Re: [PHP] performance criteria on DEFINE()
At 3:47 PM -0500 4/21/06, Richard Lynch wrote: On Fri, April 21, 2006 7:52 am, Jochem Maas wrote: Andy wrote: Now, one of this file can contain more than 2000 defines and we make a calculation that we will reach 8000 in 2 years. Seems to me you could extend your testing to generate 8000 constants in a file pretty easily, and just benchmark it and find out if it's acceptable. Hell, go for 16000 and 32000 tests as well, and benchmark those. The pattern should be obvious pretty quickly, and you'll know, beyond a shadow of a doubt, if you will be happy in 2 years. (On this issue.) Yes, but in two years speeds will increase and prices will decrease drastically. What is today's "Too Big" will become tomorrow's "minimum requirement". For example, the $15,000 you would have spent in 1984 for hard drive storage can be bought today for less than one cent. tedd -- http://sperling.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] performance criteria on DEFINE()
On Fri, April 21, 2006 7:52 am, Jochem Maas wrote: > Andy wrote: >> Now, one of this file can contain more than 2000 defines and we make >> a calculation that we will reach 8000 in 2 years. Seems to me you could extend your testing to generate 8000 constants in a file pretty easily, and just benchmark it and find out if it's acceptable. Hell, go for 16000 and 32000 tests as well, and benchmark those. The pattern should be obvious pretty quickly, and you'll know, beyond a shadow of a doubt, if you will be happy in 2 years. (On this issue.) -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] performance criteria on DEFINE()
Thanks for the suggests.
I will have to make some tests to see what will happen, especially how fast.
I will post after that my opinion.
Regards,
Andy.
- Original Message -
From: "Jochem Maas" <[EMAIL PROTECTED]>
To: "Andy" <[EMAIL PROTECTED]>
Cc:
Sent: Friday, April 21, 2006 3:52 PM
Subject: Re: [PHP] performance criteria on DEFINE()
Andy wrote:
Hi, We have a big multilanguage project. For a while we used gettext to
translate the pages, but we gave up on this because of many problems. Out
solution is to create a file for each language which includes the
"label" definitions. for ex: define("LABEL1", "label 1");
define("LABEL2", "label 2");
etc...
Now, one of this file can contain more than 2000 defines and we make a
calculation that we will reach 8000 in 2 years. I made some
testing(generated many label) in including these files into the project
it seemed to work fine. I don't know how php handles these defines(memory
usage, CPU etc) so the question is: how much affects the performace the
inclusion of a lot of defines???
creating constants is _very_ slow...
if gettext is too much hassle (I can understand that ;-) it's a pity, but
you have the alternative of
using an array:
$Lang = array(
'LABEL1' => 'hallo!',
// etc
);
OR install APC and write a routine that uses apc_define_constants() (not
on every request obviously -
well it will becomne obvious when you read up on apc and that function in
particular) and
apc_load_constants(). which means you can still use define() and not
suffer the speed hit - although
be prepared to use up a little RAM :-).
note that although this means you will use the constants in your app the
definition of the LABEL=>text pairs
will be an array if you go the APC route.
http://php.net/apc
ps - the info on constants and apc is regurgitation of advice/info coming
direct from Rasmus.
I have never tested it, I assume he knows what he's talking about
(otherwise why would he bother to
write apc_load_constants()/apc_define_constants()?)
pps - use single quotes for the __minimal__ decrease in processing that
the skipping of
string interpolation causes.
Andy.
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Re: [PHP] performance criteria on DEFINE()
Andy wrote:
Hi,
We have a big multilanguage project. For a while we used gettext to translate the pages, but we gave up on this because of many problems.
Out solution is to create a file for each language which includes the "label" definitions.
for ex:
define("LABEL1", "label 1");
define("LABEL2", "label 2");
etc...
Now, one of this file can contain more than 2000 defines and we make a calculation that we will reach 8000 in 2 years.
I made some testing(generated many label) in including these files into the project it seemed to work fine.
I don't know how php handles these defines(memory usage, CPU etc) so the
question is: how much affects the performace the inclusion of a lot of
defines???
creating constants is _very_ slow...
if gettext is too much hassle (I can understand that ;-) it's a pity, but you
have the alternative of
using an array:
$Lang = array(
'LABEL1' => 'hallo!',
// etc
);
OR install APC and write a routine that uses apc_define_constants() (not on
every request obviously -
well it will becomne obvious when you read up on apc and that function in
particular) and
apc_load_constants(). which means you can still use define() and not suffer the
speed hit - although
be prepared to use up a little RAM :-).
note that although this means you will use the constants in your app the
definition of the LABEL=>text pairs
will be an array if you go the APC route.
http://php.net/apc
ps - the info on constants and apc is regurgitation of advice/info coming
direct from Rasmus.
I have never tested it, I assume he knows what he's talking about (otherwise
why would he bother to
write apc_load_constants()/apc_define_constants()?)
pps - use single quotes for the __minimal__ decrease in processing that the
skipping of
string interpolation causes.
Andy.
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] performance criteria on DEFINE()
Hi,
We have a big multilanguage project. For a while we used gettext to translate
the pages, but we gave up on this because of many problems.
Out solution is to create a file for each language which includes the "label"
definitions.
for ex:
define("LABEL1", "label 1");
define("LABEL2", "label 2");
etc...
Now, one of this file can contain more than 2000 defines and we make a
calculation that we will reach 8000 in 2 years.
I made some testing(generated many label) in including these files into the
project it seemed to work fine.
I don't know how php handles these defines(memory usage, CPU etc) so the
question is: how much affects the performace the inclusion of a lot of
defines???
Andy.
