For the last week, whenever I look at the stats I see something like this.
I have about 1,3 MH/s and no other pool gives me such ridiculously high reject rate, not to mention the grossly understated hash rate for all 3 workers (3 identical ATIs 5870).
I an running multiple 7xxx cards and my reject rates have always been low on HC.
Must be your config.
Nah, this pool is great. I was dealing with the quirks of multiple coins manually. That was an headache.
That said, there's one thing miners will have to consider. When switching coins, the connection is interrupted for some seconds or no work is available. You must take into consideration what those 50+ daily start/stop cicles (and so, temperature variations) do to your videocards in the long term, specially if you're using --auto-fan. If you mine here, I suggest you undervolt, don't push them too far or take a serious look at cooling
Um, do you have any scientific support of such a claim? Not tryin' to flame, but first time i've ever heard that theory.
If anything, the disruption on each start/stop cycle is like giving the cards a mini-break.
Either way, my cards are all in the low 70s C range, and every little disconnect / reconnect only drops their temps maybe 5-10C before the server kicks back up.