[systemd-devel] XDM and systemd --user

[Zbigniew Jędrzejewski-Szmek]

On Sat, Sep 29, 2012 at 09:02:11PM +0100, Colin Guthrie wrote:
> 'Twas brillig, and Kok, Auke-jan H at 28/09/12 20:09 did gyre and gimble:
> > 1) people should fix 'make' to just allow `-j` without an argument
> > (seriously, dude ;^) )
> 
> Going dangerously off-topic, but two points:
> 
> If you're using -j I've always gone under the impression you want the
> value to be #cores+1, not #cores. That way you keep your machine working
> full tilt.
> 
> But regardless, why not use "make -l" anyway? This way it's tied to
> system load which is likely a more prudent method to decide whether or
> not new make jobs are issued - e.g. if you happen to be running a make
> process that is io-intensive, you likely want to run less of them, but
> if you've got a couple jobs one of which is io intensive then some of
> your cpu cores might be mostly idle... -l should allow you to max things
> out better.

Yeah, -l seems better. But than you still want a load of #cores+1, no?
And -l requires an argument too, so it has exactly the same
inconvinience as -j.

Zbyszek