L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- aragorn Linux 2.4.20- powerpc-linux-gnu 399 aragorn Linux 2.4.20- powerpc-linux-gnu 399 aragorn Linux 2.4.20- powerpc-linux-gnu 399 os-x Darwin 6.4 powerpc-apple-darwin6.4 399 os-x Darwin 6.4 powerpc-apple-darwin6.4 399 os-x Darwin 6.4 powerpc-apple-darwin6.4 399 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- aragorn Linux 2.4.20- 399 0.52 0.89 4.81 6.29 42.8 1.80 5.09 523. 1763 8286 aragorn Linux 2.4.20- 399 0.52 0.89 4.81 6.29 42.5 1.80 5.08 520. 1757 8304 aragorn Linux 2.4.20- 399 0.52 0.89 4.81 6.29 42.5 1.80 5.08 518. 1777 8378 os-x Darwin 6.4 399 2.19 4.23 21.2 27.2 49.4 4.40 16.5 2158 7741 18.K os-x Darwin 6.4 399 2.19 4.27 21.2 27.4 49.5 4.46 16.5 2191 7882 18.K os-x Darwin 6.4 399 2.16 4.23 20.9 27.3 49.5 4.35 16.4 2181 7532 17.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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- aragorn Linux 2.4.20- 1.400 7.9600 86.4 24.5 140.8 27.1 244.4 aragorn Linux 2.4.20- 1.410 8.0200 86.2 25.7 147.7 28.5 233.5 aragorn Linux 2.4.20- 1.420 7.9200 109.8 25.0 173.6 29.8 252.2 os-x Darwin 6.4 9.990 30.2 102.4 43.5 133.4 51.1 280.2 os-x Darwin 6.4 9.800 30.0 113.6 41.3 147.2 51.1 270.6 os-x Darwin 6.4 9.680 29.4 102.8 42.5 127.6 48.1 258.9 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- aragorn Linux 2.4.20- 1.400 8.443 14.6 41.4 94.8 68.4 132.4 248. aragorn Linux 2.4.20- 1.410 8.518 14.8 41.9 94.5 68.5 133.3 243. aragorn Linux 2.4.20- 1.420 8.468 14.7 41.3 93.4 68.2 133.8 268. os-x Darwin 6.4 9.990 47.7 47.1 122.5 148.7 386. os-x Darwin 6.4 9.800 47.6 47.6 121.2 148.6 384. os-x Darwin 6.4 9.680 46.8 57.5 121.3 147.9 392. 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- aragorn Linux 2.4.20- 83.7 10.3 125.6 24.3 17.9K 1.259 14.0 aragorn Linux 2.4.20- 43.7 9.6330 125.9 24.1 2684.0 1.234 14.0 aragorn Linux 2.4.20- 43.7 9.5230 125.8 24.2 2556.0 1.219 14.0 os-x Darwin 6.4 180.2 186.1 1312.3 235.7 12.9K 70.4 7845.0 os-x Darwin 6.4 179.8 184.6 1297.0 243.9 13.2K 70.9 10.8K os-x Darwin 6.4 179.2 213.2 1545.6 243.4 13.0K 70.8 9363.0 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- aragorn Linux 2.4.20- 197. 223. 87.8 205.0 173.1 122.6 123.7 173. 359.0 aragorn Linux 2.4.20- 198. 216. 91.9 207.3 173.1 122.7 124.0 173. 359.0 aragorn Linux 2.4.20- 198. 216. 90.1 206.5 173.1 122.8 124.2 173. 358.3 os-x Darwin 6.4 126. 124. 80.5 147.2 178.0 241.3 127.3 178. 409.6 os-x Darwin 6.4 125. 121. 80.2 150.3 178.1 243.7 127.1 178. 407.6 os-x Darwin 6.4 124. 121. 80.5 150.6 178.1 239.8 123.4 178. 411.9 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- aragorn Linux 2.4.20- 399 5.007 30.2 133.5 aragorn Linux 2.4.20- 399 5.007 30.2 133.9 aragorn Linux 2.4.20- 399 5.008 30.2 133.9 os-x Darwin 6.4 399 5.011 30.2 129.9 os-x Darwin 6.4 399 5.013 30.2 130.6 os-x Darwin 6.4 399 5.011 30.2 130.6