Performance Information

                    L M B E N C H 1 . 0 S U M M A R Y
                    ------------------------------------

            Processor, Processes - times in microseconds
            --------------------------------------------
Host OS Mhz Null Null Simple /bin/sh Mmap 2-proc 8-proc
                             Syscall Process Process Process lat ctxsw ctxsw
--------- ------------- ---- ------- ------- ------- ------- ---- ------ ------
rs6000 AIX 2 62 23 2.0K 7.3K 23K 3817 20 32
seahorse HP-UX A.09.03 99 14 3.6K 10.1K 18K 116 25 29
snake HP-UX A.09.01 66 21 2.6K 5.7K 17K 156 47 55
IP22 IRIX 5.3 198 11 3.1K 8.0K 19K 260 40 38
pentium Linux 1.1.54 91 3 3.3K 15.4K 49K 33 66 94
alpha OSF1 V2.1 182 13 4.8K 16.1K 43K 172 25 42
ss20.50 SunOS 5.4 50 9 10.7K 57.5K 113K 130 54 85
ss20.61 SunOS 5.4 61 7 8.0K 45.8K 87K 104 37 52

            *Local* Communication latencies in microseconds
            -----------------------------------------------
Host OS Pipe UDP RPC/ TCP RPC/
                                            UDP TCP
--------- ------------- ------- ------- ------- ------- -------
rs6000 AIX 2 143 385 820 498 1054
seahorse HP-UX A.09.03 193 244 832 262 812
snake HP-UX A.09.01 296 403 1195 367 1142
IP22 IRIX 5.3 131 313 671 278 641
pentium Linux 1.1.54 157 658 1030 1164 1591
alpha OSF1 V2.1 185 404 718 428 851
ss20.50 SunOS 5.4 194 590 935 560 1196
ss20.61 SunOS 5.4 150 414 622 335 784

            *Local* Communication bandwidths in megabytes/second
            ----------------------------------------------------
Host OS Pipe TCP File Mmap Bcopy Bcopy Mem Mem
                                  reread reread (libc) (hand) read write
--------- ------------- ---- ---- ------ ------ ------ ------ ---- -----
rs6000 AIX 2 34 6.0 76.1 63.0 81 120 99 169
seahorse HP-UX A.09.03 38 35.2 44.7 32.1 25 31 49 52
snake HP-UX A.09.01 19 17.8 34.4 22.3 22 24 45 39
IP22 IRIX 5.3 34 22.1 32.3 43.7 32 31 69 66
pentium Linux 1.1.54 13 2.4 9.8 4.7 18 18 48 32
alpha OSF1 V2.1 32 12.1 39.4 22.7 39 41 76 78
ss20.50 SunOS 5.4 11 11.0 22.9 30.0 26 31 80 62
ss20.61 SunOS 5.4 24 19.5 31.0 30.7 23 24 59 40

            Memory latencies in nanoseconds
            (WARNING - may not be correct, check graphs)
            --------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem TLB Guesses
--------- ------------- --- ---- ---- -------- --- -------
rs6000 AIX 2 61 15 229 247 776 No L2 cache?
seahorse HP-UX A.09.03 98 10 10 393 481 No L1 cache?
snake HP-UX A.09.01 65 15 15 378 1051 No L1 cache?
IP22 IRIX 5.3 197 10 76 1018 1129
pentium Linux 1.1.54 90 11 294 439 1254
alpha OSF1 V2.1 182 10 56 321 452
ss20.50 SunOS 5.4 49 20 284 291 575 No L2 cache?
ss20.61 SunOS 5.4 60 16 115 816 961

--
---
Larry McVoy			(415) 390-1804			 lm@sgi.com
-- 
jeske_at_uiuc.edu    + David Jeske(N9LCA)<A HREF="http://www.cen.uiuc.edu/~jeske/">
NeXTMail accepted + CompEng Student/NeXT Programmer/Call Gtalk at (708)998-0008
    User of Linux/NEXT/DOS/WIN/OS.2/VSTa (all coexisting on one system) </A>