Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!emory!hubcap!argosy!fyodor From: argosy!fyodor@decwrl.dec.com (Chris Kuszmaul) Newsgroups: comp.parallel Subject: Re: Acceptable efficiency factors Summary: 50 percent iis really quite ambitious on any machine Message-ID: <9520@hubcap.clemson.edu> Date: 30 Jun 90 12:47:00 GMT Sender: fpst@hubcap.clemson.edu Lines: 602 Approved: parallel@hubcap.clemson.edu In article <9508@hubcap.clemson.edu>, xxremak@csduts1.lerc.nasa.gov (David A. Remaklus) writes: > In a recent conversation with some colleagues of mine at the Ames NAS > facility concerning parallel processing, they mentioned their experiences > porting a code to the Intel i860 hybercube located there (128 nodes, > 7.5 gigaFLOPS peek). On this particular code they were able to > achieve about 300 MFLOPS for an efficiency factor of about 2.5%. This > low efficiency factor didn't seem to bother them but it sure bothered > me. Other colleagues of ours at the United Technologies Research Center > in East Hartford, CT ported similar codes to their 1/4 CM-2 and achieved > anywhere from 600 to 800 MFLOPS for an effiency factor of more than 50%. > > It is our contention that it is necessary to achieve an efficiency factor > of at least 50% before the particular implementation of the code can be > considered appropriate for execution on that parallel processor system. > What are your opinions on this matter? Are there any published papers > that deal with this subject? > > Dave R. > > -- > David A. Remaklus > NASA Lewis Research Center > Cleveland, Ohio 44135 > xxremak@csduts1.lerc.nasa.gov The following table is derived from information published in the CSRD Perfect Report, of March 1990. One of my colleagues, Dr. Ken Jacobsen, Director of the Applications Group at MasPar computer corporation, compiled it. What it contains is performance, and percentages of peak performance for each of several computer systems, on each of several applications. There are two categories, one is for 'Base' performance, one is for 'Optimized' performance - the base performance is from directly compiled code, the optimized performance is for hand-tuned code. You will note that, except for workstations (for which the percentages are a little suspect- consider the DEC 600-410S , which gets 107.7 (!!) percent of peak on hand tuned FLO52) the peak performances for ANY high end computer rarely approach 50 percent, let alone a parallel computer. Based on the above numbers, I suggest that any computer (parallel or otherwise) which is getting more than ten percent of peak performance on a given application is doing at least a reasonably acceptable job. If a system gets fifty percent, then you have an unusually good application/machine matchup. 