Frequency of upsets was Re: [Beowulf] ECC support on motherboards?

Greg Lindahl lindahl at pbm.com
Tue May 13 18:38:22 EDT 2008


On Tue, May 13, 2008 at 03:27:11PM -0700, Jim Lux wrote:

> Some data from Fermilab with 160 Gbit of DRAM 
> showed 2.5 upset/day.  Extrapolating (always 
> dangerous with these kinds of radiation effects 
> data, but I'll plunge in regardless).. that means 
> a workstation with 4-8 Gbyte of DRAM might see an upset per day.

You can't extrapolate to devices of a different density or made
with a different process, right?

-- greg


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