Concurrent Clustered Programming

d Abstract) Vijay Saraswat1 and Radha Jagadeesan2 1 IBM T.J. Watson Research Lab 2 School of CTI, DePaul University Abstract. We present the concurrency and distribution primitives of X10, a modern, statically typed, class-based object-oriented (OO) programming language, designed for high productivity programming of scalable applications on high-end machines. The basic move in the X10 programming model is to reify locality through a notion of place, which hosts multiple data items and activities that operate on them. Aggregate objects (such as arrays) may be distributed across multiple places. Activities may dynamically spawn new activities in mulitple places and sequence them through a finish operation that detects termination of activities. Atomicity is obtained through the use of atomic blocks. Activities may repeatedly detect quiescence of a data-dependent collection of (distributed) activities through a notion of clocks, generalizing barriers. Thus X10 has a handful of orthogonal ...

• Type: Conference
• Year: 2005
• Where: CONCUR
• Authors: Vijay A. Saraswat, Radha Jagadeesan
• Keywords: Atomic Blocks, CONCUR 2005, Conditional Atomic Blocks, Watson Research Lab