Nevermind this! Everyone reading this, please see the next few posts before bothering with the files I mention here.
Just a quick note, I see in the OP that you're offering an older release of RemoveGrain 1.0, with the SSE3 issues; there's actually a newer version available (
binaries and
source), as per the final post in
this thread on kassandro's forum. Apparently it was a problem with the Intel compiler he had used at the time, but the bugs have been addressed with these 2007 releases.
I've been using the SSE3 libraries from those archives for some time now, and have had no problems beyond what one expects when trying to multithread (Q)TGMC.