2.5 percent is a little low - but really is not that bad. Not that I would want anyone to buy anything other than a MasPar MP-1, which, by the way, gets roughly 30% of peak performance on ARC3d. CLK PERFECT CLUB SUMMARY Machine Peak ADM ARC2D ARC3D FLO52 OCEAN SPEC77 BDNA _______________________________________________________________________________ Cray XMP/14SE 200.0 Base Sec 47.2 26.8 -.- 8.8 74.7 -.- 18.0 Base MFLOPS 10.7 68.7 -.- 62.4 22.2 -.- 50.3 Base % Peak 5.4 34.4 -.- 31.2 11.1 -.- 25.2 Opt Sec 47.2 26.8 -.- 8.8 74.7 -.- 18.0 Opt MFLOPS 10.7 68.7 -.- 62.4 22.2 -.- 50.3 Opt % Peak 5.4 34.4 -.- 31.2 11.1 -.- 25.2 Cray XMP/416 941.0 Base Sec 34.1 10.0 31.8 2.8 66.1 61.6 10.9 Base MFLOPS 14.8 183.8 130.7 194.0 25.1 30.1 83.0 Base % Peak 1.6 19.5 13.9 20.6 2.7 3.2 8.8 Opt Sec 8.2 7.0 13.4 2.5 12.1 8.4 5.8 Opt MFLOPS 61.1 261.7 310.9 218.7 136.7 220.0 156.4 Opt % Peak 6.5 27.8 33.0 23.2 14.5 23.4 16.6 Cray YMP/832 2666.0 Base Sec 27.0 4.1 17.8 1.7 46.7 36.0 7.5 Base MFLOPS 18.7 448.2 233.1 328.7 35.5 51.5 121.5 Base % Peak 0.7 16.8 8.7 12.3 1.3 1.9 4.6 Opt Sec 5.6 2.7 5.2 1.6 6.0 3.4 3.1 Opt MFLOPS 90.6 682.3 792.6 347.4 275.4 543.3 288.4 Opt % Peak 3.4 25.6 29.7 13.0 10.3 20.4 10.8 Cray 2S/4128 1952.0 Base Sec 38.4 18.4 71.0 8.9 73.2 105.9 11.1 Base MFLOPS 13.1 100.3 58.5 61.7 22.7 17.5 81.3 Base % Peak 0.7 5.1 3.0 3.2 1.2 0.9 4.2 Opt Sec 26.1 15.6 71.0 7.3 21.0 66.6 10.8 Opt MFLOPS 19.3 118.5 58.5 75.6 78.8 27.8 83.5 Opt % Peak 1.0 6.1 3.0 3.9 4.0 1.4 4.2 Cyber 205 400.0 Base Sec 111.3 -.- 355.1 39.7 287.9 297.3 57.0 Base MFLOPS 4.5 -.- 11.7 13.8 5.8 6.2 15.9 Base % Peak 1.1 -.- 2.9 3.5 1.5 1.6 4.0 Opt Sec 111.3 -.- 355.1 15.0 84.3 297.3 57.0 Opt MFLOPS 4.5 -.- 11.7 36.7 19.7 6.2 15.9 Opt % Peak 1.1 -.- 2.9 9.2 4.9 1.6 4.0 ETA 10E 380.0 Base Sec -.- -.- 187.3 13.2 -.- 284.5 -.- Base MFLOPS -.- -.- 22.2 41.6 -.- 6.5 -.- Base % Peak -.- -.- 5.8 10.9 -.- 1.7 -.- Opt Sec -.- -.- 124.8 13.0 -.- 258.2 -.- Opt MFLOPS -.- -.- 33.3 42.3 -.- 7.2 -.- Opt % Peak -.- -.- 8.8 11.1 -.- 1.9 -.- ETA 10G 570.0 Base Sec 68.6 -.- 124.8 8.8 172.0 189.6 15.5 Base MFLOPS 7.3 -.- 33.3 62.2 9.6 9.8 58.4 Base % Peak 1.3 -.- 5.8 10.9 1.7 1.7 10.2 Opt Sec 68.6 -.- 83.1 8.7 172.0 171.7 15.5 Opt MFLOPS 7.3 -.- 50.0 63.2 9.6 10.8 58.4 Opt % Peak 1.3 -.