[Slackbuilds-users] "make -j4" [was: linuxwacom slackbuild]
Murat D. Kadirov
banderols at gmail.com
Fri Aug 8 22:53:29 UTC 2008
19:37 Fri 08 Aug , Jim Diamond написал:
> On Fri, Aug 8, 2008 at 12:10 (-0500), Robby Workman wrote:
> > Jim Diamond wrote:
> >>P.S. For everyone who makes slack packages... Maybe this has been
> >>hashed out 100 times and you don't do it for some good reason, but if
> >>not, would you consider using "-j 4" or something like than on your
> >>"make" commands? Even on a single core, single CPU machine this helps
> >>noticeably, and on a multi-core machine it makes a big difference.
> > No, that's not the best (IMHO) way to do it. While "make -j4" might
> > be appropriate for you, "make -j8" might be appropriate for me, and
> > "make -j2" might be best for someone else. As I see it, the best
> > thing to do is use plain "make" -- that way, I (and everyone else)
> > can set MAKEFLAGS in my shell environment.
> > Example:
> > MAKEFLAGS="-j8" make
> Well, as you say, some people might like different choices. However,
> I suggest that extremely few people will benefit with "-j 1", and so
> making the default choice even 2 would speed things up for (I suggest)
> virtually everyone. The mileage of those people still running 486's
> with <= 32 Mbytes memory may vary :-)
> One data point: my venerable Dell I8000 with its measly 192 MB of
> memory and sloth-like P3-700 compiles things much more quickly with "-j 4".
My example :) My laptop with Celeron 1.4Ghz and 256Mb RAM with "-j 2"
compile corrupted binary file djview3 (djvulibre package).
Murat D. Kadirov
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