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OrbWorks Community Forum • View topic - OS 5 is too slow

OS 5 is too slow

Discuss PocketC for Palm OS (including Desktop Edition)

Postby Smoother on Sat Jan 03, 2004 4:03 pm

Why is it so slow running PocketC compiled programs under PalmOS5? (Tungsten T)

/Martin Johansson
martin@handdator.com
Smoother
 
Posts: 59
Joined: Thu Aug 02, 2001 11:26 am
Location: Sweden

Postby jstadolnik on Sat Jan 03, 2004 5:04 pm

PocketC, like virtually all other PalmOS applications (some of armlets), is still an 68000 code (not ARM) based. PalmOS5 has to emulate the 68000 code to make it run properly on ARM devices. There is a significant overhead associated with this emulation. For the slower OS5 devices, you may only see a x2 speed improvement or so over the older dragonball processor based PDAs.

Joe

The PToolboxLib guy.
http://www.geocities.com/retro_01775/PToolboxLib.htm
jstadolnik
 
Posts: 1741
Joined: Wed Dec 06, 2000 3:34 am
Location: USA

Postby Smoother on Sun Jan 04, 2004 10:47 am

okie. thanks.

/Martin Johansson
martin@handdator.com
Smoother
 
Posts: 59
Joined: Thu Aug 02, 2001 11:26 am
Location: Sweden


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