Smarty

[v.laios]

Hi i am using smarty in order to create dynamic data that later would be saved in a file. I upgraded smarty3 to the new version .28 and then to .29 and found smarty was 3 times slower that version .27. Here is a simple benchmark for all three versions using the simple query:

string: {if $price > 30}{math equation="x+y" x=$price y=20}{/if}

for a 100000 loop.

The results:

Smarty-27
Total: 9.2454550266266
One: 0.000092454550266266

Smarty-28
Total: 38.749762058258
One: 0.00038749762058258

Smarty-29
Total: 38.630138874054
One: 0.00038630138874054

[AnrDaemon]

[v.laios]

Why not? A lot of software uses this technic. And you havent tried to answer the question. You tried to avoid it. Nice job.

[AnrDaemon]

I didn't avoid it.
I dismissed it as being idiotic.
Do not place business logic into templates.

[v.laios]

Sorry but i cannot understand. You mean that God said that i cannot use a tool the way i like it, but i have to use the way he likes because otherwise it is idiotic?

As a software engineer i can use anything that i like if i see fit. This is the way that things are being made. But off course god said otherwise.

So the thing very easy here. The new versions of Smarty are 3 times slower that the previous versions. So i wanted to know why? So forget about all else. THe question is simple. Why is smarty slower?

Can you please help me with this?

[CrazyTemplate]

v.laios, please don't feed the local troll

he is just another mean little person who replies to everyone that they are just wrong, without giving answers. just ignore him.

*edit*
I forgot to mention, that you should open a bug report here: http://www.smarty.net/forums/viewforum.php?f=5

[mohrt]

Try this in smarty 3, it has inline math:

string: {if $price > 30}{$price+20}{/if}

I'll let Uwe chime in on the speed specifics, I'm not sure why Smarty 3 versions would have such a difference.

[v.laios]

That happens when you write your first post and be welcomed by a troll. Next time i will carry my sword with me I have also posted it in bugs as noted!

Thanks for the answer. I will run the benchmark with the new code to see what happens and post here.

[v.laios]

I have rerun the benchmarks with the new query and the results are the same:

Smarty-27
Total: 0.96813583374023
One: 0.000096813583374023

Smarty-28
Total: 3.4972178936005
One: 0.00034972178936005

Smarty-29
Total: 3.4825568199158
One: 0.00034825568199158

The new versions are 3 times slower as the old version

[U.Tews]

How did you loop over

[AnrDaemon]

The problem is in Smarty 3 before and after inheritance changes.
http://www.rootdir.org/.offload/Smarty-eq-20160227.rar

composer update
./init.php

[U.Tews]

This has nothing to do with template inheritance at all.

Smarty 3 is object oriented and has much more features as Smarty 2. The payoff is that loading a template is slower as in Smarty 2.
So when loading a template in a loop and just execute one line of template code Smarty 2 will always win.

[v.laios]

This is done with fetch(string: ) but i dont mean between smarty 2 and 3 i mean between 3.27 and 3.28 and 3.29. The latest version of the code.

Here is the code

$smarty = new Smarty();

$loop = 0;
$speed = 100000;

$start = microtime(true);
$template = 'string: {if $price > 30}{math equation="x+y" x=$price y=20}{/if}';
$smarty->assign('price', '30');

for ($i=0; $i<$speed; $i++) {
$smarty->fetch($template);
$loop++;
}

$time = microtime(true) - $start;

echo "Total: " . $time . "<br />";
echo "One: " . ($time/$loop) . "<br />";

[mohrt]

What if you use a template file instead of a string? I have a hunch the compiler will need to evaluate and compile the template string on each invocation of the loop.

[U.Tews]

Okay have located the problem. I will come back with a solution ASAP