{"library":"numba","title":"Numba: High Performance Python Compiler","description":"Numba is an open-source, NumPy-aware optimizing Just-In-Time (JIT) compiler for Python. It translates a subset of Python and NumPy code into fast machine code using the LLVM compiler library, enabling numerical algorithms to approach the speeds of C or Fortran without requiring a separate compilation step. Numba is currently at version 0.64.0 and maintains a regular release cadence, often coinciding with Python and NumPy releases.","language":"python","status":"active","last_verified":"Tue May 12","install":{"commands":["pip install numba"],"cli":null},"imports":["from numba import jit","from numba import njit","from numba import guvectorize"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import numpy as np\nfrom numba import njit\n\n@njit\ndef sum_array(arr):\n    total = 0.0\n    for x in arr:\n        total += x\n    return total\n\n# Example usage\ndata = np.arange(1000000, dtype=np.float64)\nresult = sum_array(data)\nprint(f\"Sum of array: {result}\")","lang":"python","description":"This quickstart demonstrates the core usage of Numba's `@njit` decorator to compile a Python function for numerical computation. The function `sum_array` iterates over a NumPy array, and when decorated with `@njit`, Numba compiles it to highly optimized machine code at runtime, significantly speeding up its execution compared to pure Python.","tag":"draft","tag_description":"notable failures across runtimes","last_tested":"2026-04-23","results":[{"runtime":"python:3.10-alpine","exit_code":1},{"runtime":"python:3.10-slim","exit_code":0},{"runtime":"python:3.11-alpine","exit_code":1},{"runtime":"python:3.11-slim","exit_code":0},{"runtime":"python:3.12-alpine","exit_code":1},{"runtime":"python:3.12-slim","exit_code":0},{"runtime":"python:3.13-alpine","exit_code":1},{"runtime":"python:3.13-slim","exit_code":0},{"runtime":"python:3.9-alpine","exit_code":0},{"runtime":"python:3.9-slim","exit_code":0}]},"compatibility":{"tag":"draft","tag_description":"notable install failures or slow imports","last_tested":"2026-05-12","installed_version":null,"pypi_latest":null,"is_stale":null,"summary":{"python_range":"3.10–3.9","success_rate":50,"avg_install_s":null,"avg_import_s":1,"wheel_type":null},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"numba","exit_code":1,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":null},{"runtime":"python:3.10-slim","python_version":"3.10","os_libc":"slim (glibc)","variant":"numba","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.96,"mem_mb":22.6,"disk_size":"274M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"numba","exit_code":1,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":null},{"runtime":"python:3.11-slim","python_version":"3.11","os_libc":"slim (glibc)","variant":"numba","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":1.01,"mem_mb":25.4,"disk_size":"288M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"numba","exit_code":1,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":null},{"runtime":"python:3.12-slim","python_version":"3.12","os_libc":"slim (glibc)","variant":"numba","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":1.05,"mem_mb":24.8,"disk_size":"275M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"numba","exit_code":1,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":null},{"runtime":"python:3.13-slim","python_version":"3.13","os_libc":"slim (glibc)","variant":"numba","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":1.03,"mem_mb":24,"disk_size":"274M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"numba","exit_code":1,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":null,"mem_mb":null,"disk_size":null},{"runtime":"python:3.9-slim","python_version":"3.9","os_libc":"slim (glibc)","variant":"numba","exit_code":0,"wheel_type":null,"failure_reason":null,"import_side_effects":null,"install_time_s":null,"import_time_s":0.92,"mem_mb":21.3,"disk_size":"251M"}]}}