Subject: Re: Port benchmarks
To: R. C. Dowdeswell <elric@imrryr.org>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-alpha
Date: 03/31/2000 14:38:36
On Mon, Mar 27, 2000 at 02:43:43PM -0800, R. C. Dowdeswell wrote:
> [ instructions for running lmbench ]
Thanks ! Here are the results:
Missing data in ds20: lat_protfault lat_rpc_tcp_local lat_rpc_udp_local
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
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----
ds20 NetBSD 1.4U 498 0.6 2.5 12 16 0.05K 1.2 4 0.7K 3K 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
--------- ------------- ----- ------ ------ ------ ------ ------- -------
ds20 NetBSD 1.4U 3 10 48 18 56 22 61
*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
ds20 NetBSD 1.4U 3 16 15 48 49 938
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
--------- ------------- ------ ------ ------ ------ ------- ----- -----
ds20 NetBSD 1.4U 1408 854 1515 2325 1785192 0.1K
*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
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
ds20 NetBSD 1.4U 41 45 49 190 406 311 215 406 372
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Guesses
--------- ------------- --- ---- ---- -------- -------
ds20 NetBSD 1.4U 498 5 30 170
The '*Local* Communication bandwidths' numbers don't looks rigth compared
to Simon's results for a ds20/OSF1. I can't believe NetBSD is that bad :)
--
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr
--