L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- ALPHA OSF1 V5.1 alphaev67-dec-osf5.1 667 Altix Linux 2.4.21- ia64-linux 1499 IBM SP3 AIX 3 powerpc-ibm-aix4.3.3.0 375 IBM SP4 AIX 1 powerpc-ibm-aix5.1.0.0 1300 Cray XD1 Linux 2.4.21_ x86_64-linux-gnu 2200 Processor, Processes - times in microseconds - smaller is better ---------------------------------------------------------------- Host OS Mhz null null open selct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ALPHA OSF1 V5.1 667 0.33 1.14 67.3 503. 16.5 0.81 3.81 1065 3328 9785 Altix Linux 2.4.21- 1499 0.26 0.37 4.82 5.96 13.6 0.40 1.15 1021 1458 5438 IBM SP3 AIX 3 375 1.19 3.19 24.2 36.7 115.4 2.86 12.9 2023 3915 12.K IBM SP4 AIX 1 1300 1.00 2.29 14.3 16.1 58.6 2.22 8.27 500. 1242 5481 Cray XD1 Linux 2.4.21_ 2200 0.09 0.18 2.62 3.26 16.0 0.15 0.93 94.8 368. 25.K Context switching - times in microseconds - smaller is better ------------------------------------------------------------- Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw --------- ------------- ----- ------ ------ ------ ------ ------- ------- ALPHA OSF1 V5.1 8.850 9.5100 17.1 13.1 30.2 15.5 33.0 Altix Linux 2.4.21- 0.800 2.2100 5.7900 3.0500 9.1800 3.35000 9.43000 IBM SP3 AIX 3 13.2 12.3 28.0 21.4 37.6 34.8 IBM SP4 AIX 1 3.940 3.7800 3.4900 3.1000 3.0200 3.04000 2.99000 Cray XD1 Linux 2.4.21_ 2.440 2.4500 3.1100 3.9300 6.7600 3.91000 7.22000 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- ALPHA OSF1 V5.1 8.850 25.6 58.3 87.6 111.0 88.2 116.0 154. Altix Linux 2.4.21- 0.800 3.677 6.76 10.7 20.7 14.3 26.8 45.2 IBM SP3 AIX 3 55.8 70.5 112.6 158.8 111.9 158.3 221. IBM SP4 AIX 1 3.940 16.3 49.0 109.7 129.5 94.5 118.8 368. Cray XD1 Linux 2.4.21_ 2.440 6.734 13.2 14.5 18.8 18.7 25.2 29.3 File & VM system latencies in microseconds - smaller is better -------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page Create Delete Create Delete Latency Fault Fault --------- ------------- ------ ------ ------ ------ ------- ----- ----- ALPHA OSF1 V5.1 3300.3 3436.4 3448.3 3413.0 1470.0 2.453 900.0 Altix Linux 2.4.21- 202.2 228.3 245.7 229.3 175.0 0.487 3.00000 IBM SP3 AIX 3 10.8K 10.6K 10.5K 10.3K 1197.0 5.714 5562.0 IBM SP4 AIX 1 6802.7 6802.7 6802.7 6849.3 816.0 4.459 4148.0 Cray XD1 Linux 2.4.21_ 17.9 27.6 55.9 40.2 851.0 0.347 1.00000 *Local* Communication bandwidths in MB/s - bigger is better ----------------------------------------------------------- Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- ALPHA OSF1 V5.1 359. 220. 183. 489.2 1366.0 577.2 216.9 1570 463.5 Altix Linux 2.4.21- 3562 2424 1503 805.3 184.8 602.1 350.7 603. 585.4 IBM SP3 AIX 3 166. 80.3 196. 336.7 549.7 203.6 174.3 497. 229.0 IBM SP4 AIX 1 847. 297. 228. 1084.3 2149.8 1308.9 1319.6 1953 1167. Cray XD1 Linux 2.4.21_ 1175 882. 727. 1187.0 1904.3 944.7 920.4 1916 1343. Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- ALPHA OSF1 V5.1 667 4.513 27.1 206.8 Altix Linux 2.4.21- 1499 1.339 4.0160 139.8 IBM SP3 AIX 3 375 5.336 28.2 375.1 cheetah00 AIX 1 1300 2.309 9.8340 115.7 Cray XD1 Linux 2.4.21_ 2200 1.363 5.4590 101.1 make[1]: Leaving directory `/spin/home/dunigan/SP/LMbench/results'