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Shared-memory concurrency is the prevalent paradigm used for developing parallel applications targeted towards small- and middle-sized machines, but experience has shown that it is hard to use. This is largely caused by synchronization primitives which are low-level, inherently nondeterministic, and, consequently, non-intuitive to use. In this paper, we present the Nornir run-time system. Nornir is...
Experience has shown that development using shared-memory concurrency, the prevalent parallel programming paradigm today, is hard and synchronization primitives nonintuitive because they are low-level and inherently nondeterministic. To help developers, we propose Kahn process networks, which are based on message-passing and shared-nothing model, as a simple and flexible tool for modeling parallel...
Software development tools have not adapted to the growing popularity of multi-core CPUs, and developers are still "stuck"' with low-level and high-cost thread abstractions. The situation is becoming even more complicated with the advent of heterogenuous computing. In this article, we point out some drawbacks of high-level abstractions currently in use, and propose Kahn process networks...
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