L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- ereshkiga Linux 2.6.10- results-nostack 2972 ereshkiga Linux 2.6.10- results-nostack 2972 ereshkiga Linux 2.6.10- results-nostack 2972 ereshkiga Linux 2.6.10- results-nostack 2972 Processor, Processes - times in microseconds - smaller is better ---------------------------------------------------------------- Host OS Mhz null null open selct call I/O stat clos TCP --------- ------------- ---- ---- ---- ---- ---- ----- ereshkiga Linux 2.6.10- 2972 0.14 0.31 2.48 3.02 4.739 ereshkiga Linux 2.6.10- 2972 0.14 0.33 2.45 3.02 4.891 ereshkiga Linux 2.6.10- 2972 0.14 0.31 2.50 3.03 4.744 ereshkiga Linux 2.6.10- 2972 0.14 0.31 2.47 3.02 4.749 MEAN .315 2.475 3.023 4.78 STDEV .0087 .018 .0043 0.06 CI (95%) sig sig fork exec sh inst hndl proc proc proc ---- ---- ---- ---- ---- 0.51 1.75 76.7 364. 1663 0.51 1.76 74.1 361. 1644 0.51 1.75 75.5 356. 1658 0.51 1.76 74.6 364. 1679 MEAN 0.51 1.755 75.23 361.3 1661 STDEV 0 0.005 0.988 3.27 12 CI (95%) 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- ereshkiga Linux 2.6.10- 1.530 2.3900 4.4200 2.9900 28.2 5.58000 35.9 ereshkiga Linux 2.6.10- 1.510 2.3700 4.4000 3.0100 30.3 6.28000 36.0 ereshkiga Linux 2.6.10- 1.510 2.3500 4.4200 2.9900 28.9 5.84000 36.0 ereshkiga Linux 2.6.10- 1.500 2.3400 4.4400 3.1600 26.4 5.90000 35.9 MEAN 1.513 2.3625 4.42 3.0375 28.45 5.9 35.95 STDEV .01090 .01920 .014 .07120 1.404 0.25 .05 CI (95%) *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- ereshkiga Linux 2.6.10- 1.530 4.917 9.13 16.1 19.9 18.1 25.4 61.0 ereshkiga Linux 2.6.10- 1.510 4.975 8.88 16.0 20.1 17.8 25.3 61.2 ereshkiga Linux 2.6.10- 1.510 4.948 10.2 16.0 22.8 17.8 25.4 61.1 ereshkiga Linux 2.6.10- 1.500 4.380 10.4 15.9 19.9 17.8 25.9 60.9 MEAN 1.513 4.805 9.65 16.0 20.68 17.88 25.5 61.05 STDEV .0109 .2462 .657 .07 1.230 0.130 0.23 0.112 CI (95%) 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- ereshkiga Linux 2.6.10- 18.7 7.7640 45.8 15.5 1023.0 0.639 1.00000 ereshkiga Linux 2.6.10- 19.0 7.7740 46.5 15.6 1020.0 0.650 1.00000 ereshkiga Linux 2.6.10- 18.9 7.7670 46.8 15.6 1023.0 0.639 2.00000 ereshkiga Linux 2.6.10- 22.4 7.8310 50.1 15.7 1092.0 0.641 1.00000 MEAN 19.75 7.784 47.3 15.6 1039.5 0.642 1.25 STDEV 1.534 .0274 1.66 0.07 30.34 .0045 .433 CI (95%) *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- ereshkiga Linux 2.6.10- 1177 2784 656. 1690.6 1895.0 601.2 624.0 1912 872.0 ereshkiga Linux 2.6.10- 1142 2525 607. 1682.2 1894.3 605.4 627.3 1912 876.8 ereshkiga Linux 2.6.10- 1181 2808 615. 1676.4 1894.3 609.2 627.6 1912 886.6 ereshkiga Linux 2.6.10- 1193 2935 558. 1680.2 1894.2 611.1 629.9 1912 883.5 MEAN 1173 2763 609 1682.4 1894.45 606.7 627.2 1912 879.7 STDEV 19.0 148 35 5.2 0.32 3.79 2.10 0 5.7 CI (95%) Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- ereshkiga Linux 2.6.10- 2972 0.671 6.1700 112.4 ereshkiga Linux 2.6.10- 2972 0.671 6.1690 112.6 ereshkiga Linux 2.6.10- 2972 0.671 6.1710 112.8 ereshkiga Linux 2.6.10- 2972 0.671 6.1690 112.2