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Author Topic: cpu scaling, no true performance mode/ performance mode degraded.  (Read 1214 times)
trixon
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« on: December 10, 2007, 20:02:35 PM »

Hi, I just noticed when running super_pi that it went much slower than usual.
So, I ran it again, with both kima and kpowersave visible.
It will not go up to 1.83GHz, even with full load. 1.00GHz looks to be normal mode, and 1.33GHz when in performance load.

This is really really bad. Doesn't pardus use my cpu to its fullest potential?

I have got an Core 2 Duo at 1.83 GHz.

Quote
pata@barbara ~ $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
1833000 1333000 1000000
pata@barbara ~ $
« Last Edit: December 10, 2007, 20:24:33 PM by trixon » Logged
Zinden
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« Reply #1 on: December 10, 2007, 20:06:18 PM »

how do you run it? wanna test too  Cool
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Zinden
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« Reply #2 on: December 10, 2007, 20:24:57 PM »

Code:
zinden@Zinden pi $ ./super_pi 20
 Version 2.0 of the super_pi for Linux OS
 Fortran source program was translated into C program with version 19981204 of
 f2c, then generated C source program was optimized manually.
 pgcc 3.2-3 with compile option of "-fast -tp px -Mbuiltin -Minline=size:1000 -Mnoframe -Mnobounds -Mcache_align -Mdalign -Mnoreentrant" was used for the
 compilation.
 ------ Started super_pi run : Mon Dec 10 20:17:05 EET 2007
 Start of PI calculation up to 1048576 decimal digits
 End of initialization. Time=       0.714 Sec.
 I= 1 L=       0        Time=       2.320 Sec.
 I= 2 L=       0        Time=       2.678 Sec.
 I= 3 L=       1        Time=       2.662 Sec.
 I= 4 L=       2        Time=       2.677 Sec.
 I= 5 L=       5        Time=       2.684 Sec.
 I= 6 L=      10        Time=       2.676 Sec.
 I= 7 L=      21        Time=       2.666 Sec.
 I= 8 L=      43        Time=       2.668 Sec.
 I= 9 L=      87        Time=       2.669 Sec.
 I=10 L=     174        Time=       2.683 Sec.
 I=11 L=     349        Time=       2.673 Sec.
 I=12 L=     698        Time=       2.673 Sec.
 I=13 L=    1396        Time=       2.670 Sec.
 I=14 L=    2794        Time=       2.653 Sec.
 I=15 L=    5588        Time=       2.656 Sec.
 I=16 L=   11176        Time=       2.647 Sec.
 I=17 L=   22353        Time=       2.611 Sec.
 I=18 L=   44707        Time=       2.541 Sec.
 I=19 L=   89415        Time=       2.391 Sec.
 End of main loop
 End of calculation.    Time=      52.722 Sec.
 End of data output.    Time=       0.223 Sec.
 Total calculation(I/O) time=      52.945(       1.156) Sec.
 ------ Ended super_pi run : Mon Dec 10 20:18:03 EET 2007

My test result on a P4 2.5 Ghz with 1536 RAM
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