Re: [LAU] Pre-configured Linux Audio laptop for US$499 gets some ink

From: Roger E <gurusonic@email-addr-hidden>
Date: Wed Dec 03 2008 - 02:55:18 EET

Giso Grimm wrote:
>
> Recently I measured the CPU load and battery run time of some low-delay
> audio DSP on an Asus Eee PC 701 (Intel Celeron M, 630 MHz), and on an
> Acer Aspire one (Intel Atom 1.6 GHz). The time spent in the CPU was
> pretty much the same for both systems, and the battery runtime was
> between 3 and 3 1/2 hours on the Asus (Celeron) and 2 1/2 hours on the
> Acer (Atom). Here is the data:
>
> algo1
> Asus: 56.4% CPU, 3h14' battery
> Acer: 51.0% CPU, 2h28' battery
> P4: 20.5% CPU
> algo2
> Asus: 49.8% CPU, 3h16' battery
> Acer: 47.5% CPU, 2h09' battery
> P4: 16.5% CPU
> algo3
> Asus: 36.5% CPU, 3h22' battery
> Acer: 35.0% CPU, 2h27' battery
> P4: 13.0% CPU
>
> jackd
> Asus: 6.0% CPU
> Acer: 4.8% CPU
> P4: 2.2% CPU
>
> Sound card IRQ handler
> Asus: 4.5% CPU
> Acer: 4.2% CPU
> P4: 1.0% CPU (network interface with netjack)
>
> P4 is Intel Pentium 4 @ 3 GHz. I know this is no perfect benchmarking,
> but gives an idea of the processor performance.
>
>
> Giso
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user@email-addr-hidden
> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>
>
Did the Acer have HDD or SSD? Could make the difference in battery time.
or different battery capacity?
I ran super_pi 20 to test basic CPU number crunching on my Core2Duo
E6400 and EeePC900 (Sidux on both systems).:-
EeePC - 71secs
C2D - 18.5secs
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Received on Wed Dec 3 04:15:02 2008

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