Warp wrote:
> 
>   You have to link with "cc -xarch=v9" not with "cc" only.

*SMACK* = the sound made when ones open hand hits ones forehead soundly.

OK .. I hope no one at work sees this.

Thanks. 

Next issue, what is the difference between the sparc v9 and v9a processor?  The
UltraSparc I is referred to as the v8plusa yes?  Then what is the v9a? 
UltraSPARC II I guess.  I'm going to compile for that architecture as well and
then test with your sample file until I get the fastest time.  The sample file I
am using is :

----------8<----------8<----------8<----------8<----------8<----------
camera { location <0,2,-2> look_at y*.2 angle 35 }
light_source { <10,10,-5>, 1 }

#declare WPRadius = 1;
#declare WPCurvRadius = 1.5;
intersection
{ #declare IPH = sqrt(pow(WPCurvRadius,2)-pow(WPRadius,2));
  torus { WPRadius, WPCurvRadius translate -y*IPH}
  cylinder { 0, y*(WPCurvRadius-IPH), WPRadius }
  
  pigment
  { spiral1 1 color_map { [0 rgb <.5,.75,1>][1 rgb <0,.5,1>] }
    turbulence .1
    rotate x*90
    scale <.1,1,.1>
  }
  normal
  { spiral1 1 .15 slope_map
    { [0 <0,0>][.25 <.5,1>][.5 <1,0>][.75 <.5,-1>][1 <0,0>] }
    rotate x*90
    scale <.2,1,.2>
  }
  finish { specular .5 reflection .3 }
}
----------8<----------8<----------8<----------8<----------8<----------

    which comes from one of your earlier posts.  The system that I'm testing
with is a Sun Ultra 2 with two 300MHz processors.  I believe that the CPUs have
2Mb of L2 cache each.  The WorkShop compiler will allow me to specify a target
system and that will, in theory, tailor a few other options to maximize
performance on that system.  I really don't know how much I believe that but any
binary built for the Ultra 2 will probably show poor performance on a SunBlade
100 with only 256Kb of cache.

I'll post my results.  At the moment I'm trying something a tad extreme. 

    CFLAGS=-dalign -fsimple=0 -xO4 -ftrap=%none -libmil 
           -s -temp=/tmp/compiler -v -Xa -xarch=v9a

Dennis Clarke

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