From owner-freebsd-hackers Sun Oct 20 02:20:45 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id CAA22659 for hackers-outgoing; Sun, 20 Oct 1996 02:20:45 -0700 (PDT) Received: from Campino.Informatik.RWTH-Aachen.DE (campino.Informatik.RWTH-Aachen.DE [137.226.225.2]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id CAA22631 for ; Sun, 20 Oct 1996 02:20:37 -0700 (PDT) Received: from gilberto.physik.rwth-aachen.de (gilberto.physik.rwth-aachen.de [137.226.31.2]) by Campino.Informatik.RWTH-Aachen.DE (RBI-Z-5/8.6.12) with ESMTP id KAA14191 for ; Sun, 20 Oct 1996 10:21:20 +0100 Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.6.11/8.6.9) id KAA12102 for freebsd-hackers@freefall.cdrom.com; Sun, 20 Oct 1996 10:26:33 +0100 Date: Sun, 20 Oct 1996 10:26:33 +0100 From: Christoph Kukulies Message-Id: <199610200926.KAA12102@gilberto.physik.rwth-aachen.de> To: freebsd-hackers@freefall.FreeBSD.org Subject: ctcm figures Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk 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