Xref: utzoo comp.unix.aux:30 comp.unix.xenix:1831 Path: utzoo!mnetor!uunet!steinmetz!davidsen From: davidsen@steinmetz.steinmetz.ge.com (William E. Davidsen Jr) Newsgroups: comp.unix.aux,comp.unix.xenix Subject: Re: A/UX performance Message-ID: <10209@steinmetz.steinmetz.ge.com> Date: 1 Apr 88 19:22:41 GMT References: <1975@pasteur.Berkeley.Edu> Reply-To: davidsen@kbsvax.steinmetz.UUCP (William E. Davidsen Jr) Organization: General Electric CRD, Schenectady, NY Lines: 76 In article <1975@pasteur.Berkeley.Edu> nfong@cory.Berkeley.EDU (Norman Fong) writes: >Can someone comment on A/UX's performance? Is it comparable to say a >Sun 3/50's performance? Does Apple's current implementation utilize >most of a disk's bandwidth or will future scsi drivers improve performance? >Also does A/UX have 4.3BSD enhancements to the file system? (cylinder grps etc) > >nfong@cory.Berkeley.EDU.UUCP I posted this a few days ago, but no one seems to have gotten it at other sites, so here it comes again. If this appears twice at some sites, I apologize, it did not seem to get out. This is the output of tbl and troff, edited to take out the control sequences. You may have to print it to make it clear. At this time I can't supply the original benchmarks. Test Vax UNISYS386+387 Sun3/280S Mac II ______________________________________________________________________________________ test conditions cpu/speed | 11/780 | 80386:16 | 68020:25 | 68020:16 fp chip | FPU | 80387:16 | 68881/25 | 68881:16 memory (mb) | 8 | 1 | 16 | 5 disk type | dec | --- | --- | quantum80 rated seek (ms) | <20 | 20 | <20 | 28 O/S | Ultrix | Xenix/386 | SunOS 3 | A/UX ______________________________________________________________________________________ math speed (k ops/sec) short | 308.4 | 1193.6 | 1114.5 | 891.9 long | 503.1 | 1227.8 | 1787.9 | 905.6 float | 128.0 | 341.1 | 181.8 | 145.7 double | 181.5 | 279.1 | 180.2 | 138.4 ______________________________________________________________________________________ Compare and branch (k ops/sec) integer | 293.0 | 827.8 | 1666.7 | 646.6 float | 115.8 | 144.1 | 74.3 | 116.3 ______________________________________________________________________________________ Transcendental functions (k ops/sec) circle points | 537 | 1295 | 4615 | 1786 trig functions | 2550 | 4250 | 7650 | 7650 ______________________________________________________________________________________ Standard benchmarks Dhrystone | 1453 | 5319 | 7444 | 3226 Dhampstone | 1430 | 6207 | 8640 | 3661 ______________________________________________________________________________________ bit ops. (vals/sec) Turing machine | 48.0 | 160.1 | 212.3 | 113.6 BTG | 10084 | 68966 | 114286 | 54545 GTB | 2652 | 14085 | 27273 | 13953 Sieve | 801 | 3621 | 3650 | 2122 ______________________________________________________________________________________ Sort (sec) integer | 1.073| 0.413| 0.243| 0.510 float | 1.117| 0.760| 0.843| 1.567 ______________________________________________________________________________________ disk performance (kb) write | 20.4 | 117.0 | 687.7 | 41.9 read | 22.4 | 54.7 | 613.2 | 45.2 access (ms) | 123.5 | 6.6 | 34.9 | 17.1 ______________________________________________________________________________________ System performance (k/sec) xfer via pipes | 269.5 | 1066.7 | 614.4 | 558.5 funct call | 46.9 | 277.8 | 500.0 | 200.0 system call | 4.7 | 11.3 | 17.4 | 7.8 ______________________________________________________________________________________ Compilation speed 20 small real | 479.5 | 277.2 | 99.4 | 548.8 CPU | 144.5 | 100.9 | 45.0 | 142.6 3 large | | | | real | 646.8 | 90.6 | 31.4 | 170.2 CPU | 76.3 | 39.7 | 21.5 | 93.4 -- bill davidsen (wedu@ge-crd.arpa) {uunet | philabs | seismo}!steinmetz!crdos1!davidsen "Stupidity, like virtue, is its own reward" -me