From: Marc SCHAEFER <[EMAIL PROTECTED]>
Subject: Re: linux generic SCSI interface 'READ' speed.
>
> What about trying the new direct IO on block devices (see kernel
> announcement) with a multithreaded program ?
>
> Direct IO theoretically doesn't have the overhead of copying the
> data (which everything going through the buffer cache has).
>
> Multithreaded or async I/O allows to suppress the overhead of
> system + SCSI since at least a command is always outstanding.
It seems good, But, I don't know about it...
I can't find about the new direct IO. Would you tell me informations?
Regards,
--
GOTO Masanori
Tokyo Institute of Technology, Department of Computer Science
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