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тАО10-02-2007 07:34 PM
тАО10-02-2007 07:34 PM
Help needed to improve the performance on HP
I thought this is the right forum with many experienced guys to pose this question of the general good program techniques to have a program with very good performance. Please ignore if this is not the right forum for this kind of topic
I was particularly interested in the performance improvement of my application on HP.
The application is developed mainly using C/C++ and its a X/Motif application also using OpenGL for 3D graphics
The application is made of an executable and lots of shared libs
Can you please suggest or provide me some pointers which would help me improve the performance and the memory footprint of the application on HP. The application is really performaning very bad on HP. The same code works very fine on Linux.
I was wondering if I am missing some tips and tricks of tuning the code to have a better performance on HP, even the memory consuption is bad on HP compared to Linux
With all these things , I feel I need to tune my code slighlty for HP, can anyone guide me please
Of course the application is 32bit
TIA
Satya
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тАО10-02-2007 07:39 PM
тАО10-02-2007 07:39 PM
Re: Help needed to improve the performance on HP
http://docs.hp.com/en/1219/tuningwp.html
http://h20331.www2.hp.com/Hpsub/cache/286515-0-0-225-121.html
http://h20338.www2.hp.com/hpux11i/cache/535996-0-0-0-121.html
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тАО10-02-2007 08:42 PM
тАО10-02-2007 08:42 PM
Re: Help needed to improve the performance on HP
Try this HP Code Advisor (cadvise)
http://h21007.www2.hp.com/portal/site/dspp/menuitem.863c3e4cbcdc3f3515b49c108973a801/?ciid=8b08a31f05f02110a31f05f02110275d6e10RCRD
http://docs.hp.com/en/11764/WP_Developer_Productivity.pdf
hope this help
WK
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тАО10-02-2007 08:45 PM
тАО10-02-2007 08:45 PM
Re: Help needed to improve the performance on HP
I was looking more of a tuning (tricks/tips/techniques) in the application code, than the kernal paramters. The last 2 links helps me to an extent on that. Is there something like that for my OpenGL implementation as well
TIA
Satya
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тАО10-03-2007 12:07 AM
тАО10-03-2007 12:07 AM
Re: Help needed to improve the performance on HP
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тАО10-03-2007 12:18 AM
тАО10-03-2007 12:18 AM
Re: Help needed to improve the performance on HP
The system itself needs to be tuned.
Java tuning:
http://h21007.www2.hp.com/portal/site/dspp/PAGE.template/page.document?ciid=6508a8ea6ce02110a8ea6ce02110275d6e10RCRD
Hints:
http://h20331.www2.hp.com/Hpsub/cache/286030-0-0-225-121.html
tools:
http://h20331.www2.hp.com/Hpsub/cache/286022-0-0-225-121.html
http://www.hpux.ws/?p=6
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО10-03-2007 01:30 AM
тАО10-03-2007 01:30 AM
Re: Help needed to improve the performance on HP
HP-UX is natively 64 bit.
What kind of server are you running on - parisc or Itanium? also, what OS?
32 bit code on Itanium traditionaly has poor performance...
Your biggest performance gain will come from compiling the app on 64 bit.
Rgds...Geoff
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тАО10-03-2007 02:23 AM
тАО10-03-2007 02:23 AM
Re: Help needed to improve the performance on HP
First, thank you very much for the inputs/pointers.
I have got hold of the Code Advisor and the caliper. I need to see how I can improve my program using these tools.
coming to moving to 64bit, I guess its not happening soon. ( I agree we will be in this limitations of 32bit) but I guess thats not in my hands. The application is built and used on PA-RISC machines
and as far as tuning the system itself, I need to convince the customer and also I would face the eventual question that when similar applications are working fine, why we need to tune specifically for our application.
Thanks and Regards
Satya
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тАО10-03-2007 06:33 PM
тАО10-03-2007 06:33 PM
Re: Help needed to improve the performance on HP
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тАО10-03-2007 08:00 PM
тАО10-03-2007 08:00 PM
Re: Help needed to improve the performance on HP
>HP-UX is natively 64 bit.
These two statements are unconnected and very likely have little to do with Satya's problems.
HP-UX runs 32 bit applications with no degradation.
>32 bit code on Itanium traditionally has poor performance...
This is FUD. Perhaps you are confusing executing X86 instruction set?
HP-UX runs 32 bit IPF applications at full hardware speeds.
>Your biggest performance gain will come from compiling the app on 64 bit.
Not on HP-UX, it may slow down. Unless you can take advantage of using the large address space.