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Date:      Sun, 20 Oct 1996 10:26:33 +0100
From:      Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>
To:        freebsd-hackers@freefall.FreeBSD.org
Subject:   ctcm figures 
Message-ID:  <199610200926.KAA12102@gilberto.physik.rwth-aachen.de>

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After installing a P6 (ASUS P6NP5 - Natoma chipset) I ran a
the CTCM cach memory tests from the german C'T computer
magazine here with the following results and I'd like to compare them
with others running a P6:


Uses Pentium Timer, Pentium clock : 199.4 MHz
Pentiummsr=TRUE
Pentiummsr switched off for PPro
XMM not installed     !
CTCM uses Memory from address   00120000
Int15-Memory=32505856

CTCM, translated by Thomas Pabst, copyright ct-Mag. V1.5b/t2
Processor-Timing   : PPro
Processor CPUID    : PPro/ Typ:00 Fam:06 Mod:01 Stp:07
Clck               : 199.4 MHz
internal Bus       :  not detectable  
FPU                : PPro
L1 Cache           : 8 KByte,2-way associative
L2 Cache           : 256 KByte,4-way associative
Write Strategy  L1 : Write Back
Write Strategy  L2 : Write Back
Dirty Tag L2       : for Assoziativity  > 1 not detectable        

         Through Put & Bus Performance: Main Memory from  00120000

Best Time for  8K MOVSD (Cache /Page Hits) :     8 mcs - 981.8 MByte/s
average t. for 8K MOVSD (Miss + Hit)       :    27 mcs - 308.1 MByte/s
average t. for 8K MOVSD (if  clean)        :   129 mcs -  63.4 MByte/s
average t. for 8K MOVSD (if  dirty)        :   128 mcs -  63.8 MByte/s
Main Memory    8K MOVSD (Cache misses)     :   266 mcs -  30.8 MByte/s

average with  256 KB L2-Cache /DOS (640K)  :    69 mcs - 118.2 MByte/s
average with  256 KB L2-Cache /WIN (4M  )  :   152 mcs -  54.0 MByte/s


The same benchmark on a P5/150 gives:

Uses Pentium Timer, Pentium clock : 149.4 MHz
Pentiummsr=TRUE
XMM not installed     !
CTCM uses Memory from address   00120000
Int15-Memory=32505856

CTCM, translated by Thomas Pabst, copyright ct-Mag. V1.5b/t2
Processor-Timing   : Pentium
Processor CPUID    : Pentium/ Typ:00 Fam:05 Mod:02 Stp:0C
Clck               : 149.4 MHz
internal Bus       : 32 Bit between CPU and primary Cache or Memory          
FPU                : Pentium
L1 Cache           : 8 KByte,2-way associative
L2 Cache           : 512 KByte, direct mapped
Write Strategy  L1 : Write Back
Write Strategy  L2 : Write Back
Dirty Tag L2       : ok        

         Through Put & Bus Performance: Main Memory from  00120000

Best Time for  8K MOVSD (Cache /Page Hits) :    14 mcs - 600.0 MByte/s
average t. for 8K MOVSD (Miss + Hit)       :   165 mcs -  49.7 MByte/s
average t. for 8K MOVSD (if  clean)        :   232 mcs -  35.4 MByte/s
average t. for 8K MOVSD (if  dirty)        :   232 mcs -  35.3 MByte/s
Main Memory    8K MOVSD (Cache misses)     :   341 mcs -  24.0 MByte/s

average with  512 KB L2-Cache /DOS (640K)  :   152 mcs -  53.8 MByte/s
average with  512 KB L2-Cache /WIN (4M  )  :   204 mcs -  40.2 MByte/s


--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de



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