- 8.8 11.1 1.7 1.9 10.2 ETA 10Q 210.0 Base Sec -.- -.- 320.7 23.9 -.- 514.6 -.- Base MFLOPS -.- -.- 13.0 23.0 -.- 3.6 -.- Base % Peak -.- -.- 6.2 11.0 -.- 1.7 -.- Opt Sec -.- -.- 214.3 23.5 -.- 493.0 -.- Opt MFLOPS -.- -.- 19.4 23.4 -.- 3.8 -.- Opt % Peak -.- -.- 9.2 11.1 -.- 1.8 -.- Fujitsu VP100 285.7 (32-bit) Base Sec 62.8 20.9 -.- 8.8 226.2 98.2 19.5 Base MFLOPS 8.0 88.1 -.- 62.4 7.3 18.9 46.4 Base % Peak 2.8 30.8 -.- 21.8 2.6 6.6 16.2 Opt Sec 62.8 20.9 -.- 8.8 226.2 98.2 19.5 Opt MFLOPS 8.0 88.1 -.- 62.4 7.3 18.9 46.4 Opt % Peak 2.8 30.8 -.- 21.8 2.6 6.6 16.2 HitachiS820/80 3000.0 (32-bit) Base Sec 22.6 3.7 -.- 2.4 -.- 48.9 7.3 Base MFLOPS 22.3 499.2 -.- 229.7 -.- 37.9 123.5 Base % Peak 0.7 16.6 -.- 7.7 -.- 1.3 4.1 Opt Sec 22.6 3.7 -.- 2.4 -.- 48.9 7.3 Opt MFLOPS 22.3 499.2 -.- 229.7 -.- 37.9 123.5 Opt % Peak 0.7 16.6 -.- 7.7 -.- 1.3 4.1 NEC SX/2 1300.0 (32-bit) Base Sec 31.4 -.- 58.2 3.1 97.8 45.0 5.3 Base MFLOPS 16.1 -.- 71.4 177.1 16.9 41.2 170.2 Base % Peak 1.2 -.- 5.5 13.6 1.3 3.2 13.1 Opt Sec 31.4 -.- 32.1 3.1 97.8 35.2 5.3 Opt MFLOPS 16.1 -.- 129.5 177.1 16.9 52.7 170.2 Opt % Peak 1.2 -.- 10.0 13.6 1.3 4.1 13.1 INTEL iPSC/1 4.0 (32-bit) Base Sec -.- -.- -.- -.- -.- -.- -.- Base MFLOPS -.- -.- -.- -.- -.- -.- -.- Base % Peak -.- -.- -.- -.- -.- -.- -.- Opt Sec -.- -.- -.- -.- -.- -.- -.- Opt MFLOPS -.- -.- -.- -.- -.- -.- -.- Opt % Peak -.- -.- -.- -.- -.- -.- -.- Mark III 12.8 (32-bit) Base Sec -.- -.- -.- -.- -.- -.- -.- Base MFLOPS -.- -.- -.- -.- -.- -.- -.- Base % Peak -.- -.- -.- -.- -.- -.- -.- Opt Sec -.- -.- -.- -.- -.- -.- -.- Opt MFLOPS -.- -.- -.- -.- -.- -.- -.- Opt % Peak -.- -.- -.- -.- -.- -.- -.- NCUBE NCUBE/10 205.0 (32-bit) Base Sec -.- -.- -.- -.- -.- -.- -.- Base MFLOPS -.- -.- -.- -.- -.- -.- -.- Base % Peak -.- -.- -.- -.- -.- -.- -.- Opt Sec -.- -.- -.- -.- -.- -.- -.- Opt MFLOPS -.- -.- -.- -.- -.- -.- -.- Opt % Peak -.- -.- -.- -.- -.- -.- -.- ALLIANT FX/8 94.4 (32-bit) Base Sec 493.4 -.- 743.5 113.6 2068.0 1310.3 195.2 Base MFLOPS 1.0 -.- 5.6 4.8 0.8 1.4 4.6 Base % Peak 1.1 -.- 5.9 5.1 0.8 1.5 4.9 Opt Sec 493.4 -.- 642.0 89.5 2068.0 194.8 195.2 Opt MFLOPS 1.0 -.- 6.5 6.1 0.8 9.5 4.6 Opt % Peak 1.1 -.- 6.9 6.5 0.8 10.1 4.9 ALLIANT FX/80 188.8 (32-bit) Base Sec 353.1 228.5 538.3 84.4 1582.0 975.4 116.5 Base MFLOPS 1.4 8.1 7.7 6.5 1.0 1.9 7.8 Base % Peak 0.7 4.3 4.1 3.4 0.5 1.0 4.1 Opt Sec 353.1 228.5 538.3 64.5 1582.0 189.6 116.5 Opt MFLOPS 1.4 8.1 7.7 8.5 1.0 9.8 7.8 Opt % Peak 0.7 4.3 4.1 4.5 0.5 5.2 4.1 ARDENT Titan 2 16.0 (32-bit) Base Sec 333.9 -.