We are running in 64 bit mode with compatibility libraries
enabled. It is true that we are running CMS software and not all
LCG software. I am sure that there are situation where we could get
an incompatible binary. The CMS environment setup is sufficiently
detailed, that it has not been a problem for CMS applications.
-Ian
On Aug 25, 2005, at 2:46 PM, [log in to unmask] wrote:
> On Thu, 25 Aug 2005, Ian Fisk wrote:
>
>
>> Dear Szabolcs,
>>
>> There is an evaluation note that Hans Wenzel did for US-CMS.
>> It is a CMS Internal note. It's a megabyte so I won't forward it to
>> the list.
>>
>> http://cmsdoc.cern.ch/documents/05/in/in05_012.pdf
>>
>> As a result of these evaluations, US-CMS decided to buy 280 Dual
>> Opteron nodes. The gatekeepers are still on Xeon systems. These
>> are used for worker nodes. The grid job manager was modified to
>> submit to either architecture. So far the experience is fine, the
>> applications run transparently. [...]
>>
>
> In 64- or 32-bit mode?
>
> Also note that this only covers CMS software, not all LCG software.
>
> The port to AMD-64 is still on the to-do list; it got delayed for
> various reasons; no clear schedule yet.
>
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