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To: Chris Timmons <skynyrd@opus.cts.cwu.edu>, freebsd-hardware@freebsd.org
Subject: (not seeing) ECC penalty on Natoma
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Chris:

The penalty for ECC only occurs on a cache miss. Unless your memory
benchmark is designed to avoid this, or you turn off the cache, you'll hit
the cache again and again and will see no slowdown.

--Brett