What Great Research ?s Can RAMP Help Answer? What Are RAMP’s Grand Challenges ?

Grand Challenges A complete software development vehicle for every parallel programmer –Debugger Functionally performance –Co-design with HW

Grand Challenges Enable education and training of (parallel) programming –By providing useful feedbacks –By offering an inexpensive accessible parallel system

Grand Challenges Enable the study of global system optimization so that a RAMP system is more efficient than “traditional computing systems” –For solving applications through parallelism

Research Questions Scalability issue of MP systems –Design issues with systems consist of large number of processors 1K 10K 100K

Research Questions CMP Architecture –Die area allocations tradeoffs Logic, memory and interconnect ratio –Power and thermal study –Interconnect topology evaluation –Performance study

Research Questions Full system simulation –I/O behavior –Flexible performance monitoring of all levels of a system –OS effects –Debugging methodology

Research Questions Modeling of very large systems –Generate workloads emulating a large system “Internet in a box” Input injection into a middleware/backend system

Research Questions Interaction of SW and HW –Acceleration of special functions –Performance tradeoffs of SW/HW –New instructions and their implementation study –Software assertion’s effect observed by HW for software debugging

Research Questions Synchronization of MP system –Lock speculation and transaction memory –Lock behavior modeling and evaluation Lock permutation

Research Questions Fault tolerance designs –Fault injection –Redundancy tradeoffs

Research Questions Others –Validation of new designs against existing designs –Speed up functional simulation –Security