L M B E N C H 3 . 0 S U M M A R Y ------------------------------------ (Alpha software, do not distribute) Basic system parameters ------------------------------------------------------------------------------ Host OS Description Mhz tlb cache mem scal pages line par load bytes --------- ------------- ----------------------- ---- ----- ----- ------ ---- admins-Co Darwin 7.3.0 powerpc-apple-darwin7.3 1330 129 64 1.8800 1 admins-Co Darwin 7.3.0 powerpc-apple-darwin7.3 1330 129 64 1.8900 1 admins-Co Darwin 7.3.0 powerpc-apple-darwin7.3 1330 129 64 1.9200 1 wonky Linux 2.6.6-r powerpc-linux-gnu 1331 64 64 1.9600 1 wonky Linux 2.6.6-r powerpc-linux-gnu 1331 64 64 1.9000 1 wonky Linux 2.6.6-r powerpc-linux-gnu 1331 64 64 1.9000 1 Processor, Processes - times in microseconds - smaller is better ------------------------------------------------------------------------------ Host OS Mhz null null open slct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- admins-Co Darwin 7.3.0 1330 1.00 1.73 5.86 8.18 16.5 2.08 7.27 964. 3170 6966 admins-Co Darwin 7.3.0 1330 1.01 1.73 5.93 8.25 16.4 2.10 7.31 970. 3169 6916 admins-Co Darwin 7.3.0 1330 1.01 1.72 5.93 8.17 16.4 2.08 7.31 970. 3185 6918 wonky Linux 2.6.6-r 1331 0.15 0.26 1.17 1.59 10.9 0.63 1.79 159. 719. 7776 wonky Linux 2.6.6-r 1331 0.15 0.26 1.17 1.60 10.9 0.62 1.79 159. 718. 7800 wonky Linux 2.6.6-r 1331 0.15 0.26 1.17 1.60 10.9 0.62 1.79 159. 718. 7780 Basic integer operations - times in nanoseconds - smaller is better ------------------------------------------------------------------- Host OS intgr intgr intgr intgr intgr bit add mul div mod --------- ------------- ------ ------ ------ ------ ------ admins-Co Darwin 7.3.0 0.7500 0.7500 1.5000 17.3 19.6 admins-Co Darwin 7.3.0 0.8100 0.7500 1.5000 17.3 19.6 admins-Co Darwin 7.3.0 0.7500 0.7900 1.5000 17.3 19.6 wonky Linux 2.6.6-r 0.7500 0.7500 1.5000 17.3 19.5 wonky Linux 2.6.6-r 0.7500 0.7500 1.5000 17.4 19.5 wonky Linux 2.6.6-r 0.7500 0.7500 1.5000 17.3 19.9 Basic float operations - times in nanoseconds - smaller is better ----------------------------------------------------------------- Host OS float float float float add mul div bogo --------- ------------- ------ ------ ------ ------ admins-Co Darwin 7.3.0 3.7900 3.7100 15.7 36.2 admins-Co Darwin 7.3.0 3.8200 3.7200 15.8 36.1 admins-Co Darwin 7.3.0 3.7900 3.7200 15.8 36.2 wonky Linux 2.6.6-r 3.7800 3.7100 15.7 36.1 wonky Linux 2.6.6-r 3.7800 3.7100 15.7 36.1 wonky Linux 2.6.6-r 3.7800 3.7100 15.7 36.1 Basic double operations - times in nanoseconds - smaller is better ------------------------------------------------------------------ Host OS double double double double add mul div bogo --------- ------------- ------ ------ ------ ------ admins-Co Darwin 7.3.0 3.8000 3.7100 26.2 34.6 admins-Co Darwin 7.3.0 