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From: pascal on 30 May 2010 08:11


"Maxim S. Shatskih" wrote:

> > *) what to you think that the consideration for that kind of device driver
> > should be?
>
> What is the data? is it some video? then AVStream is the proper way.

the data is just raw data that has to processed offline not in 'real time'
the data comes out in high speed PCIe is saved in memory then to the hard
disk, what do you think that the designed pattern should be?

Thanks



From: Tim Roberts on 31 May 2010 13:42
pascal <pascal(a)discussions.microsoft.com> wrote:
>
>Thanks for the help. the best description of the device that is high speed
>Data Acquisition it has to take a LOT of stream data (only 1 direction ) and
>store it to the PC workstation using properly the memory as first then to
>hard drive,
>*) what to you think that the consideration for that kind of device driver
>should be? simple designed ? any particular designed patten ?

One consideration is that the hard drive will be your bottleneck. Most
commodity hard drives are straining to keep up with 30 or 40 MB/s.
--
Tim Roberts, timr(a)probo.com
Providenza & Boekelheide, Inc.
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