[问题]Ubuntu内核优化问题。

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[问题]Ubuntu内核优化问题。

#1

帖子 夕阳 » 2006-09-19 22:10

我的CPU是AMD64的,那在优化升级linux内核的时候是用i686的还是k7的。
我看一个介绍说AMD64貌似应该用K8的内核,可是源里没有的说。
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#2

帖子 haonan » 2006-09-19 22:12

老实用k7吧
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#3

帖子 zhuqin_83 » 2006-09-20 5:14

那来的k8?
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给个关于cpu更详细的说明

#4

帖子 夕阳 » 2006-09-20 11:15

i386
Original Intel’s i386 CPU.

i486
Intel’s i486 CPU. (No scheduling is implemented for this
chip.)

i586, pentium
Intel Pentium CPU with no MMX support.

pentium-mmx
Intel PentiumMMX CPU based on Pentium core with MMX instruction
set support.

i686, pentiumpro
Intel PentiumPro CPU.

pentium2
Intel Pentium2 CPU based on PentiumPro core with MMX instruc‐
tion set support.

pentium3, pentium3m
Intel Pentium3 CPU based on PentiumPro core with MMX and SSE
instruction set support.

pentium-m
Low power version of Intel Pentium3 CPU with MMX, SSE and SSE2
instruction set support. Used by Centrino notebooks.

pentium4, pentium4m
Intel Pentium4 CPU with MMX, SSE and SSE2 instruction set sup‐
port.

prescott
Improved version of Intel Pentium4 CPU with MMX, SSE, SSE2 and
SSE3 instruction set support.

nocona
Improved version of Intel Pentium4 CPU with 64-bit extensions,
MMX, SSE, SSE2 and SSE3 instruction set support.

k6 AMD K6 CPU with MMX instruction set support.

k6-2, k6-3
Improved versions of AMD K6 CPU with MMX and 3dNOW! instruction
set support.

athlon, athlon-tbird
AMD Athlon CPU with MMX, 3dNOW!, enhanced 3dNOW! and SSE
prefetch instructions support.

athlon-4, athlon-xp, athlon-mp
Improved AMD Athlon CPU with MMX, 3dNOW!, enhanced 3dNOW! and
full SSE instruction set support.

k8, opteron, athlon64, athlon-fx
AMD K8 core based CPUs with x86-64 instruction set support.
(This supersets MMX, SSE, SSE2, 3dNOW!, enhanced 3dNOW! and
64-bit instruction set extensions.)

winchip-c6
IDT Winchip C6 CPU, dealt in same way as i486 with additional
MMX instruction set support.

winchip2
IDT Winchip2 CPU, dealt in same way as i486 with additional MMX
and 3dNOW! instruction set support.

c3 Via C3 CPU with MMX and 3dNOW! instruction set support. (No
scheduling is implemented for this chip.)

c3-2
Via C3-2 CPU with MMX and SSE instruction set support. (No
scheduling is implemented for this chip.)
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#5

帖子 zhuqin_83 » 2006-09-20 11:18

我说你啊,这些我当然知道,但是linux的内核只有这几种而已:i386 i686 k7。而且,这些命名方式和386 686 无关的啊。照你的说法,386只能用在386cpu上,686只能用在老式奔腾上。
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#6

帖子 夕阳 » 2006-09-20 11:45

哦,呵呵,一直在用i686的内核,apt个k7的内核 看看那个效果好的说。
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#7

帖子 zhuqin_83 » 2006-09-20 12:03

686的核是为intel优化的
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