Hello Everybody, On Fri, Apr 9, 2021 at 12:52 PM David Mason via talk <[email protected]> wrote:
> On Apr 9, 2021, 11:51 AM -0400, Len Sorensen via <[email protected]>, wrote: > > But using a loop means you are telling the system how to do things, > rather than telling it what you want done and letting it (usually) do > a better job at the how. After all with a loop you are controlling the > excution order of the processing. If done right you usually shouldn't > need to care. > > Another fine example of this is with Rust where you can write very > natural, idiomatic, safe, code and then trust the compiler to mostly > optimize most perceived overhead away. In fact there are often > optimizations that Rust can do that C compilers can’t do. > > Here is a very interesting series of articles where someone takes a > heavily optimized C program, converts it to Rust - with progressively more > idiomatic versions, and ends up with a Rust program 3% faster than C > (clang) and 20% faster than C (gcc), then rewrites it using the natural > Rust iterators rather than indexing loops and it’s now 27% faster than > clang!! http://cliffle.com/p/dangerust/ > > But yes functional languages require a different philosophy. Functional > languages are not for people that want to micromanage the computer. > > The point is, apart from academic exercises, the percentage of people who > *need* to micromanage the computer is getting vanishingly small. I would > say measured in the low thousands, but hundreds is probably more accurate. > Unless you’re writing a compiler, interpreter or for an application where > the computer has to add no more than $0.25 to the cost of the product, you > really shouldn’t care. > > It really is time for C to go away! But TIOBE doesn’t agree > https://www.tiobe.com/tiobe-index/ with C back to #1 and assemble up to > #14!!!! (While Rust is #29) Just shows how important my opinion is!! > > This is simply an attempt to inform and educate ( i am not trying to start any flame wars ). This article I feel describes aptly why C will not go away. https://drewdevault.com/2019/03/25/Rust-is-not-a-good-C-replacement.html Thanks - Aruna :: ../Dave > --- > Post to this mailing list [email protected] > Unsubscribe from this mailing list > https://gtalug.org/mailman/listinfo/talk >
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