Go vml GO!
Shanker :-)
----- Original Message -----
From: Vimal Mathew <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, November 16, 1999 11:15 AM
Subject: Re: [LI] Recompiles anyone?
> Hi,
> I recompile most of my kernels with optimization options, ie.
> CC=egcs {used to be pgcc, but lost pgcc in an HD crash}, and
> CFLAGS="-O6 -ffast-math -fomit-frame-pointer -mpentium". The
> difference in power/performance is difficult to measure, coz I lack
> the benchmarking utils. But, this I can say: My computer(P120MHz,16MB)
> gets a faster net. connection than my neighbouring computer(P233MHz,
> 32MB) in the computer lab. Also, general performance is better.
> Most programs I d/l as source, compile (with optimization, of-course,
> I just export CC and CFLAGS as above before running configure).
> Optimization works great with C programs coz. its high level
> and gcc knows its job. When it comes to assembly, there isnt much
> you can do(No optimization options for as or as86 that I know). You
> might have to go in for changing the source, algo. optimization,
> instruction pairing etc. to get the extra speed, where the labour
> involved is not often worth it.
> My computer has kernel, SVGAlib, zgv, bzip2, ircd, nmap, hunt,
> gpm, irqtune, mpeg_play, and a bunch of games all compiled from
> source with optimizations and its great fun. The largest speed
> differences come in the games ;) and the other graphics stuff.
> Therefore, advantages: speed/performance, more choice over
> features(you can selectively enable or disable features when running
> configure), good documentation, improved social status etc..
> Disadvantages : More to download, compiling can be a pain if
> the scripts dont work properly (you sometimes have to fool around
> with header files if you upgraded your kernel and the program was
> meant for another one), hard-disk space etc...
> If you have the time and patience, recompiling is the way
> to go..
> BTW, did I tell you that my Ethernet driver(ne2k-pci) is
> upgraded and pentium optimized.. ;P
>
> Bye,
> --vml,
> Model Engg. College, Cochin
>
>
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