- -.- 108.7 -.- 915.6 639.4 Base MFLOPS 1.5 -.- -.- 5.1 -.- 2.0 1.4 Base % Peak 10.0 -.- -.- 31.9 -.- 12.5 8.8 Opt Sec 333.9 -.- -.- 108.7 -.- 915.6 639.4 Opt MFLOPS 1.5 -.- -.- 5.1 -.- 2.0 1.4 Opt % Peak 10.0 -.- -.- 31.9 -.- 12.5 8.8 CONVEX C220 100.0 (32-bit) Base Sec 126.8 -.- 430.8 44.6 501.3 953.2 72.2 Base MFLOPS 4.0 -.- 9.6 12.3 3.3 1.9 12.5 Base % Peak 4.0 -.- 9.6 12.3 3.3 1.9 12.5 Opt Sec 126.8 -.- 430.8 44.6 501.3 953.2 72.2 Opt MFLOPS 4.0 -.- 9.6 12.3 3.3 1.9 12.5 Opt % Peak 4.0 -.- 9.6 12.3 3.3 1.9 12.5 STARDENT 3010 48.0 (32-bit) Base Sec 96.0 184.0 -.- 78.0 510.0 482.0 124.0 Base MFLOPS 5.2 10.0 -.- 7.0 3.3 3.8 7.3 Base % Peak 10.8 20.8 -.- 14.6 6.9 7.9 15.2 Opt Sec 96.0 184.0 -.- 78.0 510.0 482.0 124.0 Opt MFLOPS 5.2 10.0 -.- 7.0 3.3 3.8 7.3 Opt % Peak 10.8 20.8 -.- 14.6 6.9 7.9 15.2 DEC 6000-410S 3.25(32-bit) Base Sec 324.0 2495.0 2794.0 339.0 1268.0 1283.0 718.0 Base MFLOPS 1.6 0.7 1.5 1.6 1.3 1.4 1.3 Base % Peak 49.2 21.5 46.2 49.2 40.0 43.1 40.0 Opt Sec 324.0 2495.0 2794.0 339.0 1268.0 1283.0 718.0 Opt MFLOPS 1.6 0.7 1.5 1.6 1.3 1.4 1.3 Opt % Peak 49.2 21.5 46.2 49.2 40.0 43.1 40.0 ENCORE Multimax 0.4 (32-bit) Base Sec 4231.2 -.- 35395.2 4540.5 23172.7 13584.0 8151.4 Base MFLOPS 0.1 -.- 0.1 0.1 0.1 0.1 0.1 Base % Peak 25.0 -.- 25.0 25.0 25.0 25.0 25.0 Opt Sec 3345.4 -.- 35395.2 3874.0 14650.1 13584.0 8151.4 Opt MFLOPS 0.2 -.- 0.1 0.1 0.1 0.1 0.1 Opt % Peak 50.0 -.- 25.0 25.0 25.0 25.0 25.0 VAX 11/780 1.25(32-bit) Base Sec 2121.0 56530.0 14097.0 2063.0 8337.0 8242.0 5339.0 Base MFLOPS 0.2 0.0 0.3 0.3 0.2 0.2 0.2 Base % Peak 16.0 0.0 24.0 24.0 16.0 16.0 16.0 Opt Sec 2121.0 56530.0 14097.0 2063.0 8337.0 8242.0 5339.0 Opt MFLOPS 0.2 0.0 0.3 0.3 0.2 0.2 0.2 Opt % Peak 16.0 0.0 24.0 24.0 16.0 16.0 16.0 APOLLO DSP10040 40.0 (32-bit) Base Sec 143.7 877.3 -.- 216.2 -.- -.- 247.1 Base MFLOPS 3.5 2.1 -.- 2.5 -.- -.- 3.7 Base % Peak 8.8 5.3 -.- 6.3 -.- -.- 9.3 Opt Sec 143.7 877.3 -.- 216.2 -.- -.- 247.1 Opt MFLOPS 3.5 2.1 -.- 2.5 -.- -.- 3.7 Opt % Peak 8.8 5.3 -.- 6.3 -.- -.- 9.3 DEC 3100 2.0 (32-bit) Base Sec 378.7 -.- 1773.9 457.9 -.- -.- 577.8 Base MFLOPS 1.3 -.- 2.3 1.2 -.- -.- 1.6 Base % Peak 65.0 -.- 115.0 60.0 -.- -.- 80.0 Opt Sec 257.1 -.- 1773.9 260.3 -.- -.- 577.8 Opt MFLOPS 2.0 -.- 2.3 2.1 -.- -.- 1.6 Opt % Peak 100.0 -.- 115.0 105.0 -.- -.- 80.0 MIPS M/120 8.3 (32-bit) Base Sec 439.4 -.- -.- 209.7 -.- -.- 515.5 Base MFLOPS 1.1 -.- -.- 2.6 -.- -.- 1.8 Base % Peak 13.3 -.- -.- 31.3 -.- -.- 21.7 Opt Sec 439.4 -.- -.- 209.7 -.- -.