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

[Roger E]

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
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> Linux-audio-user at lists.linuxaudio.org
> 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