[Emc-users] Need help to improve my pc about latency test

[Luis A. de A. <lui...@ya...>]

Hi all!
I ran the latency test in my pc and it is with right value, about 99ms, according with the documents this is not good to work with step generator, i tried to follow some tips in WIKI but it was not enough to fix my problem.
That is my hardware.
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 651 Host (rev 02)
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] SiS AGP Port (virtual PCI-to-PCI bridge)
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS962 [MuTIOL Media IO] (rev 25)
00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2 SMBus Controller
00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0)
00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] AC'97 Sound Controller (rev a0)
00:03.0 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)
00:03.1 USB Controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)
00:03.3 USB Controller: Silicon Integrated Systems [SiS] USB 2.0 Controller
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 91)
01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5500] (rev a1)

Please tell me if i can improve it or will be necessary change the pc.
Thanks.

 
Luis Andrade


________________________________
 De: Jon Elson <el...@pi...>
Para: Enhanced Machine Controller (EMC) <emc...@li...> 
Enviadas: Segunda-feira, 21 de Novembro de 2011 1:40
Assunto: Re: [Emc-users] Has anyone done some jobs about porting EMC2 to ARM9 platforms ?
 
Kirk Wallace wrote:
> I seem to recall the ARM chips had a cache between the core and the I/O
> buss. I browsed some links to the Blackfin chips and wonder if this link
> indicates a more direct link between the core and the PPI and other I/O?
> http://www.analog.com/en/processors-dsp/blackfin/adsp-bf537/processors/product.html 
>
> At 600MHz, these chips seem to scoot pretty well too.
>  
The Blackfin is almost certainly capable of much higher 
software-directed I/O.
But, it is also a much harder chip to use, Harvard architecture and all, 
and may
well not be able to run a Linux system.  The Beagle Board has 256 MB of main
memory, cache, USB and MMC (SD memory cards) all built in.

Jon

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