- 515.5 Opt MFLOPS 1.1 -.- -.- 2.6 -.- -.- 1.8 Opt % Peak 13.3 -.- -.- 31.3 -.- -.- 21.7 MIPS RS2030 8.35(32-bit) Base Sec 475.5 -.- -.- 244.7 992.7 1877.3 575.6 Base MFLOPS 1.1 -.- -.- 2.2 1.7 1.0 1.6 Base % Peak 13.2 -.- -.- 26.3 20.4 12.0 19.2 Opt Sec 475.5 -.- -.- 244.7 992.7 1877.3 575.6 Opt MFLOPS 1.1 -.- -.- 2.2 1.7 1.0 1.6 Opt % Peak 13.2 -.- -.- 26.3 20.4 12.0 19.2 SUN SPARC 1 5.5 (32-bit) Base Sec 601.4 -.- 3474.6 540.7 -.- -.- 822.9 Base MFLOPS 0.8 -.- 1.2 1.0 -.- -.- 1.1 Base % Peak 14.5 -.- 21.8 18.2 -.- -.- 20.0 Opt Sec 341.9 -.- 2633.0 354.5 -.- -.- 822.9 Opt MFLOPS 1.5 -.- 1.6 1.5 -.- -.- 1.1 Opt % Peak 27.3 -.- 29.1 27.3 -.- -.- 20.0 SUN SPARC 330 7.0 (32-bit) Base Sec 442.8 -.- 2598.9 419.5 -.- -.- 584.7 Base MFLOPS 1.1 -.- 1.6 1.3 -.- -.- 1.5 Base % Peak 15.7 -.- 22.9 18.6 -.- -.- 21.4 Opt Sec 260.8 -.- 1865.5 183.3 -.- -.- 584.7 Opt MFLOPS 1.9 -.- 2.2 1.9 -.- -.- 1.5 Opt % Peak 27.1 -.- 31.4 27.1 -.- -.- 21.4 SUN 3/280 0.25(32-bit) Base Sec 4435.0 -.- 30119.9 4537.5 -.- -.- 6269.8 Base MFLOPS 0.1 -.- 0.1 0.1 -.- -.- 0.1 Base % Peak 40.0 -.- 40.0 40.0 -.- -.- 40.0 Opt Sec 3152.8 -.- 30119.9 4268.5 -.- -.- 6269.8 Opt MFLOPS 0.2 -.- 0.1 0.1 -.- -.- 0.1 Opt % Peak 80.0 -.- 40.0 40.0 -.- -.- 40.0 Machine MDG QCD TRFD DYFESM SPICE MG3D TRACK Total _______________________________________________________________________________ Cray XMP/14SE Base Sec 452.2 40.9 17.4 19.5 -.- -.- 17.7 547.7 Base MFLOPS 7.6 6.3 24.8 28.3 -.- -.- 4.6 18.7 Base % Peak 3.8 3.2 12.4 14.2 -.- -.- 2.3 9.3 Opt Sec 452.2 40.9 17.4 19.5 -.- -.- 17.7 547.5 Opt MFLOPS 7.6 6.3 24.8 28.3 -.- -.- 4.6 18.7 Opt % Peak 3.8 3.2 12.4 14.2 -.- -.- 2.3 9.3 Cray XMP/416 Base Sec 256.7 25.7 9.6 13.4 11.9 522.5 12.7 1069.8 Base MFLOPS 13.4 10.1 44.8 41.1 3.9 21.2 6.5 25.6 Base % Peak 1.4 1.1 4.8 4.4 0.4 2.3 0.7 2.7 Opt Sec 17.5 3.2 2.1 2.9 3.2 24.4 3.3 114.0 Opt MFLOPS 195.9 81.4 206.2 191.7 14.7 453.3 24.7 240.0 Opt % Peak 20.8 8.7 21.9 20.4 1.6 48.2 2.6 25.5 Cray YMP/832 Base Sec 207.2 20.7 7.6 9.3 8.2 407.9 10.3 812.0 Base MFLOPS 16.6 12.6 56.4 59.4 5.7 27.1 7.9 33.7 Base % Peak 0.6 0.5 2.1 2.2 0.2 1.0 0.3 1.3 Opt Sec 5.8 1.0 1.0 1.9 2.5 9.7 2.1 51.6 Opt MFLOPS 594.9 249.6 444.2 295.2 18.9 1146.2 38.7 530.2 Opt % Peak 22.3 9.4 16.7 11.1 0.7 43.0 1.5 19.9 Cray 2S/4128 Base Sec 244.6 32.8 16.7 17.3 12.1 569.2 16.0 1235.6 Base MFLOPS 14.0 7.9 25.8 32.0 3.9 19.4 5.1 22.1 Base % Peak 0.7 0.4 1.3 1.6 0.2 1.0 0.3 1.1 Opt Sec 120.6 16.5 8.3 7.4 7.0 74.0 15.0 467.2 Opt MFLOPS 28.5 15.8 52.2 74.3 6.7 149.5 5.4 58.6 Opt % Peak 1.5 0.8 2.7 3.8 0.3 7.7 0.3 3.0 Cyber 205 Base Sec 950.6 69.3 49.1 44.2 36.6 1312.2 39.9 3650.2 Base MFLOPS 3.6 3.7 8.8 12.5 1.3 8.4 2.0 7.0 Base % Peak 0.9 0.9 2.2 3.1 0.3 2.1 0.5 1.7 Opt Sec 950.6 69.3 49.1 44.2 36.6 1312.2 39.9 3421.9 Opt MFLOPS 3.6 3.7 8.8 12.5 1.3 8.4 2.0 7.5 Opt % Peak 0.9 0.9 2.2 3.1 0.3 2.1 0.5 1.9 ETA 10E Base Sec -.