Thanks, that is promising. :-) I'll look forward to trying out one of these
systems myself some time.
- Garrett
On Dec 19, 2011, at 3:01 PM, Bob Friesenhahn wrote:
> On Mon, 12 Dec 2011, Bob Friesenhahn wrote:
>>
>> With assistance from a local hardware vendor, I hope to observe OpenIndiana
>> running (or not) on a two-socket Opteron 6200 system, at least for an hour
>> or two.
>
> I did get an opportunity this past weekend to test a two-socket Opteron 6220
> (two sockets of 8 cores each at 3GHz clock) system. See
> http://www.cpu-world.com/CPUs/Bulldozer/AMD-Opteron%206220.html for an
> overview of the chip.
>
> I tested under OpenIndiana and Ubuntu Linxu. OpenIndiana seemed to run fine
> and produced better multi-thread (OpenMP) performance with GCC than Ubuntu
> Linux did. I tested with the AMD Open64 compiler under Linux with Bulldozer
> optimizations and did notice that performance was often/usually considerably
> better than when using the Ubtuntu-provided GCC.
>
> There was evidence of the "turbo" mode being active with just a few threads
> running.
>
> I could not tell if FMA was working correctly on the OpenIndiana system. No
> faults or fault events seemed to have been reported.
>
> Bob
> --
> Bob Friesenhahn
> [email protected], http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
>
>
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