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Re: port-i386/39336: building NetBSD with build.sh's `-j 32' option fails
On Mon, Aug 11, 2008 at 12:05:04AM +0000, Ray Phillips wrote:
>> Are you sure you're not running out of swap ? You may have indications
>> of this in the tail of 'dmesg', if you didn't reboot your system since
>> this run.
> That is what happened Manuel; thanks. The last two lines of dmesg's
> output were:
> UVM: pid 28069 (cc1), uid 0 killed: out of swap
> UVM: pid 25759 (cc1), uid 0 killed: out of swap
> This machine (a 333 MHz PII) has 256 MB RAM and about the same amount
> of swap space. Can you say how much swap space it would need to
> complete the build? Assuming it had enough, no doubt it would take
> considerably longer to finish than the ~ twenty-nine hours it took
> without the -j option?
A 32-way build? Probably a gig or two. And then it'll probably take
weeks to run, thrashing hard the whole time.
On a one-processor machine, you're not likely to get any speed gains
by going higher than -j2 or maybe -j3, and even then it only helps if
you have enough RAM, which you don't.
David A. Holland
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