Is there a language with lisp syntax but C semantics?

• Petalisp

  17 424 8.5 Common Lisp

  Elegant High Performance Computing

While not "as fast as C" (C is not the absolute pinnacle of performance), Common Lisp is incredibly fast compared to the majority of programming languages around today. There is even a huge amount of ongoing work being done to make it faster still. We are seeing many interesting projects that make better use of the hardware in your computer (e.g. https://github.com/marcoheisig/Petalisp).

• wcl

  2 75 10.0 Common Lisp

Github: https://github.com/wadehennessey/wcl

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• dale

  5 1,016 3.8 C++

  Lisp-flavoured C

There's Dale, Extempore (more particularly, XTlang which is the statically-typed part of Extempore), Carp, and one more that I can't remember right now that basically maps to C++, more-or-less directly.

• Carp

  84 5,393 0.7 Haskell

  A statically typed lisp, without a GC, for real-time applications.

  

There's Dale, Extempore (more particularly, XTlang which is the statically-typed part of Extempore), Carp, and one more that I can't remember right now that basically maps to C++, more-or-less directly.

• Numba

  124 9,432 9.9 Python

  NumPy aware dynamic Python compiler using LLVM

  

this was a submission from u/bpecsek and shows that lisp with sbcl can do quite well on bench-marking. but keep in mind that these sort of benchmarks can't tell you much about real world applications. moreover if you are really concerned about niche performance you need to start thinking about compilers. heck with an appropriate compiler even python can go wrooom

• FFTW

  3 2,586 4.2 C

  DO NOT CHECK OUT THESE FILES FROM GITHUB UNLESS YOU KNOW WHAT YOU ARE DOING. (See below.)

  

i dont buy it. you can write fft in any language. fftw for example is written in ocaml which generates c. maintainers of the package even reccomend against playing with c directly. moreover i dont see why you cant do something similar in lisp if you really wanted to

• c-mera

  7 383 0.0 Common Lisp

  Next-level syntax for C-like languages :)

c-mera does exist.

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