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qemu has an option `*qemu* -*cpu host` that will use the host cpu features* |
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2011/7/17 Kfir Lavi <lavi.kfir@×××××.com> |
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> On Sat, Jul 16, 2011 at 9:13 PM, Michael Orlitzky <michael@××××××××.com>wrote: |
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>> On 07/16/2011 09:54 AM, Kfir Lavi wrote: |
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>> > Hi, |
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>> > I'm creating a router based on Gentoo, that needs to run as a vm using |
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>> > qemu. |
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>> > The mother machine will be Core I7 4 cores. |
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>> > What cpu and CFLAGS should I use to get the best performance out of this |
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>> vm? |
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>> > |
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>> > Thanks, |
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>> > Kfir |
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>> |
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>> CFLAGS="-march=native -O2 -pipe" enables everything safe these days. |
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>> |
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>> Hi, |
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> I think -march=native is a problem, as it will compile for my cpu. |
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> Qemu has different CPU, and i would like to compile my code to suit the vm |
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> environment |
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> as close as possible. |
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> |
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> Kfir |
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> |
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