Re: make -j#

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From
Bruce Evans <bde@zeta.org.au>
Date
14 Oct 1996 00:04:11
Subject
Re: make -j#
Message-ID
199610140658.QAA21439@godzilla.zeta.org.au


[ Hide this part ]
>COPTFLAGS= -O -pipe
>.. I find that a simple 'make' is faster than any setting of -j# ..
>
>This is probably more dependent on the machine in question than anything,
>including things like cache speed, ram speed, disk speed and architecture
>(ie: scsi vs. ide etc).

-j3 added to -pipe slows things down slightly on a 32MB system with a slow
disk here. System time is > 20% larger. The slowdown is larger for
`make -j3 2>foo' because -jN botches stderr. Steve Price is fixing this.

Bruce


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