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Old 12-05-2001, 10:41 AM   #1
willieong
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Smile Performance resulting from KErnal compiling


May I know if compiling a new kernel will speed up my Linux system. I have installed Redhat Linux 7.1 on my system for a few weeks but it seems there is always a delay of a few seconds before anything happens when I run a program. My specs is PIII 733 with 512mb sdram. I would like to know is it necessay to compile my own kernel to speed up the os or is it that I did not set up my first installation correctly that resulted in the slow performance?
Any help will be greatly appreciated.
 
Old 12-05-2001, 01:18 PM   #2
finegan
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Yes and no.

The delay, and I'm assuming you're using X, is probably just X being a thrashy pig. My 1.2Ghz Athlon still takes a few seconds every once in a while (The again I've got an old vid card and Enlightenment maxed out).

Will a kernel compile speed up the system? Probably not noticeably on something as whirling as a PIII.

Does this mean its not worth compiling the kernel? Of course not. Right now, with RedHat's stock kernel you have support for IRda (Yeah, remember infra-red devices...) pcmcia, SCSI you probably don't have, about 100 network cards, ISDN, basically tons of garbage you don't need.

Cheers,

Finegan
 
Old 12-06-2001, 04:10 AM   #3
Aussie
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If you compile your own kernel you can specify only the hardware you have and thus make the kernel smaller, a small kernel is a fast kernel, as well you can set it for i686 instaed of the stock redhat i386, this won't give a huge speed boost but if you start compiling programs from source with the march -i686 switch you can see some improvements with certain apps. Of course if you go this far then your only a short step away from linux from scratch.
 
Old 12-10-2001, 10:18 AM   #4
willieong
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Dear all, thanks for replying...8-)

but I am having another problem. It seems that after configuring the linux to log on into the intranet of my school network to be online, my linux seems more slow and get stuck in the sendmail program during startup of the kernel. After a long delay, I get to log on in text mode despite me setting the logon in Xwindows mode. Any suggestions?

Thanks again for your help...8-)

Cheers,
Willieong
 
Old 12-10-2001, 10:29 AM   #5
Aussie
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Are you using sendmail for sending mail?
If not then you can just turn it off to speed things up.
 
Old 12-10-2001, 11:49 AM   #6
willieong
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Dear all, thanks for replying...8-)

but I am having another problem. It seems that after configuring the linux to log on into the intranet of my school network to be online, my linux seems more slow and get stuck in the sendmail program during startup of the kernel. After a long delay, I get to log on in text mode despite me setting the logon in Xwindows mode. Any suggestions?

Thanks again for your help...8-)

Cheers,
Willieong
 
Old 12-10-2001, 01:04 PM   #7
willieong
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Dear all, thanks for replying...8-)

but I am having another problem. It seems that after configuring the linux to log on into the intranet of my school network to be online, my linux seems more slow and get stuck in the sendmail program during startup of the kernel. After a long delay, I get to log on in text mode despite me setting the logon in Xwindows mode. Any suggestions?

Thanks again for your help...8-)

Cheers,
Willieong
 
Old 12-10-2001, 01:05 PM   #8
willieong
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I know it sounds stupid of me but how do I turn sendmail off?
for for my ignorance...8-)
 
  


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