Comments on: Customize your laptop speed for temperature and performance http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/ Where stuff from my brain lands Sat, 27 Feb 2010 23:36:46 +0000 http://wordpress.org/?v=2.9.1 hourly 1 By: Chris http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/comment-page-1/#comment-1015 Chris Thu, 28 Jan 2010 03:31:34 +0000 http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/#comment-1015 Excellent info. I've done a lot of overclocking on PC's in the past. When I started using laptops, I was constantly running out of juice, so I started using overclocking theory... backwards. I don't run any heavy duty apps on the laptop, so I didn't need the full speed of the cpu, so I dropped the multiplier down a few notches to lower the clock speed, and was able to reduce the CPU & RAM voltage. That in addition to some of the tweaks listed above gave me an extra hour or more of run time which is a huge improvement for me. Excellent info. I’ve done a lot of overclocking on PC’s in the past. When I started using laptops, I was constantly running out of juice, so I started using overclocking theory… backwards. I don’t run any heavy duty apps on the laptop, so I didn’t need the full speed of the cpu, so I dropped the multiplier down a few notches to lower the clock speed, and was able to reduce the CPU & RAM voltage. That in addition to some of the tweaks listed above gave me an extra hour or more of run time which is a huge improvement for me.

]]> By: Dennis http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/comment-page-1/#comment-924 Dennis Mon, 10 Aug 2009 19:58:45 +0000 http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/#comment-924 I don't know of any specific overrides included in the power settings. If your CPU really is slowing down when it gets hot,then perhaps there is a built in function for protection or a 3rd party application that is doing the tuning. You can see what processes are running and find out what each of them does. You might also check your specific model CPU to see what the expected behavior is. Good luck! I don’t know of any specific overrides included in the power settings. If your CPU really is slowing down when it gets hot,then perhaps there is a built in function for protection or a 3rd party application that is doing the tuning.

You can see what processes are running and find out what each of them does. You might also check your specific model CPU to see what the expected behavior is.

Good luck!

]]> By: LarsH http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/comment-page-1/#comment-923 LarsH Mon, 10 Aug 2009 19:51:51 +0000 http://allmybrain.com/2007/10/13/customize-your-laptop-speed-for-temperature-and-performance/#comment-923 Hi... Thanks for this useful info. I'm wondering, what do the algorithms do with regard to temperature? E.g. if the "None" algorithm means "CPU(s) run in highest performance state", does it ignore temperature as well as demand? If so, can selecting this mode jeopardize my CPU's lifespan? And if "Adaptive" means "CPU(s) intelligently select a performance state based on demand", does that mean it's not based on temperature? Right now I have my Dell Latitude set on Portable/Laptop scheme, so it should be Adaptive; and the behavior I seem to observe is that it slows down when the core temperature (according to the Core Temp utility) is high... even though demand is also high (I'm runing a graphic-intensive game). You would expect high CPU demand to result in high frequency, so apparently that's being overridden by temperature concerns. I wonder, is it safe to override that? And if so, how? Thanks, Lars Hi… Thanks for this useful info.
I’m wondering, what do the algorithms do with regard to temperature? E.g. if the “None” algorithm means “CPU(s) run in highest performance state”, does it ignore temperature as well as demand? If so, can selecting this mode jeopardize my CPU’s lifespan? And if “Adaptive” means “CPU(s) intelligently select a performance state based on demand”, does that mean it’s not based on temperature?

Right now I have my Dell Latitude set on Portable/Laptop scheme, so it should be Adaptive; and the behavior I seem to observe is that it slows down when the core temperature (according to the Core Temp utility) is high… even though demand is also high (I’m runing a graphic-intensive game). You would expect high CPU demand to result in high frequency, so apparently that’s being overridden by temperature concerns. I wonder, is it safe to override that? And if so, how?

Thanks,
Lars

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