A DSEL for Addressing the Problems Posed by Parallel Architectures (original) (raw)
Computers with multiple pipelines have become increasingly prevalent, hence a rise in the available parallelism to the programming community. For example the dual-core desktop workstations to multiple core, multiple processors within blade frames which may contain hundreds of pipelines in data centres, to state-of-the-art mainframes in the Top500 supercomputer list with thousands of cores and the potential arrival of next-generation cellular architectures that may have millions of cores. This surfeit of hardware parallelism has apparently yet to be tamed in the software architecture arena. Various attempts to meet this challenge have been made over the decades, taking such approaches as languages, compilers or libraries to enable programmers to enhance the parallelism within their various problem domains. Yet the common folklore in computer science has still been that it is hard to program parallel algorithms correctly. This paper examines what language features would be required to...
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