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lmbench results for A500-44 SMP

parisc-linux Randolph Chung 1 participant 1 message Oct 8, 2004

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First entry is for 2.4.20-pa24 SMP
Second entry is for 2.6.9-rc3-pa3 SMP, with a cache flushing patch

Machine is a 440MHz a500 with 5GB of RAM.

In general our performance seems to have dropped a bit :(

randolph

L M B E N C H 2 . 0 S U M M A R Y
------------------------------------

Basic system parameters
----------------------------------------------------
Host OS Description Mhz

--------- ------------- ----------------------- ----

ios       Linux 2.4.20-        hppa64-linux-gnu  440
ios       Linux 2.6.9-r        hppa64-linux-gnu  440

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 TCP inst hndl proc proc proc
--------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ----

ios       Linux 2.4.20-  440 0.73 1.85 10.2 11.8 110.8 2.17 16.9 17.K 41.K 85.K
ios       Linux 2.6.9-r  440 0.77 1.19 13.2 15.4  71.4 2.23 11.1 2590 10.K 33.K

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
--------- ------------- ----- ------ ------ ------ ------ ------- -------

ios       Linux 2.4.20- 5.630 5.1500 4.9900 9.0800   23.4    52.1   175.8
ios       Linux 2.6.9-r  13.0   12.7   12.2   23.2  110.9    62.5   179.0

*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----

ios       Linux 2.4.20- 5.630  20.4 48.4  89.2 172.5 114.1 351.5 1000
ios       Linux 2.6.9-r  13.0  73.8 48.2 144.5 209.0 252.3 250.2     

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 
--------- ------------- ------ ------ ------ ------  ------- -----   ----- 
ios       Linux 2.4.20-  130.0   80.0  509.9  180.0  3120.0K 603.4    58.0

ios Linux 2.6.9-r 93.0 67.0 302.9 165.0 95.1K 732.1 42.0

*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
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----

ios       Linux 2.4.20- 49.1 81.0 33.6   74.0  268.4  201.8  168.8 260. 250.9
ios       Linux 2.6.9-r 224. 328. 183.  283.6  264.2  184.3  155.0 256. 233.1

Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
---------------------------------------------------

Host                 OS   Mhz  L1 $   L2 $    Main mem    Guesses
--------- -------------  ---- ----- ------    --------    -------
ios       Linux 2.4.20-   440  20.0   20.0  220.0    No L1 cache?
ios       Linux 2.6.9-r   440  23.0   22.0  233.0    No L1 cache?
Signature · 7 lines
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/
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