Re: [Myrinet] GM - preprocessing

Hi Anand, 

  If you use gcc, then you could  use the -E option. 
(I guess most other compilers also have such an option) 

one quick and dirty way is to redirect the output of GM's 
"make" to a file so that it contains all the commands that were 
executed. Then search for the name of the file which you want to 
process. Now the command that created the object file
for that file would of the form 

            gcc -c  <flags> <foo.c> -o foo.o 

Simply change that to 

            gcc -E  <flags> <foo.c> -o foo.E

and run the command by itself; you should be set. 


If you would like to be a bit more adventurous and change your 
Makefile.in, check out my webpage. I have put together some 
patches that you can use.. 

http://arts.ecs.umass.edu/~vlakamra/myri_exp.html


hope that helps, 

Vijay 
--
Architecture & Real-time Systems (ARTS) Lab,
310 Knowles Engineering Bldg,
UMass Amherst 01003
http://arts.ecs.umass.edu/~vlakamra/

On Wed, 27 Feb 2002, Anand Raghuraman wrote:

> Hi,
> 
> The code for the mcp for GM contains a lot of prepossessing directives. Is
> there any way to get the source code after those directives have been
> processed. I know cpp does this, but i am not sure what things need to be
> changed in the makefile. Has anyone tried to do this...?
> 
> any help is appreciated, TIA
> anand
> 
> ----- Original Message -----
> From: <[email protected]>
> To: <[email protected]>
> Sent: Friday, February 22, 2002 11:12 AM
> Subject: Myrinet digest, Vol 1 #18 - 1 msg
> 
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> >    1. Re: Changing the route for single messages (Vijay Lakamraju)
> >
> > --__--__--
> >
> > Message: 1
> > Date: Thu, 21 Feb 2002 14:37:01 -0500 (EST)
> > From: Vijay Lakamraju <[email protected]>
> > To: Thomas Finley <[email protected]>
> > cc: [email protected]
> > Subject: Re: [Myrinet] Changing the route for single messages
> >
> >
> > Hi Thomas,
> >
> > its been a while I experimented with it, but I remember
> > having done the following:
> >
> > 1) including "gm_internal.h"
> > 2) opening the GM_MAPPER_PORT_ID i.e., 1
> > 3) using _gm_set_route function
> >
> > In gm-1.5.1, you have to be a previledged user to use this function
> > if GM was compiled with security enabled. Other than that, I dont see
> > any reason why it wouldnt work.
> >
> > For the format of Myrinet-style routes, take a look at
> > $GM_HOME/mt/README. In fact, there is also a sample program that comes
> > along with GM that sets routes; see
> > $GM_HOME/tests/gm_simpleroute.c
> >
> > hope that helps,
> > Vijay
> > --
> > Architecture & Real-time Systems (ARTS) Lab,
> > 310 Knowles Engineering Bldg,
> > UMass Amherst 01003
> > http://arts.ecs.umass.edu/~vlakamra
> >
> >
> > On Thu, 21 Feb 2002, Thomas Finley wrote:
> >
> > > Hello,
> > >
> > > I want to be able to send a message along a route other than that
> > > specified by the route tables.  In GM, does anyone know of the proper
> > > method to change routes from within a user program?  (In this context I
> > > define a user program as a client of GM, rather than something that
> > > functions on the level of the MCP, for example.)  The programs and
> papers
> > > I read on the subject concern themselves with setting routes in the
> mapper
> > > rather than letting user programs directly set routes themselves.
> > >
> > > I see the _gm_set_route function, but does anyone have experience using
> it
> > > in the manner I describe?  It seems a little drastic to change the route
> > > tables for the purpose of changing the route for a single message, plus
> > > it's not a proper API function.
> > >
> > > My preference is for a solution that works within GM.
> > >
> > > Thanks!
> > >
> > > --
> > > Thomas Finley, [email protected]
> > >
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