3.9100 3.7200 27.3 34.6 admins-Co Darwin 7.3.0 3.8500 3.7200 26.2 34.7 wonky Linux 2.6.6-r 3.7800 3.7100 26.2 34.6 wonky Linux 2.6.6-r 3.7800 3.7100 26.2 34.6 wonky Linux 2.6.6-r 3.7800 3.7100 26.2 34.6 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 --------- ------------- ------ ------ ------ ------ ------ ------- ------- admins-Co Darwin 7.3.0 3.9000 6.3000 4.8100 9.1700 53.3 16.7 129.7 admins-Co Darwin 7.3.0 3.2600 6.2400 4.7700 8.6900 70.8 11.7 132.2 admins-Co Darwin 7.3.0 3.9000 5.9600 3.9700 8.9000 71.4 12.3 128.8 wonky Linux 2.6.6-r 0.6300 1.8900 0.9600 4.5800 35.6 5.29000 109.4 wonky Linux 2.6.6-r 0.6300 1.9800 0.9700 4.6000 34.5 5.31000 110.2 wonky Linux 2.6.6-r 0.6300 2.0800 0.9400 4.6000 45.1 5.39000 110.2 *Local* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- admins-Co Darwin 7.3.0 3.900 17.9 19.2 37.7 43.7 109. admins-Co Darwin 7.3.0 3.260 18.3 18.6 37.0 43.5 108. admins-Co Darwin 7.3.0 3.900 18.1 19.4 37.2 43.1 108. wonky Linux 2.6.6-r 0.630 3.312 5.87 8.815 18.2 11.5 24.5 46. wonky Linux 2.6.6-r 0.630 3.309 5.18 8.810 18.2 11.2 24.5 46. wonky Linux 2.6.6-r 0.630 3.306 5.21 8.827 18.2 11.2 24.5 46. File & VM system latencies in microseconds - smaller is better ------------------------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page 100fd Create Delete Create Delete Latency Fault Fault selct --------- ------------- ------ ------ ------ ------ ------- ----- ------- ----- admins-Co Darwin 7.3.0 129.0 148.1 572.1 225.8 1164.0 16.4 354.0 10.9 admins-Co Darwin 7.3.0 132.4 172.7 602.8 215.8 1186.0 16.1 346.0 10.8 admins-Co Darwin 7.3.0 128.1 170.3 593.5 215.6 1183.0 16.3 331.7 10.8 wonky Linux 2.6.6-r 37.8 8.7850 78.6 20.5 994.0 0.157 1.94970 5.834 wonky Linux 2.6.6-r 37.8 8.8040 75.7 20.4 979.0 0.142 1.95030 5.839 wonky Linux 2.6.6-r 37.8 8.8020 83.2 20.5 993.0 0.144 1.95130 5.838 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- admins-Co Darwin 7.3.0 338. 334. 142. 405.2 424.8 472.9 288.3 424. 813.0 admins-Co Darwin 7.3.0 338. 331. 146. 406.5 424.4 472.4 287.3 425. 811.5 admins-Co Darwin 7.3.0 342. 339. 140. 399.6 424.6 473.6 286.5 424. 812.8 wonky Linux 2.6.6-r 546. 630. 270. 526.7 428.6 280.0 288.7 428. 596.1 wonky Linux 2.6.6-r 547. 613. 274. 531.4 428.4 282.4 290.3 428. 621.0 wonky Linux 2.6.6-r 547. 608. 271. 535.5 428.0 282.4 291.5 428. 627.5 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) ------------------------------------------------------------------ Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- --- ---- ---- -------- ------- admins-Co Darwin 7.3.0 1330 2.2560 7.5360 97.5 admins-Co Darwin 7.3.0 1330 2.2530 7.5350 97.0 admins-Co Darwin 7.3.0 1330 2.2530 7.5360 97.1 wonky Linux 2.6.6-r 1331 2.2490 7.5170 96.4 wonky Linux 2.6.6-r 1331 2.2490 7.5170 96.4 wonky Linux 2.6.6-r 1331 2.2500 7.5170 96.4