Re: Some LFS vs. FFS+softdep testresults

Wojciech Puchar <[email protected]> Sun, 30 Mar 2003 09:06:10 +0200 (CEST)

Newsgroups	gmane.os.netbsd.devel.performance,gmane.os.netbsd.devel.kernel
Message-ID	<[email protected]>

>
> FFS:
>               -------Sequential Output-------- ---Sequential Input-- --Random--
>               -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>          2000 49712 46.0 47548 19.3 11092  3.8 47817 49.0 48925  9.6 217.4  1.2
>
>
> LFS:
>               -------Sequential Output-------- ---Sequential Input-- --Random--
>               -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>          2000 34875 40.8 39680 26.9 22030 17.2 47937 49.1 46426  9.1 240.1  1.3


with much higher CPU load. doesn't lfs do extra memory-to-memory copy
somewhere?