Multi-processor architectures are a promising solution to provide the required computational performance for applications in the area of high performance computing. Multi- and many-core Systems-on-Chip offer the possibility to host an application, partitioned in a number of tasks, on the different cores on one silicon die. Unfortunately, a partitioning of the tasks near to the performance optimum is the challenge in this domain and often a show-stopper for the success story of multi- and many-core hardware. The missing feature of these architectures is runtime adaptivity of the underlying hardware, which offers to tailor the hardware to the application in order to meet the task mapping process coming from top-down development. Especially, this Meet-in-the-Middle solution offers the novel hardware and software approach of RAMPSoC, which is described in this paper.