Using Concurrency and ParallelismE ffectively – II
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loginIn the second part of Using Concurrency and Parallelism Effectively we look at how parallelism can be exploited in a variety of modern computing system environments. These include networked and distributed systems, clusters of workstations and, of course multi-core processors. Multi-core processors have now become ubiquitous and it is nigh on impossible to buy any form of off-the-shelf computing system that does not contain a multi-core processor. One key advantage of using a system based upon the Java Virtual Machine is that we can make use of multi-core processors without any additional effort because the parallel constructs used in this book are able to make immediate and effective use of multi-core processors without any additional effort on the part of the programmer other than ensuring that their code contains sufficient parallel components to utilise the cores. The crucial advantage of the underlying JCSP package is that the definition of the processes does not change as we move from an interleaved concurrent implementation to truly parallel system in which processes are run of different cores or processors over a network. All that changes is the manner in which the processes are invoked.
