L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- smaug Linux 2.2.20p i586-pc-linux-gnu 400 localhost Darwin 1.3.7 powerpc-apple-darwin1.3 397 localhost Darwin 1.3.7 powerpc-apple-darwin1.3 397 localhost Darwin 1.3.7 powerpc-apple-darwin1.3 397 aragorn Linux 2.4.9-b powerpc-linux-gnu 399 aragorn Linux 2.4.9-b powerpc-linux-gnu 399 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- smaug Linux 2.2.20p 400 1.25 1.61 6.47 7.84 44.4 4.38 3.52 1859 6391 63.K localhost Darwin 1.3.7 397 3.38 5.56 35.2 49.6 37.7 13.8 19.3 2901 11.K 28.K localhost Darwin 1.3.7 397 3.48 5.71 35.7 50.0 13.9 19.3 3038 12.K 28.K localhost Darwin 1.3.7 397 3.40 5.58 35.2 49.6 13.8 19.1 3034 12.K 28.K aragorn Linux 2.4.9-b 399 0.52 0.89 3.79 5.23 43.7 1.86 5.08 654. 2965 16.K aragorn Linux 2.4.9-b 399 0.52 0.89 3.79 5.23 43.8 1.86 5.03 651. 2889 16.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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- smaug Linux 2.2.20p 4.890 23.3 562.5 60.8 594.2 97.1 593.3 localhost Darwin 1.3.7 12.0 33.7 105.8 47.4 198.4 55.8 293.3 localhost Darwin 1.3.7 12.3 32.5 111.4 46.6 186.8 53.9 267.5 localhost Darwin 1.3.7 12.0 33.2 106.7 49.5 169.3 62.2 283.5 aragorn Linux 2.4.9-b 1.120 7.5500 85.3 24.1 143.8 26.3 219.6 aragorn Linux 2.4.9-b 1.100 7.4900 85.0 25.1 153.3 32.7 232.7 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- smaug Linux 2.2.20p 4.890 31.5 85.3 1875. 1001 localhost Darwin 1.3.7 12.0 59.0 59.6 131.0 192.8 154.6 231.9 369. localhost Darwin 1.3.7 12.3 58.9 59.3 130.9 192.7 153.5 233.4 357. localhost Darwin 1.3.7 12.0 59.4 59.0 130.7 191.0 155.4 232.2 358. aragorn Linux 2.4.9-b 1.120 7.954 13.9 39.0 168. aragorn Linux 2.4.9-b 1.100 7.998 13.7 38.6 168. 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- smaug Linux 2.2.20p 173.9 28.4 557.7 42.3 13.7K 2.313 5056.0 localhost Darwin 1.3.7 407.8 451.9 2352.9 561.8 5202.0 76.6 12.3K localhost Darwin 1.3.7 374.5 452.3 1938.0 513.6 5155.0 77.0 14.1K localhost Darwin 1.3.7 442.7 496.5 2012.1 599.9 5257.0 76.1 7270.0 aragorn Linux 2.4.9-b 36.9 8.6300 105.6 22.0 578.0 1.345 13.0 aragorn Linux 2.4.9-b 36.9 8.6200 107.3 22.1 591.0 1.340 13.0 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- smaug Linux 2.2.20p 27.7 9.71 9.11 22.8 104.1 30.5 34.9 101. 48.2 localhost Darwin 1.3.7 104. 97.8 75.6 158.2 179.4 269.8 126.1 179. 434.1 localhost Darwin 1.3.7 103. 100. 74.8 155.4 180.2 270.8 126.8 179. 434.8 localhost Darwin 1.3.7 104. 102. 74.2 157.2 180.4 266.5 125.2 179. 436.5 aragorn Linux 2.4.9-b 206. 99.2 130. 215.6 180.7 126.6 126.9 180. 385.8 aragorn Linux 2.4.9-b 206. 204. 141. 216.0 179.8 125.8 126.8 180. 231.1 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- smaug Linux 2.2.20p 400 5.007 583.0 611.3 No L2 cache? localhost Darwin 1.3.7 397 5.015 30.3 128.3 localhost Darwin 1.3.7 397 5.025 30.2 128.1 localhost Darwin 1.3.7 397 5.025 36.0 128.2 aragorn Linux 2.4.9-b 399 5.007 30.0 127.9 aragorn Linux 2.4.9-b 399 5.008 30.0 127.9