(eng): The Architecture of Computing Systems (ARCS) series of conferences has a long tradition of reporting high-quality resul ts in computer archit ecture research and closely related fields. ARCS represen ts a dynamic, evolving community that closely follows new research trends and a lso defines new research areas such as the field of organic computing. Over the years, ARCS has evolved from a small national event to an important international forum. The 26th ARCS, with a special focus on application acceleratio n, was hosted by the renowned Czech Technical University in Prague, one of the oldest technical universities in the world, in one of the most beautiful European cities.