Machine/compiler register auto auto int func auto int short long multiply call dbl AT&T 3B2/05 (-O) 1.36 3.87 2.62 15.4 7.7 22.5 AT&T 3B2/05 (no -O) 1.78 4.66 2.75 16.2 9.3 22.5 AT&T 3B2/400 (-O) 1.09 1.36 1.10 16.2 10.0(?) 91.4 AT&T 3B2/400 (no -O) 1.14 2.61 2.36 17.3 11.3 91.1 Apollo DN330 (-O) 1.36 .78 1.36 10.17 3.57 Apollo DN330 (no -O) 1.54 1.28 1.54 11.30 3.64 Apollo DN580 (-O) 1.03 .59 1.03 7.67 2.72 Apollo DN580 (no -O) 1.18 .97 1.18 8.48 2.77 Apollo DN660 (-O) 5.88 1.24 5.88 21.86 4.26 Apollo DN660 (no -O) 5.93 1.52 5.93 21.93 4.29 Masscomp 5500 3.18 2.7 4.9 30.8 7.3 Masscomp 5600 (-O) .45 .61 .46 2.83 1.04 Masscomp 5600 (no -O) .46 .78 .64 2.99 1.76 Pyramid 90X (-O) .85 1.04 .86 3.64 1.9 2.37 Pyramid 90X (no -O) .86 1.01 .86 3.65 1.8 2.34 Sequent (-O) 1.39 2.99 2.53 9.90 9.3 Sequent (no -O) 1.50 3.25 2.83 9.95 13.2 Sun 3/260HM (-O) .31 .48 .47 1.98 1.16 Sun 3/260HM (no -O) .36 .58 .57 1.99 1.62 Sun 3/75M (-O) .47 .77 .76 3.00 2.12 Sun 3/75M (no -O) .53 .95 .94 3.01 2.73 Sun 3/75M(4.2, -O) .50 .81 .83 2.85 1.5 20.7 Sun 3/75M(4.2, no -O) .54 1.00 1.01 2.97 2.7 21.1 Sun 3/75M(VM, -O) .46 .77 .75 2.96 2.1 20.8 Sun 3/75M(VM, no -O) .52 .96 .93 2.97 2.7 21.1 VAX 11/730 (-O) 4.00 9.80 6.20 16.2 42.8 12.4 VAX 11/730 (no -O) 4.73 10.2 7.45 16.57 51.5 17.0 VAX 11/780 (-O) 1.21 2.43 1.67 2.76 15.0 2.95 VAX 11/780 (BSD 4.2) 1.38 2.42 1.96 2.92 17.2 VAX 11/780 (UNIX 5.2) 1.24 2.48 1.79 2.72 15.7 3.89 VAX 11/780 (no -O) 1.29 2.51 1.85 2.70 16.7 3.89 VAX 11/785 (-O) .93 1.85 1.32 5.00 13.9 47.5 VAX 11/785 (no -O) 1.01 1.96 1.44 5.08 14.2 5.42 VAX 8650(UNIX -O) .236 .484 .298 .589 2.63 .578 VAX 8650(UNIX no -O) .258 .482 .316 .574 3.06 .791 VAX 8650(Ultrix -O) .23 .40 .29 .53 2.4 .56 VAX 8650(Ultrix no -O) .26 .41 .34 .56 2.8 .77