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-osf OSF1 V5.0 667 0.4 1.1 170 972 0.22K 0.8 3 1.1K 4K 11K eagle-sp3 AIX 3 375 1.0 3.1 22 25 0.33K 2.6 11 1.1K 3K 9K sparc-sol SunOS 5.8 750 1.0 4.1 10 13 0.11K 1.9 19 1.2K 5K 9K 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-osf OSF1 V5.0 8 9 17 16 39 17 40 eagle-sp3 AIX 3 12 13 14 15 17 15 18 sparc-sol SunOS 5.8 6 16 48 53 194 56 200 *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-osf OSF1 V5.0 8 24 58 77 80 421826 eagle-sp3 AIX 3 12 36 55 102 106 194 sparc-sol SunOS 5.8 6 18 31 46 50 10829 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-osf OSF1 V5.0 350 350 478 714 2940 1 0.6K eagle-sp3 AIX 3 1052 1010 1000 1000 1014 4 4.2K sparc-sol SunOS 5.8 1176 606 1538 1086 1844 4 2.6K *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-osf OSF1 V5.0 351 180 117 273 400 603 190 423 449 eagle-sp3 AIX 3 215 74 247 416 779 236 237 776 288 sparc-sol SunOS 5.8 230 206 254 289 295 693 155 279 271 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- --- ---- ---- -------- ------- alpha-osf OSF1 V5.0 667 4 27 29 No L2 cache? eagle-sp3 AIX 3 375 5 32 87 sparc-sol SunOS 5.8 750 2 17 23