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My experience is very limited, in a test, two programs with identical
SQL and output, the RPG ran 30 times faster than the PHP.
Consistent whit the books on compilers, where they compare compiled code
against interpreted code.
Did you try CGIDEV2?

On 10/01/2015 03:51 PM, Rob wrote:
This is my first ask in here... be gentle please!

Seasoned linux PHP MySQL 4th Normal Form developer here.... I am
taking over the software dev division for a company.

Development happens on a V5R4 AS400 while production is on V7R1. There
are 2 V7R1's, one owned by the company that developed the software I
am taking over and one owned by my company, which bought the rights to
the code. So once I am divorced from the parent company I will have
both Development and Production on same V7R1 box.

I am new to RPG, new to WebSmart PML, AS400, DB2, 5250. I have been
reading many sources covering many ranges of topics related to the all
of the technologies. I saw my first AS400 in the late 80's while I
was president of the OS/2 user's group in Dallas.

My first concern is how to best optimize the server for PHP. All RPG
will eventually go away. The more I learn RPG, the more I know why I
am a PHP developer. So far this project is split 50/50... PHP/RPG. I
am not saying RPG is bad, just not anything I care to have a love
relationship with at all.

I am a huge fan of the AS400. I just found a great read, "Using IBM
DB2 for i as a Storage Engine of MySQL". I am hoping for better news
then the benchmarks I found here...
http://search400.techtarget.com/tip/Database-performance-comparisons-on-IBM-i

My goal is to continue to migrate all WebSmart PML to PHP.

Since starting this position 5 weeks ago, I have learned there are
many debates surrounding the AS400.

I want my PHP via MySQLi to run as fast as RPG. If it even gets
close, the performance of the AS400 out shines other platforms.

I was encouraged to see Apache was native and that Zend server was
native to the AS400... so there was no need to run linux... (Big
Linux Fan Here).. everything is "Native". I wished I knew more about
the nuts and bolts of how the AS400 is constructed and operates.
There is just so much I have to learn and run with... especially since
3 of the core development staff of 6 have left the building for good.

For those with experience... what path should I take... is there hope
for PHP on iSeries. Oh yeah... aren't iSeries and AS400 simply
interchangeable?

Thanks,
Rob

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