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Re: [Gnu-arch-users] review/merge request: sftp get/put-file() pipe-lini

From: Scott Parish
Subject: Re: [Gnu-arch-users] review/merge request: sftp get/put-file() pipe-lining
Date: Fri, 19 Mar 2004 06:28:39 +0000
User-agent: Mutt/

On Fri, Mar 19, 2004 at 05:03:44AM +0000, Scott Parish wrote:

> There is some room for debate on tuning the number of requests to
> pipeline

patch-2 takes care of that by linearly growing the pipe-line over time
(up to the desired size), rather then firing off all 16 requests right
at the start.

Also, regarding more practical numbers; checking out the latest of the
2004 hackerlab:

tla get address@hidden/hackerlab--devo--1.0      # w/o pipe-lining
      9.11s user 3.47s system 12% cpu 1:44.40 total
tla/tla get address@hidden/hackerlab--devo--1.0  # w pipe-lining
      9.28s user 3.36s system 14% cpu 1:29.90 total

(of course the difference is all in getting the base-0 revcache)


Scott Parish

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