- -.- -.- 23.0 -.- -.- -.- 508.0 Base MFLOPS -.- -.- -.- 24.0 -.- -.- -.- 14.0 Base % Peak -.- -.- -.- 6.3 -.- -.- -.- 3.7 Opt Sec -.- -.- -.- 12.9 -.- -.- -.- 408.9 Opt MFLOPS -.- -.- -.- 42.9 -.- -.- -.- 17.4 Opt % Peak -.- -.- -.- 11.3 -.- -.- -.- 4.6 ETA 10G Base Sec 572.6 48.4 17.5 15.4 22.4 1700.8 22.1 2978.5 Base MFLOPS 6.0 5.4 24.7 36.0 2.1 6.5 3.7 8.6 Base % Peak 1.1 0.9 4.3 6.3 0.4 1.1 0.6 1.5 Opt Sec 572.6 48.4 17.5 8.5 22.4 1700.8 22.1 2911.9 Opt MFLOPS 6.0 5.4 24.7 64.6 2.1 6.5 3.7 8.8 Opt % Peak 1.1 0.9 4.3 6.3 0.4 1.1 0.6 1.5 ETA 10Q Base Sec -.- -.- -.- 41.7 -.- -.- -.- 900.0 Base MFLOPS -.- -.- -.- 13.3 -.- -.- -.- 7.9 Base % Peak -.- -.- -.- 6.3 -.- -.- -.- 3.8 Opt Sec -.- -.- -.- 23.3 -.- -.- -.- 754.1 Opt MFLOPS -.- -.- -.- 23.7 -.- -.- -.- 9.4 Opt % Peak -.- -.- -.- 11.3 -.- -.- -.- 4.5 Fujitsu VP100 Base Sec 473.3 56.5 14.4 17.2 15.9 641.3 20.1 1675.1 Base MFLOPS 7.3 4.6 29.9 32.1 2.9 17.2 4.1 13.8 Base % Peak 2.6 1.6 10.5 11.2 1.0 6.0 1.4 4.8 Opt Sec 473.3 56.5 14.4 17.2 15.9 641.3 20.1 1675.1 Opt MFLOPS 7.3 4.6 29.9 32.1 2.9 17.2 4.1 4.8 Opt % Peak 2.6 1.6 10.5 11.2 1.0 6.0 1.4 4.8 HitachiS820/80 Base Sec 225.9 28.0 -.- 7.9 8.2 -.- 11.0 365.9 Base MFLOPS 15.2 9.3 -.- 69.8 5.7 -.- 7.4 27.4 Base % Peak 0.5 0.3 -.- 2.3 0.2 -.- 0.2 0.9 Opt Sec 225.9 28.0 -.- 7.9 8.2 -.- 11.0 365.9 Opt MFLOPS 15.2 9.3 -.- 69.8 5.7 -.- 7.4 27.4 Opt % Peak 0.5 0.3 -.- 2.3 0.2 -.- 0.2 0.9 NEC SX/2 Base Sec 243.3 27.0 7.4 8.3 10.0 315.7 13.2 865.7 Base MFLOPS 14.1 9.6 57.9 66.6 4.7 35.0 6.2 29.5 Base % Peak 1.1 0.7 4.5 5.1 0.4 2.7 0.5 2.3 Opt Sec 24.8 27.0 7.4 8.0 10.0 315.7 13.2 611.0 Opt MFLOPS 138.6 9.6 57.9 69.3 4.7 35.0 6.2 41.8 Opt % Peak 10.7 0.7 4.5 5.3 0.4 2.7 0.5 3.2 INTEL iPSC/1 Base Sec 23049.9 353.8 -.- -.- -.- -.- -.- 23403.7 Base MFLOPS 0.1 0.7 -.- -.- -.- -.- -.- 0.2 Base % Peak 2.5 17.5 -.- -.- -.- -.- -.- 4.0 Opt Sec 2386.0 102.5 -.- -.- -.- -.- -.- 2488.5 Opt MFLOPS 1.4 2.5 -.- -.- -.- -.- -.- 1.5 Opt % Peak 35.0 62.5 -.- -.- -.- -.- -.- 37.2 Mark III Base Sec 25520.0 66.8 -.- -.- -.- -.- -.- 25586.8 Base MFLOPS 0.1 3.9 -.- -.- -.- -.- -.- 0.1 Base % Peak 0.8 30.5 -.- -.- -.- -.- -.- 1.1 Opt Sec 1094.2 40.9 -.