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Frequency of HP Prime
10-14-2015, 10:25 AM
Post: #1
Frequency of HP Prime
Hi all

I found this info on the web.
What I not know is the possible to have two frequency modes.

Is it posible to switch between?
Wich commands?

Thanks for any help.

Jan

Processor
Architecture : ARM (ARM9 ; 32 bit)
Core : ARM926EJ-S
Manufacturer : Samsung
Reference : S3C2416
Specs : 16KB I-cache; 16KB D-cache/MMU
Frequency : 2 Modes : 266 MHz and 400 MHz
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10-15-2015, 01:00 AM
Post: #2
RE: Frequency of HP Prime
I think that the uP speed is locked on the kernel of the Prime OS, nothing to do for now.

Success is the ability to go from one failure to the next without any loss of enthusiasm.
View PNG/JPG in your Prime
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10-15-2015, 05:36 AM
Post: #3
RE: Frequency of HP Prime
Hello,

Prime runs at 400Mhz.
It will scale CPU speed down when not in use, but that is it. There is no user controllable way to change the CPU speed.

Cyrille

Although I work for the HP calculator group, the views and opinions I post here are my own. I do not speak for HP.
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10-18-2015, 09:26 AM
Post: #4
RE: Frequency of HP Prime
(10-15-2015 05:36 AM)cyrille de brĂ©bisson Wrote:  It will scale CPU speed down when not in use, but that is it.

I think the CPU scaling doesn't work quite well in HP Prime.
I can give examples of programs that sometimes runs for 10 seconds and sometimes for 7 seconds (if you run it several times without any modifications).
So the scaling down also happens (sometimes) when performance is required and program slows down.

Piotr Kowalewski
Radioactive Wastes - game for HP Prime
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