So,
Given the output below, is there any real benifit to compiling a custom
kernel with an amd64 machine type (performance gains?), and given that this
server will be a Web/Email/Mysql server?
/var/run/dmesg.boot
Copyright (c) 1992-2008 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 6.3-RELEASE #0: Wed Jan 16 04:45:45 UTC 2008
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/SMP
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(R) CPU 3065 @ 2.33GHz (2335.84-MHz 686-class
CPU)
Origin = "GenuineIntel" Id = 0x6fb Stepping = 11
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0xe3fd<SSE3,RSVD2,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
AMD Features=0x20100000<NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 2
real memory = 3219857408 (3070 MB)
avail memory = 3145625600 (2999 MB)
ACPI APIC Table: <DELL PE_SC3 >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0: Changing APIC ID to 2
ioapic1: Changing APIC ID to 3
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 32-55 on motherboard
Thx,
-Grant
----- Original Message -----
From: "Lowell Gilbert" <[EMAIL PROTECTED]>
To: "Grant Peel" <[EMAIL PROTECTED]>
Cc: <freebsd-questions@freebsd.org>
Sent: Friday, June 27, 2008 4:03 PM
Subject: Re: CPUs again.
"Grant Peel" <[EMAIL PROTECTED]> writes:
Understood,
Does the default "GENERIC" kernel see them as i386 or amd64 when
booting then?, or does using amd64 require a custom kernel?
The kernel and the rest of the system are compiled for i386 or amd64.
You can run amd64 software on amd64 architecture hardware, and you can
run i386 software on i386 or amd64 hardware.
--
Lowell Gilbert, embedded/networking software engineer, Boston area
http://be-well.ilk.org/~lowell/
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