- -.- -.- -.- -.- 1135.1 Opt MFLOPS 3.1 6.3 -.- -.- -.- -.- -.- 3.3 Opt % Peak 24.2 49.2 -.- -.- -.- -.- -.- 25.5 NCUBE NCUBE/10 Base Sec 40125.9 90.1 -.- -.- -.- -.- -.- 40216.0 Base MFLOPS 0.1 2.9 -.- -.- -.- -.- -.- 0.1 Base % Peak 0.1 1.4 -.- -.- -.- -.- -.- 0.0 Opt Sec 369.6 8.3 -.- -.- -.- -.- -.- 377.9 Opt MFLOPS 9.3 31.3 -.- -.- -.- -.- -.- 9.8 Opt % Peak 4.5 15.3 -.- -.- -.- -.- -.- 4.8 ALLIANT FX/8 Base Sec 2972.1 356.6 298.2 237.7 97.3 11651.6 141.5 20679.0 Base MFLOPS 1.2 0.7 1.4 2.3 0.5 0.9 0.6 1.2 Base % Peak 1.3 0.7 1.5 2.4 0.5 1.0 0.6 1.3 Opt Sec 618.2 119.9 298.2 95.7 23.9 11651.6 118.1 16608.5 Opt MFLOPS 5.5 2.2 1.4 5.8 2.0 0.9 0.7 1.5 Opt % Peak 5.8 2.3 1.5 6.1 2.1 1.0 0.7 1.6 ALLIANT FX/80 Base Sec 2118.6 238.1 264.1 199.1 67.7 8586.1 89.5 15441.4 Base MFLOPS 1.6 1.1 1.6 2.8 0.7 1.3 0.9 1.8 Base % Peak 0.8 0.6 0.8 1.5 0.4 0.7 0.5 0.9 Opt Sec 500.7 86.4 264.1 89.9 17.8 8586.1 84.2 12701.7 Opt MFLOPS 6.9 3.0 1.6 6.1 2.6 1.3 1.0 2.2 Opt % Peak 3.7 1.6 0.8 3.2 1.4 0.7 0.5 1.1 ARDENT Titan 2 Base Sec 4505.0 261.5 137.2 364.3 -.- -.- -.- 7265.6 Base MFLOPS 0.8 1.0 3.1 1.5 -.- -.- -.- 1.2 Base % Peak 5.0 6.3 19.4 9.4 -.- -.- -.- 7.3 Opt Sec 4505.0 261.5 137.2 364.3 -.- -.- -.- 7265.6 Opt MFLOPS 0.8 1.0 3.1 1.5 -.- -.- -.- 1.2 Opt % Peak 5.0 6.3 19.4 9.4 -.- -.- -.- 7.3 CONVEX C220 Base Sec 1357.7 136.5 77.6 185.5 31.5 4519.8 47.3 8484.8 Base MFLOPS 2.5 1.9 5.6 3.0 1.5 2.4 1.7 3.0 Base % Peak 2.5 1.9 5.6 3.0 1.5 2.4 1.7 3.0 Opt Sec 1357.7 136.5 77.6 185.5 31.5 4519.8 47.3 8484.8 Opt MFLOPS 2.5 1.9 5.6 3.0 1.5 2.4 1.7 3.0 Opt % Peak 2.5 1.9 5.6 3.0 1.5 2.4 1.7 3.0 STARDENT 3010 Base Sec 768.0 70.0 94.0 64.0 24.0 1235.7 32.0 3761.7 Base MFLOPS 4.5 3.7 4.6 8.6 1.9 9.0 2.6 6.2 Base % Peak 9.4 7.7 9.6 17.9 4.0 18.8 5.4 12.8 Opt Sec 768.0 70.0 94.0 64.0 24.0 1235.7 32.0 3761.7 Opt MFLOPS 4.5 3.7 4.6 8.6 1.9 9.0 2.6 6.2 Opt % Peak 9.4 7.7 9.6 17.9 4.0 18.8 5.4 12.8 DEC 600-410S Base Sec 2554.0 184.0 309.0 160.0 61.0 10646.0 85.0 23220.0 Base MFLOPS 1.3 1.4 1.4 3.5 0.8 1.0 1.0 1.2 Base % Peak 40.0 43.1 43.1 107.7 24.6 30.8 30.8 36.2 Opt Sec 2554.0 184.0 309.0 160.0 61.0 10646.0 85.0 23220.0 Opt MFLOPS 1.3 1.4 1.4 3.5 0.8 1.0 1.0 1.2 Opt % Peak 40.0 43.1 43.1 107.7 24.6 30.8 30.8 36.2 ENCORE Multimax Base Sec 25615.9 2134.0 3426.5 -.- 464.5 -.- 681.4 121397.3 Base MFLOPS 0.1 0.1 0.1 -.- 0.1 -.- 0.1 0.1 Base % Peak 25.0 25.0 25.0 -.- 25.0 -.- 25.0 28.6 Opt Sec 25615.9 1761.2 3384.9 -.- 464.5 -.- 681.4 110908.0 Opt MFLOPS 0.1 0.1 0.1 -.- 0.1 -.