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Computer history TNO-FEL:
Relative CPU performance

For many systems that have been used at or by TNO-FEL, the LINPACK 100*100 and LINPACK 1000*1000 computational speed have been measured. The table below gives an indication of relative CPU performance.

Relative CPU performance
Computer OS/Compiler LINPACK N=100(Mflops) LINPACK N=1000(Mflops) Peak(Mflops)
ETA10-P (1 proc. 24 ns) ETAV/FTN200 27 146 167
Convex C-230 (3 proc.) 6.1 -O3 -ep2 -uo -pp=fcpp1 -is . 26 128 150
Sun Sparc1000 (50 MHz;1 proc)   25 50  
Convex C-220 (2 proc.) 6.1 -O3 -ep2 -uo -pp=fcpp1 -is . 24 87 100
Sun Sparc 10-52 (1 proc) Sun 3.0 -fast -O4 -unroll=4 -Bstati 23    
CDC CYBER 205 (2-pipe) FTN 17 113 200
Sun SPARCsystem 10/30 36MHz f77 -O4 -cg89 -libmil -native 9.3    
Alliant FX/40 (4 proc.) -O -DAS -inline 6.7 33 94
Sun 4/50 IPX f77 1.4 -O3 -cg89 -dalign 4.1    
Sun SPARCstation 2 f77 1.4 -O3 -cg89 -dalign 4.0    
Sun 4/490 4.1.1 f77 -O3 3.6    
CDC 4380 f77 2.11.2 o2 6.8 3.46  
CDC 4330 f77 2.20 opt=02 3.5    
Sun SPARCstation 1 f77 1.3.1 -O3 -cg89 -dalign 1.4    
DEC VAX 6000/410 (1 proc) ftn/opt 0.6 1.09  
CDC CYBER 180-840 NOS/VE VFTN OPT=HIGH 1.06 1.26  
CDC CYBER 930-31 NOS/VE 1.2.2 0.59 0.63  
CDC 6600 FTN 4.6 opt=2 0.48    
CDC CYBER 170-835 FTN 5 opt=2 0.47    
Sun-3/260 + FPA 3.2 f77 -O -ffpa 0.46    
CDC CYBER 170-835 FTN 5 opt=1 0.44    
microVAX 3500 ftn/opt 0.40 0.20  
DEC VAX 6000/310 (1 proc) ftn/opt 0.58 0.33  
CDC CYBER 930-11 NOS/VE OPT=High 0.42 0.37  
CDC CYBER 180-830 NOS/VE OPT=HIGH 0.24    
DEC VAX 8250/8350 (UP) VMS v4.6 0.18 0.08  
CDC CYBER 180-810 NOS/VE OPT=HIGH 0.17    
Compaq 386/20 w/387 RM/Fortan 2.43 0.13    
microVAX II VMS v4.5 0.13    
VAX 11/750 FPA VMS v4.1 0.12    
Sun 3/260, 20 MHz 68881 3.2 f77 -O -f68881 0.11    
microVAX II f77 Ultrix 1.1 0.082    
VAX 11/750 VMS v4.1 0.057    
IBM PC-AT/370 VS Fortran opt=3 0.033    
microVAX I VMS 0.023    



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