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Message-ID: <004301c16871$1636d550$24ed85ce@amr.corp.intel.com>
From: "Tim Prince" <tprince AT computer DOT org>
To: <cygwin AT cygwin DOT com>, "David" <dnkohn AT iadfw DOT net>
References: <81CFFDBDD157D211B34700805F9A13B3017BD394 AT cairo> <5 DOT 0 DOT 2 DOT 1 DOT 2 DOT 20011107204457 DOT 00ad9208 AT mail DOT airmail DOT net> <5 DOT 0 DOT 2 DOT 1 DOT 2 DOT 20011108073825 DOT 032ac898 AT mail DOT airmail DOT net>
Subject: Re: make
Date: Thu, 8 Nov 2001 08:19:03 -0800
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Close enough.  x is the number of processes you want; on Windows it's good
not to exceed the number of processors.  It may not have been tested
extensively on NT lately, as most people (I think) use Win2K with Cygwin.
----- Original Message -----
From: "David" <dnkohn AT iadfw DOT net>
To: "Tim Prince" <tprince AT computer DOT org>; <cygwin AT cygwin DOT com>
Sent: Thursday, November 08, 2001 5:42 AM
Subject: Re: make


> We disable Mcafee for the builds as it adds to much overhead.
> I am looking in Task Manager to start with to see the utilization.
> I see no difference from using make -j x (where x is the number of
> processors).and make without the -j switch.
> By using make -j you can take advantage of parallel executions.
> Please let me know if I'm invoking it incorrectly.
>
>
> At 09:21 PM 11/7/2001 -0800, Tim Prince wrote:
>
> >----- Original Message -----
> >From: "David" <dnkohn AT iadfw DOT net>
> >To: <cygwin AT cygwin DOT com>
> >Sent: Wednesday, November 07, 2001 6:45 PM
> >Subject: make
> >
> >
> > > I am somewhat new to cygwin ( have been using it for a few months) and
am
> > > currently assisting our developers.
> > > I am setting up builds using the 1.3.2 version and I'm trying to find
out
> > > if make under cygwin can do parallel processing. I saw a note on the
> > > 3.77.1 version of make that parallel processing code had been worked
on.
> > >
> > > I've tried make -j 2 for a 2 processor machine but the cpu utilization
is
> > > still down at 3-6%.
> >That is typical, if you have McAfee running in command script checking
mode.
> > > Has the code for parallel processing been tested for NT ? How does one
> > > verify that it is working ?
> >By working, you mean tasks starting while other tasks are
> >executing?...Shorter over-all elapsed time, with multiple processors?
May
> >not happen if you're running McAfee.  Have you tried Task Manager or
> >Perfmon?
> >



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