L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- full Linux 2.6.8.1 chain -1 serge.aus Linux 2.6.8.1 chain 2368 serge.aus Linux 2.6.8.1 chain 2368 serge.aus Linux 2.6.8.1 chain 2368 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- full Linux 2.6.8.1 -1 serge.aus Linux 2.6.8.1 2368 0.17 0.26 3.19 3.75 0.56 3.18 79.3 337. 2119 serge.aus Linux 2.6.8.1 2368 0.17 0.26 3.16 3.81 0.56 3.18 83.0 364. 2136 serge.aus Linux 2.6.8.1 2368 0.17 0.27 3.14 3.81 0.56 3.17 82.9 345. 2138 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- full Linux 2.6.8.1 serge.aus Linux 2.6.8.1 1.870 2.9300 5.5700 4.0800 32.1 8.93000 40.9 serge.aus Linux 2.6.8.1 1.820 2.9600 5.4600 3.2700 32.2 7.53000 41.1 serge.aus Linux 2.6.8.1 1.860 2.9500 5.5200 3.9300 30.4 8.00000 40.5 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- full Linux 2.6.8.1 serge.aus Linux 2.6.8.1 1.870 5.334 9.82 0.407 14.2 serge.aus Linux 2.6.8.1 1.820 5.438 11.6 0.407 14.2 serge.aus Linux 2.6.8.1 1.860 5.463 11.4 0.407 14.2 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- full Linux 2.6.8.1 serge.aus Linux 2.6.8.1 37.7 8.4740 74.1 17.2 1278.0 0.682 2.00000 serge.aus Linux 2.6.8.1 37.7 8.5330 74.2 17.3 1280.0 0.549 2.00000 serge.aus Linux 2.6.8.1 37.7 8.5970 74.2 17.3 1285.0 0.536 2.00000 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- full Linux 2.6.8.1 serge.aus Linux 2.6.8.1 916. 1547 1356.3 1663.9 365.8 383.9 1663 532.9 serge.aus Linux 2.6.8.1 921. 1544 1354.1 1653.2 368.2 387.4 1661 537.6 serge.aus Linux 2.6.8.1 894. 1787 1350.6 1659.9 374.5 395.0 1662 547.1 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- full Linux 2.6.8.1 -1 - - - Bad mhz? serge.aus Linux 2.6.8.1 2368 0.836 7.7600 113.9 serge.aus Linux 2.6.8.1 2368 0.836 7.7640 114.0 serge.aus Linux 2.6.8.1 2368 0.836 7.7650 114.6