Current development processes for parallel software often fail to deliver portable software. This is because these processes usually require a tedious tuning phase to deliver software of good performance. This tuning phase often is costly and results in machine specific tuned (i.e., less portable) software. Designing software for performance and portability in early stages of software design requires performance data for all targeted parallel hardware platforms. In this paper we present a publicly available database, which contains data necessary for software developers to design and implement portable and high performing MPI software.