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2010-02-03
, 14:19
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Posts: 75 |
Thanked: 31 times |
Joined on Dec 2009
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#2
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Problem is, how do we test on devices that do not have a shell?
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2010-02-03
, 17:36
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Posts: 50 |
Thanked: 3 times |
Joined on Dec 2009
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#3
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I think jailbroken iphone has shell somekindof.. so pi should be available for it somehow through cydia....
n900 and n1 numbers anyone ?
n900 and n1 numbers anyone ?
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2010-02-03
, 18:06
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Posts: 455 |
Thanked: 278 times |
Joined on Dec 2009
@ Oregon, USA
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#4
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Here are the results for the N900, running the latest PR1.1
# bash -c "time pi 1048576 >/dev/null" 2>&1 | grep real
real 3m55.503s
~# cat /proc/cpuinfo
Processor : ARMv7 Processor rev 3 (v7l)
BogoMIPS : 499.92
Features : swp half thumb fastmult vfp edsp neon vfpv3
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x1
CPU part : 0xc08
CPU revision : 3
Hardware : Nokia RX-51 board
Revision : 2101
Serial : 0000000000000000
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2010-02-03
, 18:15
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Posts: 242 |
Thanked: 97 times |
Joined on Sep 2009
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#5
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Originally Posted by craftyguy
hey, how is your BogoMIPS (whatever that mean
Here are the results for the N900, running the latest PR1.1
) at 499? Mine is 249.96! Now i'm worried! Can anyone explain plz ? Is it because i'm running the 44-1 firmware?
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2010-02-03
, 18:20
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Posts: 455 |
Thanked: 278 times |
Joined on Dec 2009
@ Oregon, USA
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#6
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BogoMIPS represents a very very rough performance value of the CPU at the given time. Things like CPU frequency throttling will cause that number to appear smaller. My guess is your N900 CPU was throttled to a much lower frequency when you read /proc/cpuinfo than mine was
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2010-02-03
, 18:28
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Posts: 242 |
Thanked: 97 times |
Joined on Sep 2009
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#7
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i cccc .... thats gud. I just played media player and than tried cpuinfo and I got 499 ... sheww
... sheww
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2010-02-03
, 18:30
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Posts: 455 |
Thanked: 278 times |
Joined on Dec 2009
@ Oregon, USA
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#8
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In case you're interested in BogoMIPS and how it is a hilariously poor performance measurement, wikipedia has a pretty good explanation of what it is and how it is measured: http://en.wikipedia.org/wiki/BogoMips
| The Following User Says Thank You to craftyguy For This Useful Post: | ||
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2010-02-03
, 21:18
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Posts: 1,258 |
Thanked: 672 times |
Joined on Mar 2009
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#9
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Sheevaplug 1.2 GHz
Processor : Feroceon 88FR131 rev 1 (v5l)
BogoMIPS : 1192.75
Features : swp half thumb fastmult edsp
CPU implementer : 0x56
CPU architecture: 5TE
CPU variant : 0x2
CPU part : 0x131
CPU revision : 1
Hardware : Marvell SheevaPlug Reference Board
Revision : 0000
Serial : 0000000000000000
# bash -c "time pi 1048576 >/dev/null" 2>&1 | grep real
real 0m44.774s
Processor : Feroceon 88FR131 rev 1 (v5l)
BogoMIPS : 1192.75
Features : swp half thumb fastmult edsp
CPU implementer : 0x56
CPU architecture: 5TE
CPU variant : 0x2
CPU part : 0x131
CPU revision : 1
Hardware : Marvell SheevaPlug Reference Board
Revision : 0000
Serial : 0000000000000000
# bash -c "time pi 1048576 >/dev/null" 2>&1 | grep real
real 0m44.774s
| The Following User Says Thank You to shadowjk For This Useful Post: | ||
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2010-02-03
, 22:13
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Posts: 71 |
Thanked: 19 times |
Joined on Dec 2009
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#10
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I just wonder why
arm v5(Sheevaplug 1.2 GHz)
fast than
both arm v7(omap 3420 cortex A8 600 MHz)
and arm v6(omap 2420 arm11 400 MHz)
frequency?
or
pi is not suit for performance test
arm v5(Sheevaplug 1.2 GHz)
fast than
both arm v7(omap 3420 cortex A8 600 MHz)
and arm v6(omap 2420 arm11 400 MHz)
frequency?
or
pi is not suit for performance test
Not like x86 platform, there are a lot of test software to show different aspect of the cpu's performance. ARM platform don't have so many. But pi is the same on both x86 and ARM, can be used to show useful info about ARM CPU.
here is for my N810.
apt-get install pi
Other test method please also be suggested. Thanks!