[gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[Richard Watson]

Hi - I'm installing Gentoo on a Intel(R) Pentium(R) 4 CPU 1.70GHz stepping
02. Can anyone advise me as to the correct CHOST setting. I'm a bit confused
on this ..
--
Thanks, Richard




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Re: [gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[Colin]

On Aug 4, 2005, at 12:13 AM, Richard Watson wrote:

> Hi - I'm installing Gentoo on a Intel(R) Pentium(R) 4 CPU 1.70GHz  
> stepping
> 02. Can anyone advise me as to the correct CHOST setting. I'm a bit  
> confused
> on this ..

Pentium II and newer processors (and other i686-compatibles) simply  
use "i686-pc-linux-gnu".  Why this is, I don't know exactly;  it  
deals with the processor's architecture and how it compiles code.

Also, set your CFLAGS to "-O2 -march=pentium4 -mfpmath=sse,387 -pipe - 
fomit-frame-pointer" for a good mix of speed and stability.
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Colin
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RE: [gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[Richard Watson]

> Hi - I'm installing Gentoo on a Intel(R) Pentium(R) 4 CPU 1.70GHz  
> stepping
> 02. Can anyone advise me as to the correct CHOST setting. I'm a bit  
> confused
> on this ..

>> Pentium II and newer processors (and other i686-compatibles) simply  
>> use "i686-pc-linux-gnu".  Why this is, I don't know exactly;  it  
>> deals with the processor's architecture and how it compiles code.

>> Also, set your CFLAGS to "-O2 -march=pentium4 -mfpmath=sse,387 -pipe - 
>> fomit-frame-pointer" for a good mix of speed and stability.

Thanks Colin, I've (unfortunately) already compiled my system. Can I
re-compile everything with:

# emerge --update --ask --deep --verbose --newuse --tree world

The reason I'm looking into this is Kino keeps crashing, as do other data
intensive, high CPU applications.
--
Thanks, Richard

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Re: [gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[Colin]

On Aug 4, 2005, at 1:29 AM, Richard Watson wrote:
>
> Thanks Colin, I've (unfortunately) already compiled my system. Can I
> re-compile everything with:
>
> # emerge --update --ask --deep --verbose --newuse --tree world
>
> The reason I'm looking into this is Kino keeps crashing, as do  
> other data
> intensive, high CPU applications.

This is definitely a case of flaky hardware or insufficient cooling.   
Don't bother recompiling your system, work on finding the culprit.  I  
recommend a thorough dusting, inside and out, followed by a couple  
passes of memtest86.

But if you do want to recompile, re-bootstrap and emerge your system  
first:
  cd /usr/portage
  scripts/bootstrap.sh
  emerge -Davenut system  # no offense to any Daves, this is just  
easy to remember.  It's your stuff plus --emptytree.
  emerge -Davenut world
  Rebuild your kernel.
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Colin
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RE: [gentoo-user] Correct CHOST setting for Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02

[Richard Watson]

Colin ... I never thanked you on this ... thanks,
--
Regards, Richard


-----------
This is definitely a case of flaky hardware or insufficient cooling.   
Don't bother recompiling your system, work on finding the culprit.  I  
recommend a thorough dusting, inside and out, followed by a couple  
passes of memtest86.

But if you do want to recompile, re-bootstrap and emerge your system  
first:
  cd /usr/portage
  scripts/bootstrap.sh
  emerge -Davenut system  # no offense to any Daves, this is just  
easy to remember.  It's your stuff plus --emptytree.
  emerge -Davenut world
  Rebuild your kernel.
--
Colin
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