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miohtama
11 days ago
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BareMetal OS
This is a really interesting approach. What are the main bottlenecks something like BaremetalOS solves? Context switches? Copying data forth and back userland? Something else?
actionfromafar
11 days ago
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Extreme real-time control with total control over jitter etc. Not only fast response time but predictable.
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megiddo
10 days ago
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Control over jitter would be less ideal for very tight deadlines due to branch prediction, cache misses, instruction counting, etc.
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actionfromafar
10 days ago
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Yes?
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ianseyler
10 days ago
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Correct. BareMetal (the kernel) doesn't have context switching or userland. Think of the kernel as just a hardware abstraction layer.
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