What's to stop (or limit) compilers from automatically multithreading during optimization? Computer Science

What's to stop (or limit) compilers from automatically multithreading during optimization?
Resources for Quantum Computing
Computer Science or Software Engineering?
Big O notation calculus prerequisites ?

What's to stop (or limit) compilers from automatically multithreading during optimization?

Posted: 12 Oct 2019 04:26 PM PDT

With the increased focus on concurrent programming I've been wondering why more multithreading isn't done automatically in the background. I have some guesses but my knowledge of compilers / language internals is limited.

EDIT: I mean compilers rewriting code to be multithreaded. Specifically I'm curious about the theoretical limitations a compiler has for deciding if something is sequential or can be parallelized.

submitted by /u/Morninglow
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Resources for Quantum Computing

Posted: 12 Oct 2019 04:55 PM PDT

Hi, I'm an undergraduate student who studies physics and mathematics. I work in an optical properties lab at the university that I attend. This experience has made me incredibly interested in Quantum Computing and it's applications in physics in particular. The materials I work with and the papers I read frequently involve concepts involving qubits. I am now very interested in Quantum Computing and would like to know more. Where are some good places to begin?

submitted by /u/jalom12
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Computer Science or Software Engineering?

Posted: 12 Oct 2019 10:55 PM PDT

Hi! Sorry if this may seem a little odd, but I'll try explain whats going on- I'm currently a highschool student that is about to enter first year University next year, however I'm not sure yet whether to study Software Engineering or Computer Science. I was wondering if any of you guys have some insight on the different job opportunities for people who study these two courses- I've had a look at job vacancies for several companies and there seems to be a mix of careers which would prefer a Software Engineering degree, but also another bunch that would prefer Computer Science. Is there any skills in particular that one degree would have over another? I heard that Comp Sci degrees tend to lead to jobs that involve making sure systems run efficiently while Software Engineering focuses more on actually designing/ coding these systems. Interestingly, at the University of Auckland in NZ which I most likely will be attending there is a really high entry requirement to get into Software Engineering ( Engineering in general), while Computer Science is significantly easier to get into while most other uni's like Sydney etc put Computer Science equal as Software Engineering which is odd. Any advice would be greatly appreciated! Thanks

submitted by /u/ac90180
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Big O notation calculus prerequisites ?

Posted: 12 Oct 2019 07:56 AM PDT

After knowing algebra 2 what are subjects from calculus to learn big O and some algorithm study?

submitted by /u/girvain
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