Top "Jit" questions

Just-In-Time compilation (JIT) is a technique used to improve the performance of interpreted code by translating it to machine code.

What does a just-in-time (JIT) compiler do?

What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy …

compilation compiler-construction jit
Why is 2 * (i * i) faster than 2 * i * i in Java?

The following Java program takes on average between 0.50 secs and 0.55 secs to run: public static void main(String[] args) { long …

java performance benchmarking bytecode jit
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?

I've been hearing a lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on …

python performance jit pypy cpython
Why Python is so slow for a simple for loop?

We are making some kNN and SVD implementations in Python. Others picked Java. Our execution times are very different. I …

python performance jit
Does the Python 3 interpreter have a JIT feature?

I found that when I ask something more to Python, python doesn't use my machine resource at 100% and it's not …

python python-3.x jit
C# JIT compiling and .NET

I've become a bit confused about the details of how the JIT compiler works. I know that C# compiles down …

c# jit
Disable WerFault.exe/"Application Has Stopped Working" crash dialog

I have a development tool that's crashing on launch, and I don't get to see any error messages it throws, …

visual-studio-2005 windows-7 jit
Errors Installing Composer on macOS (JIT compilation Failed)

When I run composer --version in the macOS terminal I get the following errors: PHP Warning: preg_match(): JIT compilation …

php macos composer-php jit php-7.3
Is LuaJIT really faster than every other JIT-ed dynamic languages?

According to the computer language benchmark game, the LuaJIT implementation seems to beat every other JIT-ed dynamic language (V8, Tracemonkey, …

lua jit luajit
CLR vs JIT

What is the difference between the JIT compiler and CLR? If you compile your code to il and CLR runs …

c# compiler-construction clr jit