- 0.1 0.1 Opt % Peak 25.0 25.0 25.0 -.- 25.0 -.- 25.0 31.3 VAX 11/780 Base Sec 20349.0 1124.0 2906.0 1100.0 423.0 65228.0 605.0 188464.0 Base MFLOPS 0.2 0.2 0.1 0.5 0.1 0.2 0.1 0.1 Base % Peak 16.0 16.0 8.0 40.0 8.0 16.0 8.0 11.6 Opt Sec 20349.0 1124.0 2906.0 1100.0 423.0 65228.0 605.0 188464.0 Opt MFLOPS 0.2 0.2 0.1 0.5 0.1 0.2 0.1 0.1 Opt % Peak 16.0 16.0 8.0 40.0 8.0 16.0 8.0 11.6 APOLLO DSP10040 Base Sec 994.8 88.6 233.9 136.8 -.- 3555.9 -.- 6494.3 Base MFLOPS 3.5 2.9 1.8 4.0 -.- 3.1 -.- 3.0 Base % Peak 8.8 7.3 4.5 10.0 -.- 7.8 -.- 7.5 Opt Sec 994.8 88.6 233.9 136.8 -.- 3555.9 -.- 6494.3 Opt MFLOPS 3.5 2.9 1.8 4.0 -.- 3.1 -.- 3.0 Opt % Peak 8.8 7.3 4.5 10.0 -.- 7.8 -.- 7.5 DEC 3100 Base Sec 2059.4 -.- -.- 195.6 -.- -.- -.- 5443.3 Base MFLOPS 1.7 -.- -.- 2.8 -.- -.- -.- 1.9 Base % Peak 85.0 -.- -.- 140.0 -.- -.- -.- 92.8 Opt Sec 2059.4 -.- -.- 125.8 -.- -.- -.- 5054.3 Opt MFLOPS 1.7 -.- -.- 4.4 -.- -.- -.- 2.0 Opt % Peak 85.0 -.- -.- 220.0 -.- -.- -.- 100.0 MIPS M/120 Base Sec 1667.1 106.7 338.1 106.4 54.9 -.- -.- 3437.8 Base MFLOPS 2.1 2.4 1.3 5.2 0.9 -.- -.- 1.9 Base % Peak 25.3 28.9 15.7 62.7 10.8 -.- -.- 23.4 Opt Sec 1667.1 106.7 338.1 106.4 54.9 -.- -.- 3437.8 Opt MFLOPS 2.1 2.4 1.3 5.2 0.9 -.- -.- 1.9 Opt % Peak 25.3 28.9 15.7 62.7 10.8 -.- -.- 23.4 MIPS RS2030 Base Sec 1738.5 109.2 351.3 112.7 67.3 5167.9 21.8 11734.5 Base MFLOPS 2.0 2.4 1.2 4.9 0.7 2.1 3.7 1.8 Base % Peak 24.0 28.7 14.4 58.7 8.4 25.1 44.2 21.8 Opt Sec 1738.5 109.2 351.3 112.7 67.3 5167.9 21.8 11734.5 Opt MFLOPS 2.0 2.4 1.2 4.9 0.7 2.1 3.7 1.8 Opt % Peak 24.0 28.7 14.4 58.7 8.4 25.1 44.2 21.8 SUN SPARC 1 Base Sec 3243.0 138.3 353.7 224.3 66.5 -.- -.- 9465.4 Base MFLOPS 1.1 1.9 1.2 2.5 0.7 -.- -.- 1.1 Base % Peak 20.0 34.5 21.8 45.5 12.7 -.- -.- 20.8 Opt Sec 3243.0 138.3 353.7 224.3 66.5 -.- -.- 8178.1 Opt MFLOPS 1.1 1.9 1.2 2.5 0.7 -.- -.- 1.3 Opt % Peak 20.0 34.5 21.8 45.5 12.7 -.- -.- 24.1 SUN SPARC 330 Base Sec 2377.3 110.0 240.0 151.6 48.1 -.- -.- 6756.9 Base MFLOPS 1.4 2.4 1.8 3.6 1.0 -.- -.- 1.6 Base % Peak 20.0 34.3 25.7 51.4 14.3 -.- -.- 22.9 Opt Sec 2377.3 110.0 240.0 141.9 48.1 -.- -.- 5811.6 Opt MFLOPS 1.4 2.4 1.8 3.9 1.0 -.- -.- 1.9 Opt % Peak 20.0 34.3 25.7 55.7 14.3 -.- -.- 26.7 SUN 3/280 Base Sec 19155.0 1515.9 3907.8 2026.5 378.3 -.- -.- 72344.8 Base MFLOPS 0.2 0.2 0.1 0.3 0.1 -.- -.- 0.1 Base % Peak 80.0 80.0 40.0 120.0 40.0 -.- -.- 60.0 Opt Sec 19155.0 1515.9 3907.8 1864.0 378.3 -.- -.- 70632.0 Opt MFLOPS 0.2 0.2 0.1 0.3 0.1 -.- -.- 0.2 Opt % Peak 80.0 80.0 40.0 120.0 40.0 -.- -.- 61.4