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Article #308

Re: cache memory

#308
From: lwie... Michal Witczak
Date: Fri, 16 Feb 1996 00:00
57 lines
2760 bytes
On Wed, 14 Feb 1996 13:52:01 GMT, udbi...@cyf-kr.edu.pl (Lukasz
Bienkowski) wrote:

>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)

No teraz to testuje bardzo ladnie jednak Niemcy czasami sie przydaja
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From: lwie...@cwave.com (Michal Witczak)
Subject: Re: cache memory
Date: 1996/02/16
Message-ID: <31240e46.12143044@news.ict.pwr.wroc.pl>
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references: <311c924e.1734111@news.ict.pwr.wroc.pl> <DMnw2w.JoD@cyf-kr.edu.pl> <311f9d50.5880977@news.ict.pwr.wroc.pl> <DMrqIq.G8y@cyf-kr.edu.pl>
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