The following topics are: message passing interface; multithreaded multicore environments; cluster architecture; processor host interface; petascale heterogeneous CPU-GPU computing; OpenMP; ScaleMP; energy-aware scheduling; virtualized data centers; data deduplication; virtual machines; InfiniBand; parallel archive system; cloud computing; GPGPU-based clusters; communication overhead reduction; eddy simulation; jet engine noise; grid computing; and metadata management.