Messages in this thread | | | Date | Sun, 17 Mar 1996 08:00:54 -0500 | From | "David S. Miller" <> | Subject | whee... |
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"No worries." -Andrew Tridgell
All on the same exact hardware folks.
L M B E N C H 1 . 0 S U M M A R Y ------------------------------------
Processor, Processes - times in microseconds -------------------------------------------- Host OS Mhz Null Null Simple /bin/sh Mmap 2-proc 8-proc Syscall Process Process Process lat ctxsw ctxsw --------- ------------- ---- ------- ------- ------- ------- ---- ------ ------ trombetas Linux 1.3.74 50 13 8.7K 39.1K 53K 334 80 95 negro.rut SunOS 4.1.3_U 49 124 18.3K 63.9K 110K 470 152 262 geneva.ru SunOS 5.5 50 31 33.7K 148.2K 274K 596 174 205
*Local* Communication latencies in microseconds ----------------------------------------------- Host OS Pipe UDP RPC/ TCP RPC/ UDP TCP --------- ------------- ------- ------- ------- ------- ------- trombetas Linux 1.3.74 285 1004 1776 1406 2614 negro.rut SunOS 4.1.3_U 890 1375 2287 1573 2804 geneva.ru SunOS 5.5 530 1563 2080 1354 2398
*Local* Communication bandwidths in megabytes/second ---------------------------------------------------- Host OS Pipe TCP File Mmap Bcopy Bcopy Mem Mem reread reread (libc) (hand) read write --------- ------------- ---- ---- ------ ------ ------ ------ ---- ----- trombetas Linux 1.3.74 9 3.8 25.0 21.1 18 25 41 36 negro.rut SunOS 4.1.3_U 4 2.0 19.5 8.2 18 24 41 36 geneva.ru SunOS 5.5 8 7.0 12.6 19.5 18 18 40 36
Memory latencies in nanoseconds (WARNING - may not be correct, check graphs) -------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem TLB Guesses --------- ------------- --- ---- ---- -------- --- ------- trombetas Linux 1.3.74 50 19 169 179 659 No L2 cache? negro.rut SunOS 4.1.3_U 49 20 175 183 -1 No L2 cache? geneva.ru SunOS 5.5 49 - - - - Bad mhz?
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