Cooler GPU Post: 302922387

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Special Forums Hardware Cooler GPU Post 302922387 by agentrnge on Friday 24th of October 2014 10:03:34 AM

10-24-2014

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Newer kernels include more support for CPU throttling, C-states. Probably stepping down the CPU when it can. What kind of load is the system usually under? Honestly even if your CPU is pegged 100% 24/7 you shouldnt be in 75-80C. Thats way too hot. 60C is where you want to be for a non-overclocked CPU even at 100% duty cycle. 30-45 for idle or normal use.

There is an entry in the kernel cpu config to enable or disable turbo speeds. ( not overclocking specifically) Maybe the old config happened to have that enabled, and the new one is disabled by default?

Not that you can compare to values pre-upgrade, but two things to look at that might be of use is to check the physical power usage of the box with a power-meter inline from the socket to the PSU. They can be had for $20-30. Again, not all that usefull without having "before" values to compare too. But more info on your system is always good to have. Second thing to look at is install "turbostat". It will show you the clock-rates and precentage of time each core is spending in various C states ( full power through idle/power-save modes). There are a handful of other tools that show the same info. Thats just the one I happened to use recently.

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LEARN ABOUT CENTOS

cpu_family

cpu_family(3alleg4)						  Allegro manual					       cpu_family(3alleg4)

NAME

       cpu_family - Contains the CPU type. Allegro game programming library.

SYNOPSIS

       #include <allegro.h>

       extern int cpu_family;

DESCRIPTION

       Contains the Intel type, where applicable. Allegro defines the following CPU family types:

	  CPU_FAMILY_UNKNOWN  - The type of processor is unknown
	  CPU_FAMILY_I386     - The processor is an Intel-compatible 386
	  CPU_FAMILY_I486     - The processor is an Intel-compatible 486
	  CPU_FAMILY_I586     - The processor is a Pentium or equivalent
	  CPU_FAMILY_I686     - The processor is a Pentium Pro, II, III
				or equivalent
	  CPU_FAMILY_ITANIUM  - The processor is an Itanium processor
	  CPU_FAMILY_POWERPC  - The processor is a PowerPC processor
	  CPU_FAMILY_EXTENDED - The processor type needs to be read
				from the cpu_model

       You can read this variable after you have called check_cpu() (which is automatically called by allegro_init()).

SEE ALSO

       check_cpu(3alleg4), cpu_vendor(3alleg4), cpu_model(3alleg4), cpu_capabilities(3alleg4), allegro_init(3alleg4)

Allegro 							   version 4.4.2					       cpu_family(3alleg4)