Re: Yet more benchmarks for 2.4.0-prerelease and -ac[4,5]

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Jan 03 2001 - 18:11:55 EST


> recent kernels. It looks like there may be a slight drop
> in performance for -ac5. For -ac4 and -ac5, the throughput

-ac5 touches stuff which would have performance effects. That would be
reasonable to suspect.

        - Rik's partial page changes
        - A couple of other minor vm touches

If it is relaed to those then you should see the same loss of speed on the
testing/prerelease file on ftp.kernel.org.

> dropped on run #3. That's probably just a fluke. I'll repeat
> these runs later when I get a chance.

4 doesnt change anything except for FATfs and writing raw off end of disks
so for now lets assume fluke

Alan
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