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how to configure the options of compilation in a i73960x
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josei7extreme
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Joined: 25 Aug 2012
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PostPosted: Sun Aug 26, 2012 6:41 am    Post subject: how to configure the options of compilation in a i73960x Reply with quote

hi i need someone,to say what option of compilations,cflags and cxxflags and makeopts can i try to install in my new computer the processor is an i73960x extreme and the is no guide for intel in the manual of installation can i try,the processor has the instructions:TSC,MMX,SSE,SSE2,SSE3,SSSE3,SSE4.1,SSE4.2,AESNI,AVX,and make opts the processor has 6 processor and 12 subprocess and windows and linux detect has 12 processors then i have try with makeots="-j13",if someone can help me please.
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DONAHUE
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Joined: 09 Dec 2006
Posts: 7552
Location: Goose Creek SC

PostPosted: Sun Aug 26, 2012 6:49 am    Post subject: Reply with quote

look at:
http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel#Core_i7_and_Core_i5.2C_Xeon_55xx

I would edit /etc/make.conf to:
Quote:
ACCEPT_KEYWORDS="~amd64"
CHOST="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe -march=corei7-avx"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j13"


and then run:
Code:
emerge -- sync
emerge -e system
emerge -e world
emerge gentoo-sources

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josei7extreme
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PostPosted: Sun Aug 26, 2012 6:57 am    Post subject: Reply with quote

and instructions mmx ,sse... i have to put it.
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DONAHUE
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PostPosted: Sun Aug 26, 2012 7:27 am    Post subject: Reply with quote

-march=corei7-avx in cflags and by extension in cxxflags should cover I7 instruction set.

You could add USE="mmx sse sse2 sse3 sse4_1 aes-n1 avx". This is probably redundant, but should be harmless.
TSC and SSE4.1 do not correspond to any USE flags as far as I can see.
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josei7
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Joined: 07 Feb 2014
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PostPosted: Fri Feb 07, 2014 8:39 am    Post subject: josei7 many thanks donahue Reply with quote

im josei7extreme but i lost my earlier password to get in,i install gentoo like you say me donahue,and now i have the computer compiled for my cpu many thanks you are the best
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desultory
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Joined: 04 Nov 2005
Posts: 9236

PostPosted: Fri Feb 14, 2014 5:00 am    Post subject: Reply with quote

josei7 wrote:
im josei7extreme but i lost my earlier password to get in
In that case, use the password recovery form, linked from the login page, or contact us and we can get your access straightened out.
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