On Mittwoch, 13. M�rz 2002 13:17:13, Klaus Niederkrueger wrote:
> > > But then I went a step further and compiled the view-perf with the
> > > switches "-DMP" and "-lpthread", which seem to enable threads.
> > > While all other tests work (as far as I can tell), DRV crashes now. In
> > > Software-mode I get a segmentation fault and in hardware mode it says
> > > "RadeonSwapBuffers error: some number".
> > >
> > > Can anybody reproduce these problems?
> >
> > I will, but how have you solved the problem below?
> >
> > cc -o viewperf objs/Env.o objs/clock.o objs/texture.o objs/viewperf.o
> > objs/eD.o objs/eI.o objs/eDM.o objs/eIM.o objs/eDA.o objs/eIA.o
> > objs/eDMA.o objs/eIMA.o objs/eDW.o objs/eIW.o objs/eDMW.o objs/eIMW.o
> > objs/eDAW.o objs/eIAW.o objs/eDMAW.o objs/eIMAW.o -L/usr/X11R6/lib -Lobjs
> > -Lvpaux/libaux -Lvpaux/libtk -L/usr/lib -L/usr/lib -lvp -lm -lX11 -lXext
> > -laux -lGL -lGLU -lz -lpng -lpthread
> > objs/viewperf.o: In function `parse_args':
> > objs/viewperf.o(.text+0x7af7): undefined reference to `GetNumProcessors'
> > collect2: ld returned 1 exit status
> > make: *** [viewperf] Error 1
> >
> > `GetNumProcessors' is NOT defined in EnvLINUX.c.
> I used the standard "Makefile" in "src/".
Me, too.
make -f makefile.linux is enough.
> To be able to compile anything
> at all I had to add "-I/usr/X11/lib".
I didn't need that due to LSB.
> For multithreading I added
> somewhere (I think in "DEFINES=.." the "-DMP" and for the libraries I
> added the "-pthread").
ditto
> I don't know what else could be relevant. Maybe
> that the sources of viewperf I'm using are maybe three month old, so that
> there could be a newer version. Also I'm compiling under Suse 7.3.
I think my is much older, but 6.1.2 anyway;-)
> I did not experience these compile-errors.
I had to add the below few lines to EnvLINUX.c as someone pointed out,
yesterday.
Then all is smooth.
/******************************************************************************
*
* GetNumProcessors - return number of processor on system
*
* Description:
* For MP execution, then number of processors is used for identification of
* of the number of graphics threads to exploit.
*
* Returns:
* integet number of processors
*
* Side Effects:
* none
*
* Errors:
* no errors, if function fails the string 1 is returned
*
* Revision History:
* Initial Release
*
*****************************************************************************/
int
GetNumProcessors()
{
return (1);
}
It gave no performance increase because I have a single CPU system but I am
running lastest O(1) and preemption stuff. So it is even so _NOT_ slower.
And my Athlon XP/MP is still around...;-)
Thanks to all who answered.
-Dieter
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