../scripts/getsummary `../scripts/getlist ` | ../scripts/percent 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- i686-linu Linux 2.2.14 351 0.9 1.2 7 9 0.04K 2.5 3 0.3K 2K 9K i686-linu Linux 2.2.14 351 0.9 1.2 7 9 0.04K 2.6 3 0.3K 2K 9K i686-linu Linux 2.2.14 351 0.9 1.2 7 9 0.04K 2.6 3 0.3K 2K 9K i686-linu Linux 2.2.14 351 0.8 1.2 7 9 0.04K 2.6 3 0.3K 2K 9K i686-linu Linux 2.2.14 351 0.9 1.2 7 9 0.04K 2.6 3 0.3K 2K 9K 0 6% 0 0 0 0 2% 0 0 0 0 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- i686-linu Linux 2.2.14 1 18 58 19 131 23 192 i686-linu Linux 2.2.14 1 19 58 19 104 24 191 i686-linu Linux 2.2.14 1 18 58 19 94 22 192 i686-linu Linux 2.2.14 1 18 58 19 92 24 192 i686-linu Linux 2.2.14 1 19 58 19 112 24 192 0 5% 0 0 25% 5% 0 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- i686-linu Linux 2.2.14 1 9 17 i686-linu Linux 2.2.14 1 9 17 i686-linu Linux 2.2.14 1 9 17 i686-linu Linux 2.2.14 1 9 17 i686-linu Linux 2.2.14 1 9 17 0 0 0 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- i686-linu Linux 2.2.14 19 2 85 3 4647 1 0.7K i686-linu Linux 2.2.14 19 2 85 3 4361 1 0.7K i686-linu Linux 2.2.14 19 2 85 3 4472 1 0.7K i686-linu Linux 2.2.14 19 2 79 3 4444 1 0.7K i686-linu Linux 2.2.14 19 2 76 3 4500 1 0.7K 0 0 6% 0 2% 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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- i686-linu Linux 2.2.14 257 103 -1 135 287 119 116 287 155 i686-linu Linux 2.2.14 257 103 -1 135 287 118 116 287 153 i686-linu Linux 2.2.14 250 103 -1 135 287 119 117 287 156 i686-linu Linux 2.2.14 247 102 -1 135 287 119 117 287 156 i686-linu Linux 2.2.14 244 95 -1 135 287 119 118 287 156 3% 4% 0 0 0 0.7% 0 1% Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- --- ---- ---- -------- ------- i686-linu Linux 2.2.14 351 8 78 163 i686-linu Linux 2.2.14 351 8 62 163 i686-linu Linux 2.2.14 351 8 62 163 i686-linu Linux 2.2.14 351 8 62 163 i686-linu Linux 2.2.14 351 8 62 163 0 0 13% 0