User Manual

• Overview
• Getting started
  • Compatibility
  • Installing using Conda
  • Installing from source
  • Checking your installation
• Compiling Python code with @jit
  • Basic usage
    • Lazy compilation
    • Eager compilation
  • Calling and inlining other functions
  • Signature specifications
  • Compilation options
    • nopython
    • nogil
    • cache
    • parallel
• Flexible specializations with @generated_jit
  • Example
  • Compilation options
• Creating Numpy universal functions
  • The @vectorize decorator
  • The @guvectorize decorator
  • Dynamic universal functions
• Compiling python classes with @jitclass
  • Basic usage
  • Support operations
  • Limitations
  • The decorator: @jitclass
• Creating C callbacks with @cfunc
  • Basic usage
  • Example
  • Dealing with pointers and array memory
  • Signature specification
  • Compilation options
• Compiling code ahead of time
  • Overview
    • Benefits
    • Limitations
  • Usage
    • Standalone example
    • Distutils integration
    • Signature syntax
• Automatic parallelization with @jit
  • Supported Operations
  • Examples
• Troubleshooting and tips
  • What to compile
  • My code doesn’t compile
  • The compiled code is too slow
  • Disabling JIT compilation
  • Debugging JIT compiled code with GDB
    • Example debug usage
    • Globally override debug setting
  • Debugging CUDA Python code
    • Using the simulator
    • Debug Info
• Frequently Asked Questions
  • Programming
    • Can I pass a function as an argument to a jitted function?
    • Numba doesn’t seem to care when I modify a global variable
    • Can I debug a jitted function?
    • How can I create a Fortran-ordered array?
    • How can I increase integer width?
  • Performance
    • Does Numba inline functions?
    • Does Numba vectorize array computations (SIMD)?
    • Does Numba parallelize code?
    • Can Numba speed up short-running functions?
    • There is a delay when JIT-compiling a complicated function, how can I improve it?
  • Integration with other utilities
    • Can I “freeze” an application which uses Numba?
    • I get errors when running a script twice under Spyder
    • Why does Numba complain about the current locale?
• Examples
  • Mandelbrot
  • Moving average
  • Multi-threading