From December 17th to18th the 22th Workshop on Sustained Simulation Performance took place at HLRS. HLRS organized this workshop in cooperation with NEC. The Workshop on Sustained Simulation Performance will focus on the highest sustained performance on current and future supercomputer architectures for real world applications. The workshop is a meeting platform for scientists, application developers, international experts and hardware designers from different continents to discuss the current state and future directions of supercomputing. This includes future hardware architectures, the future style of programming and directions to the highest sustained application performance.