ESESC is an open source very fast simulator that models heterogeneous multicores (OoO/InOrder/GPUs) with detailed performance, power, and thermal models. ESESC is an "E"nhanced version of SESC. This blog has posts of papers that use ESESC and sample usages for novices. Send me an email if you want to post a blog entry. For interactive discussions and questions, use the ESESC forum.