Forums / Developer / Php code against template language

Php code against template language

Author Message

Jean-Yves Zinsou

Thursday 26 February 2009 1:29:26 am

Hi to all,
Can someone explain why heavy computing is done faster when making a custom template operator that does the computing in php than when using template language?
The template language is compiled and stored as php as well too so why is it slower ?
I have seen many topics saying that heavy computing tasks should be done with custom operators....

Thanks to any one that takes a little time to answer this question.

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Damien Pobel

Thursday 26 February 2009 1:55:00 am

Hi,

The template compiler doesn't understand what you try to do, it simply applies general rules so the generated code is far from being optimized and the generated code is ugly (see files in var/something/cache/template/compiled).
If you write your own code you will probably try to make it as simple as possible which is often faster.

Cheers

Damien
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Jean-Yves Zinsou

Thursday 26 February 2009 2:21:01 am

Thanks , i will take a look at the compiled template code, just to know...

Greedings from an another eZpublish developper in Montpellier ;-)

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eZ debug

Timing: Jan 18 2025 11:43:21
Script start
Timing: Jan 18 2025 11:43:21
Module start 'content'
Timing: Jan 18 2025 11:43:21
Module end 'content'
Timing: Jan 18 2025 11:43:22
Script end

Main resources:

Total runtime0.1632 sec
Peak memory usage4,096.0000 KB
Database Queries141

Timing points:

CheckpointStart (sec)Duration (sec)Memory at start (KB)Memory used (KB)
Script start 0.00000.0079 588.8516180.8281
Module start 'content' 0.00790.0047 769.679793.8828
Module end 'content' 0.01260.1505 863.5625522.2969
Script end 0.1632  1,385.8594 

Time accumulators:

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Ini load
Load cache0.00352.1604200.0002
Check MTime0.00140.8284200.0001
Mysql Total
Database connection0.00100.602310.0010
Mysqli_queries0.118672.65111410.0008
Looping result0.00140.84851390.0000
Template Total0.150292.010.1502
Template load0.00100.588710.0010
Template processing0.149291.435310.1492
Override
Cache load0.00060.383010.0006
Sytem overhead
Fetch class attribute can translate value0.00110.699710.0011
XML
Image XML parsing0.00030.165910.0003
General
dbfile0.00181.1126200.0001
String conversion0.00000.003730.0000
Note: percentages do not add up to 100% because some accumulators overlap

CSS/JS files loaded with "ezjscPacker" during request:

CacheTypePacklevelSourceFiles
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Templates used to render the page:

UsageRequested templateTemplateTemplate loadedEditOverride
1pagelayout.tpl<No override>extension/sevenx/design/simple/templates/pagelayout.tplEdit templateOverride template
 Number of times templates used: 1
 Number of unique templates used: 1

Time used to render debug report: 0.0002 secs