Hi all,

While running ECM on this exponent I have noticed a throbbing sound, 
somewhat similiar to a ceramic plate being spun on a hard surface; this 
differs from the usual continuous hum of running an LL test.  I have read 
the FAQ entries relating to noise, but none of them mention a noise related 
to ECM.

While I am satisfied that it is safe for the machine, I have, after 
estimating that I can expect a long runtime, moved the assignment down my 
worktodo file; some of the doublechecks I have saved up to run are nearly a 
full million behind the current 'cutting edge', and I don't feel comfortable 
slowing everything down by over a week.

In any event, though, I cannot help being somewhat curious about the source 
of the sound.  Does it relate to the writing to and from memory?

Nathan
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