cd results && make summary percent 2>/dev/null | more L M B E N C H 1 . 9 S U M M A R Y ------------------------------------ (Alpha software, do not distribute) 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 inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- alpha-0-f OSF1 V5.0 665 0.4 1.2 204 998 0.22K 0.9 3 1.1K 3K 8K alpha-32- OSF1 V5.0 664 0.4 1.1 192 981 0.24K 0.9 3 1.1K 3K 8K alpha-dec OSF1 V5.0 665 0.4 1.2 190 985 0.22K 0.9 3 1.1K 3K 8K sp3-0-eag AIX 3 375 1.0 3.1 22 25 1.52K 7.1 20 1.2K 4K 10K sp3-89-ea AIX 3 375 1.0 3.1 21 25 0.33K 2.6 11 1.1K 3K 8K sp3-96-ea AIX 3 375 1.0 3.1 22 25 0.33K 2.6 11 1.1K 3K 9K sp4 AIX 5.1 1300 1.0 2.3 14 16 0.21K 2.2 8 0.5K 1K 5K 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- alpha-0-f OSF1 V5.0 7 9 17 15 41 17 43 alpha-32- OSF1 V5.0 7 8 19 15 38 16 39 alpha-dec OSF1 V5.0 7 9 21 16 38 17 42 sp3-0-eag AIX 3 16 16 17 18 21 19 21 sp3-89-ea AIX 3 11 13 14 15 18 15 18 sp3-96-ea AIX 3 12 13 14 15 17 15 18 sp4 AIX 5.1 3 3 3 3 3 3 3 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- alpha-0-f OSF1 V5.0 7 23 57 74 78 343 alpha-32- OSF1 V5.0 7 23 57 75 101 222202 alpha-dec OSF1 V5.0 7 24 55 76 77 523299 sp3-0-eag AIX 3 16 43 83 155 148 251 sp3-89-ea AIX 3 11 36 55 101 107 198 sp3-96-ea AIX 3 12 36 55 102 106 194 sp4 AIX 5.1 3 19 45 109 98 357 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- alpha-0-f OSF1 V5.0 2924 2 0.6K alpha-32- OSF1 V5.0 2931 2 0.6K alpha-dec OSF1 V5.0 363 349 483 709 2964 2 0.6K sp3-0-eag AIX 3 1345 3 4.4K sp3-89-ea AIX 3 1008 5 4.4K sp3-96-ea AIX 3 1052 1010 1000 1000 1014 4 4.2K sp4 AIX 5.1 819 4 6.7K *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- alpha-0-f OSF1 V5.0 357 235 172 278 387 614 264 423 449 alpha-32- OSF1 V5.0 358 189 136 279 428 613 264 423 448 alpha-dec OSF1 V5.0 356 206 167 270 431 568 238 418 448 sp3-0-eag AIX 3 173 60 196 416 770 238 236 781 285 sp3-89-ea AIX 3 241 74 245 417 776 237 239 783 286 sp3-96-ea AIX 3 215 74 247 416 779 236 237 776 288 sp4 AIX 5.1 841 304 213 1086 1999 1306 1321 1953 1168 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- --- ---- ---- -------- ------- alpha-0-f OSF1 V5.0 665 4 27 32 No L2 cache? alpha-32- OSF1 V5.0 664 4 27 39 alpha-dec OSF1 V5.0 665 4 27 29 No L2 cache? sp3-0-eag AIX 3 375 5 32 87 sp3-89-ea AIX 3 375 5 32 89 sp3-96-ea AIX 3 375 5 32 87 sp4 AIX 5.1 1300 2 9 123