[ODE] ODE slow on itanium?

Jon Watte (ODE) hplus-ode at mindcontrol.org
Mon Dec 4 07:23:36 MST 2006

There's a reason the Itanium never took off, you know...


             / h+

Bill Sellers wrote:
> Hi All,
> I've just been doing some benchmarking of my simulation on various  
> processors and they all behave about as I expect except for a truly  
> dreadful showing on a recent 1.6GHz Itanium system. It's over 3 times  
> slower than an Opteron 252 which is hardly cutting edge anymore, and  
> over twice as slow as the Xeon 5160 in my MacPro. They are all  
> compiled with gcc using the standard "-O3 -ffastmath" options. Anyone  
> got any idea what's wrong since I don't think the Itanium should be  
> this slow...

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