I have a bit of a problem.  Hopefully we can get this issue sorted out.

So here is the deal.  I run sgminer 4.2.2.  Just open source stuff that I have found via forum crawling.  I have a single r9 290.  I read that dashminer uses x11 as one of its algorithms.  The reference given was found here http://dashminer.com/stats/.  As it states, the reference r9 290 card crunched out 4.84Mh/s, and they are using this as a sort of baseline reference for their % value scale.  No problems so far?

Okay, here is where my problem kicks in.  When I mine on x11, I maintain a stable 6.1 Mh/s.  The issue is, the dashminer software is overworking my card, and getting worse performance.

When I am hashing x11, maintaining a stable 6.1 Mh/s, my temp never reaches 60c, because I set the power limit to -38 (yes, that is negative 38).  I am using much less power, and increasing efficiency by running cooler.  Yet, my hash rate is about 25% higher.  I snapped a couple screenshots just for a quick reference.
My normal mining on x11:
http://i1176.photobucket.com/albums/x338/fughe/good_sgminer_zps8szekijk.png

My mining with dashminer:
http://i1176.photobucket.com/albums/x338/fughe/dash_sgminer_zpsnqzwmx7w.png

As you can see, I normally run at a cool ~58c.  When I run the dashmining, I was pushing 73c, and still only hitting 92.74%.  So, I am burning more power, and dropping efficiency from heat...plus I am running a lot slower in MH/s.  I tried dropping the power limit down to -38, like I normally do.  When I did that, my % value droped to about 50%-55%, and the heat problem still did not completely go away (stayed around 63c-65c).  Obviously that is not realistic.  If I were fine with running my card hot (>70c), I could set my powerlimit back to 0, and then my normal x11 hash rate goes up to around 8 Mh/s.

What gives?  I want to try out the dashminer pool, but I need to figure out why I am having this issue to make it worth the switch.