Re: kmem-pool-uvm

[Lars Heidieker <lars%heidieker.de@localhost>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 05/21/11 13:26, Lars Heidieker wrote:
> 
>> Have you done some performance testing so we can be sure that any of those 
>> patches will not hurt performance too much ? (Simple build.sh -j4 times on 
>> your machine)
>>
>> Regards
>>
>> Adam.
>>
>>
> 
> Here are the results
> 
> boot:
> rm -rf /usr/obj/*
> time ./build.sh -u -j4 distribution
> 
> first run
>               real            user            sys     map-entries
> current               1701            4425            1016            549
> option a      1697            4420            997             425
> 
> rm -rf /usr/obj/*
> time ./build.sh -u -j4 distribution
> 
> second run
>               real            user            sys     map-entries
> current               1656            4407            989             724
> option a      1653            4405            980             591
> 
> map entry count gained by pmap -R 0 | wc
> 
> Most of the difference seems to be in the noise except for the map entry
> count, with a slight edge for option a.
> This comes at no surprise as most scalability comes from the pool(9)s
> anyway.
> 
> Lars
> 

I've uploaded patches with the conversion split-out to
ftp://ftp.netbsd.org/pub/NetBSD/misc/para

Lars



- -- 
- ------------------------------------

Mystische Erklärungen:
Die mystischen Erklärungen gelten für tief;
die Wahrheit ist, dass sie noch nicht einmal oberflächlich sind.

   -- Friedrich Nietzsche
   [ Die Fröhliche Wissenschaft Buch 3, 126 ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAk3axhUACgkQcxuYqjT7GRbiCgCfUQQ59h6C8uk4m7WmTd3yrqhj
BtIAn0OU5lMVkzaG5OnSFv50N4XEylbY
=Xgfy
-----END PGP SIGNATURE-----