Den 2015-12-09 kl. 20:46, skrev Mike Willbanks:
Lester,
On Wed, Dec 9, 2015 at 1:02 PM, Lester Caine <les...@lsces.co.uk> wrote:
On 09/12/15 16:24, Rowan Collins wrote:
So as somebody already said, maybe your code or setup is really busted.
Really busted, or spending all its time in a type of operation that ZE3
can't particularly optimize...
But I'd like to understand why what is fairly simple PHP code is
apparently not working as some of you seem to expect. Much of the
original code goes back to PHP4 days and has been optimised and updated
over the years and re-factored a couple of times. It's doing the jobs
required and giving response times that clients are happy with in the
sub second on intranets. The only PHP7 fixes so far is a few __construct
changes from the original named constructor ... the rest of the code is
already e_strict clean.
This states nothing of how the code was architected and therefore cannot
provide any realistic baseline as others have noted. In addition to this,
your comparing apples to oranges. The speed increases in PHP itself do not
always translate 100% to application performance. Without looking at
execution performance on a function level and realizing what is actually
taking the time this is a worthless conversation to be frank.
So where should I be looking to work out why PHP7 seems little better
than PHP5. This code is ADOdb and Smarty based with templates which have
developed over 10+ years and we can switch on page caching for the
static material, but many sites are running with dynamic data such as
calling clients from queues and displaying dynamic information pages.
ADOdb and Smarty have not had MAJOR releases in several years. Smarty 3.1
was in 2011 while Smarty 3 was in 2010. ADOdb's last major release was in
2007. These are your implementation details and things that YOU are
leveraging, these are not necessarily a standardized approach. Page
caching changes things dramatically as now you're simply requiring things.
If your spending time in query execution then thats why there is no
significant gain.
Just noticed that Smarty team is working on a 3.1.28 relase that plans to be
PHP 7 compliant, see: https://github.com/smarty-php/smarty
Regards //Björn
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