06-12-2009
How much better performance is ultra SPARC IV+ 1.95GHz than 1.35GHz?
Dear Guru,
My boss has a plan to upgrade cpu of server so he needs to know how much better performance(percentage) is Ultra SPARC IV+ 1.95 GHz than Ultra SPARC IV 1.35 GHz?.
I am looking for documentation to reference but I didn't see anything close to my point. If who know, please share it or share your opinion.
Thank u
Last edited by unitipon; 06-12-2009 at 12:24 PM..
Reason: wrong typing
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LEARN ABOUT CENTOS
cpupower-frequency-set
CPUPOWER-FREQUENCY-SET(1) cpupower Manual CPUPOWER-FREQUENCY-SET(1)
NAME
cpupower frequency-set - A small tool which allows to modify cpufreq settings.
SYNTAX
cpupower [ -c cpu ] frequency-set [options]
DESCRIPTION
cpupower frequency-set allows you to modify cpufreq settings without having to type e.g. "/sys/devices/system/cpu/cpu0/cpufreq/scal-
ing_set_speed" all the time.
OPTIONS
-d --min <FREQ>
new minimum CPU frequency the governor may select.
-u --max <FREQ>
new maximum CPU frequency the governor may select.
-g --governor <GOV>
new cpufreq governor.
-f --freq <FREQ>
specific frequency to be set. Requires userspace governor to be available and loaded.
-r --related
modify all hardware-related CPUs at the same time
REMARKS
By default values are applied on all cores. How to modify single core configurations is described in the cpupower(1) manpage in the --cpu
option section.
The -f FREQ, --freq FREQ parameter cannot be combined with any other parameter.
FREQuencies can be passed in Hz, kHz (default), MHz, GHz, or THz by postfixing the value with the wanted unit name, without any space (fre-
quency in kHz =^ Hz * 0.001 =^ MHz * 1000 =^ GHz * 1000000).
On Linux kernels up to 2.6.29, the -r or --related parameter is ignored.
FILES
/sys/devices/system/cpu/cpu*/cpufreq/
/proc/cpufreq (deprecated)
/proc/sys/cpu/ (deprecated)
AUTHORS
Dominik Brodowski <linux@brodo.de> - author
Mattia Dongili<malattia@gmail.com> - first autolibtoolization
SEE ALSO
cpupower-frequency-info(1), cpupower(1)
0.1 CPUPOWER-FREQUENCY-SET(1)