L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- localhost Darwin 5.5 powerpc-apple-darwin5.5 398 localhost Darwin 5.5 powerpc-apple-darwin5.5 398 localhost Darwin 5.5 powerpc-apple-darwin5.5 398 osx-mol Darwin 5.5 powerpc-apple-darwin5.5 400 osx-mol Darwin 5.5 powerpc-apple-darwin5.5 400 osx-mol Darwin 5.5 powerpc-apple-darwin5.5 400 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- localhost Darwin 5.5 398 3.18 4.70 23.2 28.6 56.3 5.36 15.6 2193 6403 19.K localhost Darwin 5.5 398 3.16 4.70 23.2 28.3 55.6 5.44 15.6 2153 6287 19.K localhost Darwin 5.5 398 3.16 4.73 23.0 28.1 55.8 5.36 15.7 2199 6341 19.K osx-mol Darwin 5.5 400 38.2 42.0 98.3 137. 255.0 49.6 111. 9581 26.K 74.K osx-mol Darwin 5.5 400 44.8 51.0 116. 157. 303.6 59.2 133. 11.K 30.K 87.K osx-mol Darwin 5.5 400 37.9 42.9 97.0 138. 259.9 51.1 117. 9946 26.K 74.K 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- localhost Darwin 5.5 10.2 30.3 102.0 43.0 173.6 50.7 281.9 localhost Darwin 5.5 10.1 30.0 102.0 41.5 131.2 50.1 285.5 localhost Darwin 5.5 10.1 29.3 104.9 42.0 191.6 51.3 278.8 osx-mol Darwin 5.5 51.8 94.2 173.6 125.8 304.3 138.0 426.3 osx-mol Darwin 5.5 68.0 105.3 274.3 151.7 412.2 190.4 542.5 osx-mol Darwin 5.5 68.8 105.9 212.4 153.4 365.9 186.8 574.2 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- localhost Darwin 5.5 10.2 52.1 51.8 119.1 122.2 356. localhost Darwin 5.5 10.1 51.2 50.8 120.1 138.6 340. localhost Darwin 5.5 10.1 50.9 50.9 120.8 139.0 352. osx-mol Darwin 5.5 51.8 516.4 421. 636.5 764.0 742. osx-mol Darwin 5.5 68.0 627.2 580. 1173. 1179. 1392 osx-mol Darwin 5.5 68.8 408.6 435. 648.4 702.3 1170 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- localhost Darwin 5.5 354.4 512.8 2188.2 630.9 3239.0 58.2 11.7K localhost Darwin 5.5 410.2 582.4 2105.3 632.1 3393.0 54.1 9461.0 localhost Darwin 5.5 489.7 562.4 2336.4 639.4 3341.0 53.9 14.9K osx-mol Darwin 5.5 662.7 446.8 2045.0 509.7 25.9K 275.4 4040.0 osx-mol Darwin 5.5 769.8 524.9 2445.0 610.9 26.5K 340.5 4170.0 osx-mol Darwin 5.5 666.7 451.3 1912.0 660.1 23.9K 278.6 1180.0 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- localhost Darwin 5.5 120. 120. 84.9 163.3 178.5 230.8 118.2 178. 429.7 localhost Darwin 5.5 120. 119. 82.1 162.0 178.8 235.9 120.0 178. 427.8 localhost Darwin 5.5 121. 119. 83.1 158.3 178.8 236.1 118.6 178. 425.3 osx-mol Darwin 5.5 23.9 22.1 34.0 53.1 77.0 197.8 107.2 147. 319.6 osx-mol Darwin 5.5 19.8 24.0 29.1 42.2 122.5 171.6 91.0 128. 277.1 osx-mol Darwin 5.5 23.9 22.7 34.0 50.7 152.7 168.8 84.0 125. 280.1 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- localhost Darwin 5.5 398 5.019 36.0 129.8 localhost Darwin 5.5 398 5.012 30.2 129.4 localhost Darwin 5.5 398 5.012 30.3 129.4 osx-mol Darwin 5.5 400 5.090 38.4 147.0 osx-mol Darwin 5.5 400 5.568 37.1 174.2 osx-mol Darwin 5.5 400 5.097 38.4 171.7