{"library":"scalene","title":"Scalene: CPU, GPU, and Memory Profiler","description":"Scalene is a high-resolution, low-overhead profiler for Python that analyzes CPU, GPU, and memory usage, providing AI-powered optimization suggestions. It's actively developed with frequent releases, typically addressing bug fixes, performance improvements, and compatibility updates for various Python versions and ecosystems.","language":"python","status":"active","last_verified":"Sun May 17","install":{"commands":["pip install scalene"],"cli":{"name":"scalene","version":"Scalene version 2.3.0 (2026.05.08)"}},"imports":["from scalene import scalene_profiler"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"# my_script.py\nimport time\nimport math\n\ndef calculate_heavy_stuff(n):\n    result = 0\n    for _ in range(n):\n        result += math.sin(math.sqrt(time.time()))\n    return result\n\ndef main():\n    print(\"Starting heavy calculations...\")\n    calculate_heavy_stuff(1000000) # Perform 1 million iterations\n    print(\"Calculations finished.\")\n\nif __name__ == \"__main__\":\n    main()\n\n# To run the profiler from your terminal:\n# python -m scalene my_script.py","lang":"python","description":"Create a Python script (e.g., `my_script.py`) and then run Scalene from the command line using `python -m scalene my_script.py`. Scalene will generate a detailed profile in your terminal or an HTML report.","tag":null,"tag_description":null,"last_tested":null,"results":[]},"compatibility":{"tag":null,"tag_description":null,"last_tested":"2026-05-17","installed_version":"2.3.0","pypi_latest":"2.3.0","is_stale":false,"summary":{"python_range":"3.10–3.9","success_rate":50,"avg_install_s":7.1,"avg_import_s":1.09,"wheel_type":"wheel"},"results":[{"runtime":"python:3.10-alpine","python_version":"3.10","os_libc":"alpine (musl)","variant":"scalene","exit_code":1,"wheel_type":null,"failure_reason":"build_error","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":"scalene","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":7.6,"import_time_s":0.67,"mem_mb":18.1,"disk_size":"118M"},{"runtime":"python:3.11-alpine","python_version":"3.11","os_libc":"alpine (musl)","variant":"scalene","exit_code":1,"wheel_type":null,"failure_reason":"build_error","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":"scalene","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":6.8,"import_time_s":1.21,"mem_mb":19.9,"disk_size":"128M"},{"runtime":"python:3.12-alpine","python_version":"3.12","os_libc":"alpine (musl)","variant":"scalene","exit_code":1,"wheel_type":null,"failure_reason":"build_error","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":"scalene","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":6.1,"import_time_s":1.4,"mem_mb":19.5,"disk_size":"116M"},{"runtime":"python:3.13-alpine","python_version":"3.13","os_libc":"alpine (musl)","variant":"scalene","exit_code":1,"wheel_type":null,"failure_reason":"build_error","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":"scalene","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":6.4,"import_time_s":1.33,"mem_mb":19.3,"disk_size":"115M"},{"runtime":"python:3.9-alpine","python_version":"3.9","os_libc":"alpine (musl)","variant":"scalene","exit_code":1,"wheel_type":null,"failure_reason":"build_error","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":"scalene","exit_code":0,"wheel_type":"wheel","failure_reason":null,"import_side_effects":"clean","install_time_s":8.8,"import_time_s":0.84,"mem_mb":17.5,"disk_size":"127M"}]}}