simultaneous install of packages
sfp3334 at post.netlink.se
Thu Oct 26 08:48:34 PDT 2000
> -----Original Message-----
> From: jeg at primenet.com [mailto:jeg at primenet.com]On Behalf Of John E.
> Garrott Sr
> Sent: Thursday, October 26, 2000 16:50
> To: lfs-discuss at linuxfromscratch.org
> Subject: Re: simultaneous install of packages
> Shaggy Im-erbtham wrote:
> > I am in the middle of chapter 6, installing packages in
> chroot'ed environment.
> > I was just wondering if one could simultaneously install two or
> more packages
> > in as many different consoles.
> > This way, I could start compiling up to four packages at one
> go, then leave
> > the
> > computer to do the crunching while I attending to other stuff. I do that
> > already
> > with one console but figured I could finish faster with more consoles.
> > TIA
> > Shaggy
> > --
> > Unsubscribe: send email to lfs-discuss-request at linuxfromscratch.org
> > and put unsubscribe in the subject header of the message
> Don't know why not. I brought up X as soon as I
> could and often compile in two or more windows. About
> the same thing.
> There is a limit however. Two or three compiles going
> at once on my P133 seems to speed things up. More than
> that seems to make them drag.
> All I can say is try it. At worst you'll learn something :)
> Good luck,
The explanation for why a few compiles at once might be more efficient while
going beyond slows things down is fairly simple, if someone doesn't know:
Doing a few, means one process can use the cpu to crunch, while another is
busy writing to harddrive and so forth. But having too many processes at
once creates excessive overhead, where the cpu spends more and more time
keeping track of all the compiles going and more resources swapping back and
forth between them. It's all rather system dependent of course, though the
2-3 at once should be a good rule of thumb.
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