > > > > PHP-GTK Development Mailing List (http://gtk.php.net/) > > > > > To unsubscribe, visit: > > > > > http://www.php.net/unsub.php > > > > > > > > -- > > > > Please always Cc to me when replying to me on the lists. > > > > GnuPG Key: > > > > http://guru.josefine.at/~mfischer/C2272BD0.asc > > > > > > > > -- > > Please always Cc to me when replying to me on the lists. > > GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc > > -- Please always Cc to me when replying to me on the lists. 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