🚀 go-pugleaf

With all the talk about this subject I do not recall seeing any benchmarking
of a sparc or any other system for that matter. The following table lists times
generated by the Plum-Hall benchmark routines. (They were posted a while back
to comp.misc.sources). There are three things that really stand out to my
mind:

	1> Integer multiplication on the sparc is horrible. However, even
	   the HP RISC is bad. Since much of the code in the real world
	   does more integer then floating point work, it appears that CICS
	   can still more then hold its own.

	2> In general, there is little difference between the RISC and 
	   CISC machines. For example the 68030 9000/370, 9000/835 and the SS1
	   all have very close timings. In fact, except for call+ret and 
	   floating point, the 68030 has better timing. Even among the "1st"
	   generation machines the 68020 based 3/260 beats the 4/260 in the
	   same areas. The floating pont timings are no real palm to the 
	   RISC systems, since they are measures of the fpa not the RISC cpu.

	3> Sun seemly is playing fast and loose with users by claiming 
	   major improvements over their 680x0 line of machines. Worse, 
	   supposed upgrades are not living up to what one might exspect.
	   Note that the 3/80 is lower in timing then the 3/260. Compare this
	   to the HP 68030 machine and one wonders if Sun is purposely 
	   limiting the performance of their CISC machines - doubtless 
	   because their profit margin is lower on these.

                     register  auto      auto       int    function    auto
                       int     short     long    multiply  call+ret    double
-------------------------------------------------------------------------------
cc:
MVME-133  ()          .43       .74       .74      2.41      6.17      5.28    
MVME-133  (-O4)       .43       .53       .43      2.25      5.66      2.04    
Sun-3/260 ()         0.34      0.55      0.56      1.93      2.13      5.70    
Sun-3/260 (-O4)      0.34      0.41      0.34      1.83      1.62      2.20    
Sun-3/80  ()         0.47      0.68      0.70      2.57      2.87      4.37    
Sun-3/80  (-O4)      0.44      0.56      0.45      2.42      2.20      1.90    
Sun-3E    ()         0.45      0.76      0.75      2.47      2.82      5.33    
Sun-3E    (-O4)      0.44      0.54      0.45      2.27      2.22      2.07    
Sun-4     ()         0.54      0.55      0.48      4.80      0.72      1.20    
Sun-4     (-O4)      0.41      0.44      0.40      4.45      0.67      1.00    
HP9000/370 (fpa -O)  0.22      0.26      0.22      1.35      3.96      0.62
HP9000/370 (-O)      0.21      0.26      0.22      1.35      3.08      1.21
HP9000/370(fpa no -O)0.26      0.40      0.36      1.44      4.42      1.56
HP9000/370 (no -O)   0.26      0.40      0.37      1.45      3.38      2.72
HP9000/835 (-O)      0.27      0.29      0.27      5.49      0.31      0.27 
HP9000/835 (no -O)   0.29      0.53      0.45      5.62      0.31      0.59
Sun SS1 (no -O)      0.38      0.40      0.35     19.7       0.51      0.72
Sun SS1 (-O)         0.29      0.33      0.30     19.5       0.49      0.59
-------------------------------------------------------------------------------
			Richard Neitzel
			National Center For Atmospheric Research
			Box 3000
			Boulder, CO 80307-3000
			303-497-2057

			thor@thor.ucar.edu

    	Torren med sitt skjegg		Thor with the beard
    	lokkar borni under sole-vegg	calls the children to the sunny wall
    	Gjo'i med sitt shinn		Gjo with the pelts
    	jagar borni inn.		chases the children in.




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