XTask 0.2 Java and power consumption - GSM-Forum

Jester74 · 09-30-2006, 11:58

During tests XTask 0.2 I found a some not good feature. if in background is running java application, increases the power consumption in the idle mode.
For example: usualy consumption in idle mode is beetwen 1-4 mA (from NetMonitor data), after launch XLator dictionary in java, and switch to main screen consumption amounts beetwen 25-40 mA !!!
I did not observe this symptoms as run any bin file in the background.

Is some method on the reduction of the power consumption at working in the background java aplication?

Seklth · 09-30-2006, 12:57

@Jester74
java - it is 26 mhz.
test auto 13\26 mode in uni2

Jester74 · 09-30-2006, 21:43

it is not CPU frequency problem.
Byte at 0e:3968 is equal 0 - it mean, than CPU is in 13MHz mode.
I use modified by me patch which switches phone to 13MHz after kay blocking (26MHz is default CPU frequency in my phone - i like overclocking;o) )

Meyby if java virtual machine is running phone does not switch in iddle mode,
and from here incrase power conscription.

Rst7 · 10-01-2006, 08:30

Quote:

Originally Posted by Jester74

Meyby if java virtual machine is running phone does not switch in iddle mode,
and from here incrase power conscription.

Yes of course

Unfortunality SLIK's java-machine run with CPU load = 100%, so u see maximum CPU current on idle-screen... I don't know, how to stop JVM on idle...

09-30-2006, 11:58	#1 (permalink)
Jester74 Insane Poster Join Date: Feb 2003 Location: Poland Age: 39 Posts: 76 Member: 22528 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	XTask 0.2 Java and power consumption During tests XTask 0.2 I found a some not good feature. if in background is running java application, increases the power consumption in the idle mode. For example: usualy consumption in idle mode is beetwen 1-4 mA (from NetMonitor data), after launch XLator dictionary in java, and switch to main screen consumption amounts beetwen 25-40 mA !!! I did not observe this symptoms as run any bin file in the background. Is some method on the reduction of the power consumption at working in the background java aplication?

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09-30-2006, 12:57	#2 (permalink)
Seklth Freak Poster Join Date: Jun 2004 Location: Russia, Zelenograd Age: 24 Posts: 336 Member: 70080 Status: Offline Thanks: 0 Thanked 2 Times in 2 Posts	@Jester74 java - it is 26 mhz. test auto 13\26 mode in uni2

09-30-2006, 21:43	#3 (permalink)
Jester74 Insane Poster Join Date: Feb 2003 Location: Poland Age: 39 Posts: 76 Member: 22528 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	it is not CPU frequency problem. Byte at 0e:3968 is equal 0 - it mean, than CPU is in 13MHz mode. I use modified by me patch which switches phone to 13MHz after kay blocking (26MHz is default CPU frequency in my phone - i like overclocking;o) ) Meyby if java virtual machine is running phone does not switch in iddle mode, and from here incrase power conscription.