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To: linux-scsi@vger.rutgers.edu From: GOTO Masanori <gotom@cs.titech.ac.jp> In-Reply-To: Your message of "17 Dec 1998 12:50:46 +0100" <75ar6m$uki$1@vulcan.alphanet.ch> Date: Thu, 17 Dec 1998 21:54:54 +0900 From: Marc SCHAEFER <schaefer@alphanet.ch> 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 - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@vger.rutgers.edu
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