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-stackerasmodule 2974 ereshkiga Linux 2.6.10- results-stackerasmodule 2974 ereshkiga Linux 2.6.10- results-stackerasmodule 2974 ereshkiga Linux 2.6.10- results-stackerasmodule 2974 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ereshkiga Linux 2.6.10- 2974 0.14 0.32 2.53 3.16 4.756 0.51 1.61 73.1 345. 1632 ereshkiga Linux 2.6.10- 2974 0.14 0.31 2.48 3.10 4.758 0.51 1.63 75.0 352. 1652 ereshkiga Linux 2.6.10- 2974 0.14 0.32 2.49 3.08 4.822 0.51 1.60 74.0 345. 1655 ereshkiga Linux 2.6.10- 2974 0.14 0.31 2.48 3.12 4.751 0.51 1.63 78.5 348. 1628 MEAN 2.50 3.12 4.772 0.51 1.62 75.2 348 1642 STDEV 0.02 0.03 0.029 0 0.01 2.0 3 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- 1.510 2.2500 4.4000 2.8300 27.4 7.31000 36.3 ereshkiga Linux 2.6.10- 1.520 2.3600 4.3400 3.4700 28.2 6.48000 36.0 ereshkiga Linux 2.6.10- 1.520 2.2900 4.3700 2.9700 27.9 6.96000 38.4 ereshkiga Linux 2.6.10- 1.530 2.2300 4.4400 3.0400 28.9 6.70000 36.3 MEAN 2.28 4.39 3.08 28.1 6.86 36.8 STDEV 0.05 0.04 0.24 0.5 0.31 1.0 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- 1.510 4.804 8.66 15.8 22.7 18.3 26.7 62.4 ereshkiga Linux 2.6.10- 1.520 4.772 10.2 15.7 22.5 18.4 26.5 61.3 ereshkiga Linux 2.6.10- 1.520 4.847 13.9 15.9 22.9 18.5 26.6 62.4 ereshkiga Linux 2.6.10- 1.530 4.452 8.72 15.8 22.9 18.4 26.5 63.0 MEAN 1.52 4.719 10.37 15.8 22.8 18.4 26.6 62.3 STDEV 0.01 0.156 2.13 0.1 0.2 0.1 0.1 0.6 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- 18.4 9.3310 46.1 15.8 1018.0 0.688 1.00000 ereshkiga Linux 2.6.10- 18.6 9.3030 47.0 15.7 1023.0 0.651 1.00000 ereshkiga Linux 2.6.10- 18.6 9.3310 46.4 15.8 1014.0 0.669 1.00000 ereshkiga Linux 2.6.10- 18.4 9.3000 46.9 15.8 1020.0 0.628 1.00000 MEAN 18.5 9.316 46.6 15.8 1018.8 0.659 STDEV 0.1 0.015 0.4 0.0 3.3 0.022 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- 1194 2799 623. 1680.4 1914.2 597.0 620.2 1913 864.5 ereshkiga Linux 2.6.10- 1188 2888 588. 1682.6 1914.3 620.1 628.0 1914 877.2 ereshkiga Linux 2.6.10- 1196 2925 588. 1682.6 1895.1 608.0 631.2 1913 880.5 ereshkiga Linux 2.6.10- 1069 1867 515. 1669.4 1894.5 608.6 631.8 1914 879.4 MEAN 1162 2620 579 1678.8 1904.5 608.4 627.8 1914 875.4 STDEV 54 437 39 5.5 9.7 8.2 4.6 1 6.4 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- 2974 0.671 6.1720 112.5 ereshkiga Linux 2.6.10- 2974 0.671 6.1700 112.7 ereshkiga Linux 2.6.10- 2974 0.671 6.1690 112.5 ereshkiga Linux 2.6.10- 2974 0.713 6.1700 112.5