L M B E N C H 3 . 0 S U M M A R Y ------------------------------------ (Alpha software, do not distribute) 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 --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- zhq-serve Linux 2.6.12- 2768 0.21 0.31 3.52 4.16 14.2 0.65 2.56 182. 635. 2233 zhq-serve Linux 2.6.12- 2768 0.22 0.37 5.71 6.97 26.9 1.23 3.82 305. 1115 3490 zhq-serve Linux 2.6.12- 2768 0.21 0.38 5.93 7.80 26.9 1.28 4.00 315. 1168 3680 zhq-serve Linux SWAP 2768 0.22 0.31 3.48 4.25 14.2 0.72 2.49 192. 638. 2243 zhq-serve Linux SWAP 2768 0.22 0.36 6.14 6.42 25.0 1.38 4.41 231. 1154 4121 zhq-serve Linux SWAP 2768 0.22 0.31 6.03 6.94 24.3 1.46 4.51 232. 1090 4278 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 --------- ------------- ------ ------ ------ ------ ------ ------- ------- zhq-serve Linux 2.6.12- 2.1700 2.8300 5.0900 4.4200 4.75000 15.1 zhq-serve Linux 2.6.12- 2.2400 3.1600 1.6100 5.7000 8.2600 4.63000 26.2 zhq-serve Linux 2.6.12- 2.4000 4.5000 4.7700 5.0500 9.5900 7.13000 29.9 zhq-serve Linux SWAP 3.2100 5.0200 7.5300 5.7700 15.5 10.1 33.1 zhq-serve Linux SWAP 3.2700 5.4700 5.8300 8.7000 10.4 9.09000 29.4 zhq-serve Linux SWAP 3.2700 5.3000 3.9900 5.4700 5.6400 10.4 32.5 *Local* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- zhq-serve Linux 2.6.12- 2.170 8.248 12.1 14.9 27.5 17.1 36.0 83. zhq-serve Linux 2.6.12- 2.240 12.0 19.4 19.9 35.4 24.3 41.9 91. zhq-serve Linux 2.6.12- 2.400 11.7 19.6 19.9 35.7 24.4 42.3 101. zhq-serve Linux SWAP 3.210 10.2 13.5 15.7 27.0 19.4 35.9 55. zhq-serve Linux SWAP 3.270 14.7 13.4 21.1 36.4 27.9 43.5 55. zhq-serve Linux SWAP 3.270 15.1 22.1 20.8 36.5 27.7 43.3 17.7 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 --------- ------------- ------ ------ ------ ------ ------- ----- ------- ----- zhq-serve Linux 2.6.12- 18.9 14.4 55.6 30.0 9078.0 1.022 2.44320 12.5 zhq-serve Linux 2.6.12- 19.2 14.4 62.1 30.2 9144.0 1.177 2.45600 22.8 zhq-serve Linux 2.6.12- 19.1 14.4 87.6 30.1 9139.0 1.371 2.45640 23.6 zhq-serve Linux SWAP 19.2 15.8 56.6 30.4 9115.0 0.998 2.46360 12.5 zhq-serve Linux SWAP 19.1 15.8 73.8 31.3 9100.0 0.010 2.48010 22.6 zhq-serve Linux SWAP 19.0 15.7 89.4 30.5 9138.0 1.044 2.48110 17.5 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- zhq-serve Linux 2.6.12- 1240 884. 701. 1180.7 1830.6 769.5 718.2 1811 1497. zhq-serve Linux 2.6.12- 1240 892. 692. 1183.7 1765.1 769.4 760.0 1829 1501. zhq-serve Linux 2.6.12- 988. 889. 666. 1191.1 1840.3 822.2 710.5 1814 1506. zhq-serve Linux SWAP 1135 1318 685. 1201.3 1804.0 810.8 741.0 1812 1470. zhq-serve Linux SWAP 1159 1344 708. 1204.4 1814.2 806.2 745.0 1822 1483. zhq-serve Linux SWAP 1172 1354 762. 1198.5 1824.6 813.0 720.9 1823 1489.