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Technology Stocks : Qualcomm Moderated Thread - please read rules before posting -- Ignore unavailable to you. Want to Upgrade?

To: engineer who wrote (133319)	12/20/2016 2:58:24 PM
From: Qurious	Respond to of 196482

You can't get rid of Linux. That's like saying you can build a better phone by replacing the std 3G/4G stack with your own proprietary stack. Or build your own phone OS. Good luck with that. The Linux kernel is complex, yes. But even the cleanest, minimalist kernel implemented, say, in microcode in the most elegant multi-core architecture would still have to contend with the same SMP coherency/lock issue. SMP is simple and thus feasible precisely because while each core runs its own copy of the OS all those copies share one single copy of OS data. It is this shared system data paradigm which necessitates the need for complex, error prone, scalability-defeating spin locks and other strategies to ensure atomic operations on critical shared data structures. The problem is system-theoretic and endemic to SMP. To get away from this problem, you have to get away from SMP. Which, as noted, is still a research topic after 50 years of research.