I ran lmbench on it and some of the lmbench number seem much slower than
the summary
<http://www.bitmover.com/lmbench/lmbench-summary>
Overall, application performance seem to be 25% of a single 166MMX!
Following is the lmbench number:
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 2.2.13- 199 5.7 13. 287 336 1.53K 102.5 125 7.7K
43K 148K
i686-linu Linux 2.2.13- 199 5.7 13. 115 137 0.61K 40.7 50 3.2K
18K 68K
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 2.2.13- 58 77 142 90 154 84 192
i686-linu Linux 2.2.13- 100 78 146 83 87 86 110
*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 2.2.13- 58 253 678 730 1300 4025
i686-linu Linux 2.2.13- 100 139 311 538 761 2064
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 2.2.13- 148 29 320 42 192374 44
7.5K
i686-linu Linux 2.2.13- 148 29 320 42 191531 20
7.4K
*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 2.2.13- 5 4 4 16 167 18 18
209 20
i686-linu Linux 2.2.13- 7 7 5 16 209 18 18
210 20
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 2.2.13- 199 15 35 229
i686-linu Linux 2.2.13- 199 15 35 229
Any idea? Any help is appreciated..
TIA
Paul
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