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    Friday, August 27, 2021

    Radically Different CPUs/Computer Architectures In Production Today? Computer Science

    Radically Different CPUs/Computer Architectures In Production Today? Computer Science


    Radically Different CPUs/Computer Architectures In Production Today?

    Posted: 26 Aug 2021 10:40 AM PDT

    From my limited understanding, most computer architectures today are organized as register machines that operate on raw integers, floating point numbers (or vectors thereof), or raw pointers. However, computer architectures of the past have been radically different. For example, the Burroughs Large Systems of the 1960s https://en.wikipedia.org/wiki/Burroughs_large_systems, had a stack-based architecture in hardware, which can be thought of as basically a JVM in hardware. Additionally, special computer architectures have been developed for different programming languages; i.e., Lisp machines https://en.wikipedia.org/wiki/Lisp_machine had a tagged architecture that could make them easily handle the dynamically-typed nature of Lisp. Furthermore, the Transputer https://en.wikipedia.org/wiki/Transputer chips were designed for massively parallel computing applications.

    Although these architectures have somewhat influenced modern computer architecture, modern computer architectures are very similar to each other and it seems like there isn't much creativity here. Therefore, I would like to know whether there are any CPUs/microcontrollers/other computing systems that are being manufactured today that are radically different from modern CPUs.

    submitted by /u/pipelines-whee
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    Asking General Public Responses of AI

    Posted: 27 Aug 2021 01:43 AM PDT

    Prior, currently I enrolled in Philosophy of Computer Science course. And for introductory, we asked to gather public opinion about current AI (whether about ethics or development).

    So I need your opinion, anything, about that. One simple sentence would be enough. For example: "Peoples exaggerating and overestimating what AI can do. In the end, its just some simple program designed to help us human."

    Thanks before.

    submitted by /u/raidororo
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    How to analyze mixture of algorithms? Merge + Insertion sort, theoretical analysis

    Posted: 27 Aug 2021 01:20 AM PDT

    I am trying to analyze the complexity (both theoretical and empirical analysis. I read that in the real world use-case (by my prof) that we use a mixture of merge and insertion sort. When the sub-arrays are small enough (how small?), we will use insertion sort on the smaller sub-arrays.

    I understand that for Merge sort, it is O(n log n) for general cases whereas for Insert Sort, it is O(n) for best case, O(n^2) for worst case.

    How can I do a theoretical analysis on this mixture of algorithms?

    As I understand for empirical analysis, I can simply feed the program a collection of dataset and measure the number of comparisons & swaps.

    submitted by /u/cocag13996
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    Can anyone help me with a computer theory question?

    Posted: 26 Aug 2021 04:03 PM PDT

    The question is "Give a recursive definition to define the length of a string over an alphabet Σ."

    I get the concept of recursion, but using only variables kind of stumps me.

    submitted by /u/Snargleflop
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    can anyone provide me a movie database website

    Posted: 27 Aug 2021 03:14 AM PDT

    i need a movie database website built on html css js and in backend there should be php and mysql where we can see info and reviews about movies and actors . if anyone have it provide me a link or something that would be grateful

    submitted by /u/AnkitAryan26
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