Date: Tue, 25 Feb 1997 12:52:52 -0700 (MST) From: Nate Williams <nate@mt.sri.com> To: Nate Williams <nate@mt.sri.com> Cc: Bruce Evans <bde@zeta.org.au>, hardware@freebsd.org Subject: Re: Memory speed (was Re: _big_ IDE disks?) Message-ID: <199702251952.MAA23943@rocky.mt.sri.com> In-Reply-To: <199702231629.JAA11518@rocky.mt.sri.com> References: <199702231441.BAA01194@godzilla.zeta.org.au> <199702231629.JAA11518@rocky.mt.sri.com>
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> FreeBSD 2.2-GAMMA #10: Fri Feb 21 18:07:37 MST 1997
> CPU: Pentium (99.47-MHz 586-class CPU)
> Origin = "GenuineIntel" Id = 0x525 Stepping=5
> Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
> real memory = 67108864 (65536K bytes)
> avail memory = 63631360 (62140K bytes)
>
> * $Id: npx.c,v 1.31.2.6 1997/02/13 06:59:51 bde Exp $
>
> moth:/sys/i386/isa # dd if=/dev/zero of=/dev/null bs=1m count=1000
> 1000+0 records in
> 1000+0 records out
> 1048576000 bytes transferred in 14.549281 secs (72070640 bytes/sec)
>
> Pretty low. This is an ASUS/Triton-I board if it makes any difference.
I just upgraded it to a 166.
FreeBSD 2.2-GAMMA #10: Fri Feb 21 18:07:37 MST 1997
root@moth.mt.sri.com:/usr/src/sys/compile/MOTH
Calibrating clock(s) relative to mc146818A clock ... i586 clock: 165778631 Hz, i
8254 clock: 1193106 Hz
CPU: Pentium (165.79-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 67108864 (65536K bytes)
avail memory = 63631360 (62140K bytes)
moth:/sys/compile/MOTH # dd if=/dev/zero of=/dev/null count=1000 bs=1m
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 8.264108 secs (126883142 bytes/sec)
Big difference, so it's gotta be related to the CPU speed and not just
the CPU class.
Nate
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