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| From: | Paul Hartman <paul.hartman+gentoo@×××××.com> | ||
|---|---|---|---|
| To: | Gentoo User <gentoo-user@l.g.o> | ||
| Subject: | Re: [gentoo-user] How to determine 'Least Common Denominator' between Xen(Server) Hosts | ||
| Date: | Wed, 14 Aug 2013 15:24:21 | ||
| Message-Id: | CAEH5T2O2B6pv-9+wUxyLqcADUr1bvQQLHvbaNCbwYoKy=Ek=mA@mail.gmail.com | ||
| In Reply to: | [gentoo-user] How to determine 'Least Common Denominator' between Xen(Server) Hosts by Pandu Poluan |
||
| 1 | On Wed, Aug 14, 2013 at 12:18 AM, Pandu Poluan <pandu@××××××.info> wrote: |
| 2 | |
| 3 | > I know that the (theoretical) best performance is to use -march=native , |
| 4 | > but since the processors of the HP servers are not exactly the same as the |
| 5 | > Dell's, I'm concerned that compiling with -march=native will render the VMs |
| 6 | > unable to migrate between the different hosts. |
| 7 | |
| 8 | |
| 9 | |
| 10 | I use -mtune=native rather than -march=native, that way I can use some |
| 11 | advanced processor features if they are available, but my system will still |
| 12 | run if moved to a different host. |
| Subject | Author |
|---|---|
| Re: [gentoo-user] How to determine 'Least Common Denominator' between Xen(Server) Hosts | Kerin Millar <kerframil@×××××××××××.uk> |