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Overview:
This paper describes an extension to Kent Retargetable occam Compiler (KRoC), which enables the execution of a blocking call, without blocking the occam-kernel. Blocking calls are implemented using Linux clones which communicate using shared memory, and synchronise using kernel level semaphores. However, this mechanism is not limited to blocking in the Linux kernel. On multiprocessor machines, the clones are quite free to be scheduled on different processors, allowing computationally heavy processing to be performed aside the occam world, but still with a reasonable level of interaction with it. Using them in this way provides a coarse-grained level of parallelism from within the fine-grained occam world.
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| Format: | Size: | 517 KB | |
| Pages: | 24 |
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