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Article #306

Re: cache memory

#306
From: udbi... Lukasz Bienkowski
Date: Wed, 14 Feb 1996 00:00
52 lines
2566 bytes
Michal Witczak (lwie...@cwave.com) wrote:
> On Mon, 12 Feb 1996 12:01:43 GMT, udbi...@cyf-kr.edu.pl (Lukasz
> Bienkowski) wrote:

> >Michal Witczak (lwie...@cwave.com) wrote:
> >> Poszukuje programu do testowania pojemnosci
> >> i prawidlowego dzialania "cache memory"
> >

> Dziekuje sprawdzilem ale niestety nic nie ma
> na temat "cache memory"  program testuje tylko "ram memory"
> a ja potrzebuje przetestowac "internal" i "external" "cache memory"

>                                 Michal


Czy naprawde ten program _nie_ testuje cache'ow??? Szlag tylko trafil 
niemieckie literki ;-)

XMM-Version: 3.00         Interne Revisionsnummer: 3.10 HMA verf�gbar.
Verf�gbarer Extended Speicher: 5012 KBytes.
Maximale Blockgr��e:5012 KBytes.
5012 KBytes angefordert. Handle = 43282
ab Adresse: 0031B000

PROZESSOR- und CACHEMESSER  c't 3/95/as V1.4c 
Prozessor          : i486DX,i487DX,i486DX2,
Takt               : 119.9 MHz
interne Busbreite  : 32 Bit zwischen Prozessor und prim�ren Cache oder Memory
Coprozessor        : i487-Typ
Prima�r-Cache       : 8 KByte  4-fach assoziativ
^^^^^^^^^^^^^^
Sekunda�r-Cache     : 256 KByt
^^^^^^^^^^^^^^^ 
Write-Strategie L2 : Write Back
Dirty Tag          : ok        
Extra Dirty-Waits  : 0         

         Datenflu�- und Bus-Performance:Hauptspeicher ab  0031B000

Beste Zeit fu�r 8K MOVSD (Cache /Page Hits)   :    54 �s => 152.9 MByte/
   bez cache'u ta wartosc siada straszliwie                   ^^^^^^^
mittlere " fu�r 8K MOVSD (Miss + Hit)        :   192 �s =>  42.7 MByte/s
mittlere " fu�r 8K MOVSD (bei clean)         :   386 �s =>  21.2 MByte/s
mittlere " fu�r 8K MOVSD (bei dirty)          :   630 �s =>  13.0 MByte/s
Schlechteste " 8K MOVSD (Cache misses)       :   820 �s =>  10.0 MByte/s

im Mittel bei  256 KB L2-Cache /DOS  (640K)  :   283 �s =>  29.0 MByte/s
im Mittel bei  256 KB L2-Cache /Win  (4M  )  :   428 �s =>  19.2 MByte/s

--
Lukasz Bienkowski (udbi...@cyf-kr.edu.pl, lbi...@vela.filg.uj.edu.pl)
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From: udbi...@cyf-kr.edu.pl (Lukasz Bienkowski)
Subject: Re: cache memory
Date: 1996/02/14
Message-ID: <DMrqIq.G8y@cyf-kr.edu.pl>
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