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by rptb1
5020 days ago
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Yes indeed I'm very aware of this. The overall architecture and abstractions can support efficient multi-core operation, but the implementation is behind. Development is mostly paid for by single-threaded clients at the moment! But I have plans. Well spotted, by the way. Most of the problems are around the bottleneck of stopping threads on other cores in order to get privileged access to memory while preserving their consistent view of the heap. What the MPS needs is its own protection map. Most OSs don't help much with that, although Mac OS X, for a while, allowed you to map the same physical RAM at two addresses with different protections. Sadly, no longer. |
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