optimal CPUTYPE / arch for Intel T5600 ?

Jyun-Yi Liou 7yuny1 at gmail.com
Sat Jul 26 12:59:06 UTC 2008


Hi Rene,
for optimizationm, CPUTYPE is depends on what verison of gcc you use.
you can determine waht CPUTYPE you use by checking gcc's online manul
http://gcc.gnu.org/onlinedocs/

i.e.
http://gcc.gnu.org/onlinedocs/gcc-4.2.4/gcc/Optimize-Options.html#Optimize-Options

Regards,
jyuny1

2008/7/25 Rene Ladan <r.c.ladan at gmail.com>

> Hi,
>
> I have an Asus A6JE laptop which has an Intel T5600 CPU.  It is
> currently configured as i386
> with CPUTYPE=prescott.  But after reading wikipedia, I get the idea
> that I have slightly
> underconfigured my box, i.e. that a better configuration is possible.
> dmesg says (7.0-release):
>
> CPU: Intel(R) Core(TM)2 CPU         T5600  @ 1.83GHz (1828.77-MHz 686-class
> CPU)
>  Origin = "GenuineIntel"  Id = 0x6f6  Stepping = 6
>
> 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=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
>  AMD Features=0x20100000<NX,LM>
>  AMD Features2=0x1<LAHF>
>  Cores per package: 2
> real memory  = 2147287040 (2047 MB)
> avail memory = 2095947776 (1998 MB)
> ACPI APIC Table: <AMI    OEMAPIC >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> acpi0: <_ASUS_ Notebook> on motherboard
> acpi0: [ITHREAD]
> acpi0: Power Button (fixed)
> acpi0: reservation of 0, a0000 (3) failed
> acpi0: reservation of 100000, 7ff00000 (3) failed
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
> acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x62,0x66 on acpi0
> acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on
> acpi0
> Timecounter "HPET" frequency 14318180 Hz quality 900
> cpu0: <ACPI CPU> on acpi0
> coretemp0: <CPU On-Die Thermal Sensors> on cpu0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> est: CPU supports Enhanced Speedstep, but is not recognized.
> est: cpu_vendor GenuineIntel, msr 6130b2406000b24
> device_attach: est0 attach returned 6
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> cpu1: <ACPI CPU> on acpi0
> ACPI Warning (tbutils-0243): Incorrect checksum in table [SSDT] -  77,
> should be
>  2C [20070320]
> coretemp1: <CPU On-Die Thermal Sensors> on cpu1
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> p4tcc1: <CPU Frequency Thermal Control> on cpu1
>
> Maybe some amd64 configuration is possible, since it the cpu has AMD
> features?
>
> Please cc me, I'm not subscribed.
>
> Regards,
> Rene
> --
> http://www.rene-ladan.nl/
>
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