Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sources.redhat.com Delivered-To: mailing list cygwin@sources.redhat.com Message-ID: <004301c16871$1636d550$24ed85ce@amr.corp.intel.com> From: "Tim Prince" To: , "David" References: <81CFFDBDD157D211B34700805F9A13B3017BD394@cairo> <5.0.2.1.2.20011107204457.00ad9208@mail.airmail.net> <5.0.2.1.2.20011108073825.032ac898@mail.airmail.net> Subject: Re: make Date: Thu, 8 Nov 2001 08:19:03 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 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" To: "Tim Prince" ; 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" > >To: > >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? > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/