Selection between C2D and Xeon 3000 for PETSc Sparse solvers

[Satish Balay]

On Tue, 22 Apr 2008, amjad ali wrote:

>  Hello,
> 
> Please help me out in selecting any one choice of the following:
>  (Currently I am making a gigabit ethernet cluster of 4 compute nodes
> (totaling 8 cores), with each node having)
> 
> (Choice 1)
> One Processor: Intel Core2Duo E6750 2.66 GHz Processor, FSB 1333MHz, 4MB L2.
> Motherboard: Intel Entry Server Board Intel S3200SHV with intel 3200 Chipset
> supporting 1333/1066/800 MHz FSB .
> RAM: 2GB DDR2 800MHz ECC System Memory.
> 
> (Choice 2)
> One Processor: Intel Xeon 3075 2.66 GHz FSB1333 4MBL2.
>  Motherboard: Intel Entry Server Board Intel S3200SHV with intel 3200
> Chipset supporting 1333/1066/800 MHz FSB .
> RAM: 2GB DDR2 800MHz ECC System Memory.
> 
> Which one system has larger memory-bandwidth/CPU-core?
> Any other comment/remark?
> My area work deals in sparse matrices.
> I near future I would like to add 12 similar compute nodes in the cluster.

Based on the above numbers - the memory bandwidth numbers should be
the same. And I expect the performance to be the same in both cases.

Ideally you would have access to both machines [perhaps from the
vendor] - and run streams benchmark on each - to see if there is any
difference.

Satish