[wellylug] Gentoo vs. Debian resources

Daniel Pittman daniel at rimspace.net
Wed Mar 24 18:39:53 NZDT 2010


Bret Comstock Waldow <bcw1000 at yahoo.com> writes:

[...]

>> Subject:
>> Re: [wellylug] Load averages - Gentoo v. Debian
>> From: Daniel Pittman <daniel at rimspace.net>
>
>> Bret Comstock Waldow <bcw1000 at yahoo.com> writes:
>>> I'm working through the best set up for my laptop/tablet.  Given various
>>> requirements, I've implemented the same desktop in Gentoo and Debian
> Lenny.
>
>>
>> Wow.  Those are some amazing differences!  I would love to know more; we
>> use Debian here at work, and it is always nice to get a bit more
>> performance back, so...
>>
>> Can you tell me which services are run by Debian out-of-the-box that Gentoo
>> doesn't?  Just the process names would be fine. ;)
>
> Would 'ps -ef' on both machines do?  Or...?

Yeah, that would be fine by me.  Mostly, I am wondering if this comes down to
extra stuff by default which we already turn off, or something deeper. :)

>> I am also curious about the memory: I presume you mean 300-500MB extra
>> cache, not unused, memory; if it isn't obvious from the list of daemons,
>> can you identify what uses that?  Even the results from top in memory sort
>> should be good enough to start from.
>
> Looks like 'unused memory' to me.  Am I misreading this?

Nope.  It looks like neither box had been used enough to actually fill up the
memory entirely, and something on Debian was using ~ 300MB more.  Any hints
about what?

[...]

> CFLAGS="-O2 -march=core2 -pipe"
> CXXFLAGS="${CFLAGS}"

Heh.  I wouldn't have expected core2 scheduling to be that much better than
i686.  Maybe I will found some enthusiasm and try building the Debian package
with those options, and see if it changes anything.

Thanks.
        Daniel

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