are Kemal Ebcioglu, Saravanan Arumugam (Aswath), Vijay Saraswat, and Vivek Sarkar.

X10 is designed specifically for parallel computing using the partitioned global address space (PGAS) model.A computation is divided among a set of places, each of which holds some data and hosts one or more activities that operate on those data. It has a constrained type system for object-oriented programming, a form of dependent types.