Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python

UI, Frontend & Visualization

• Convert scalene-gui JavaScript to TypeScript by @emeryberger in https://github.com/plasma-umass/scalene/pull/970
• Add Google Gemini provider, environment variable support, and UI modernization by @emeryberger in https://github.com/plasma-umass/scalene/pull/973
• Vendor assets locally for offline HTML viewer support by @emeryberger in https://github.com/plasma-umass/scalene/pull/983
• Add per-file display mode dropdown for profile filtering (fixes #813) by @emeryberger in https://github.com/plasma-umass/scalene/pull/989

LLM / API Provider Support

• Add support for OpenAI-compatible API servers and Anthropic (fixes #918) by @emeryberger in https://github.com/plasma-umass/scalene/pull/971
• Add Google Gemini provider, environment variable support, and UI modernization by @emeryberger in https://github.com/plasma-umass/scalene/pull/973

CPU & Core Profiling Engine

• Optimize CPU profiling instrumentation by @emeryberger in https://github.com/plasma-umass/scalene/pull/988
• Fix crash when frame.f_lineno is None in Python 3.11+ by @emeryberger in https://github.com/plasma-umass/scalene/pull/976

Multiprocessing, Exec, and Runtime Compatibility

• Fix multiprocessing spawn mode support (#873) by @emeryberger in https://github.com/plasma-umass/scalene/pull/984
• Fix multiprocessing spawn mode sys.argv handling (#846) by @emeryberger in https://github.com/plasma-umass/scalene/pull/986
• Add profiling support for exec'd code (fixes #824) by @emeryberger in https://github.com/plasma-umass/scalene/pull/987
• Fix signal conflict crash with PyTorch Lightning and similar libraries by @emeryberger in https://github.com/plasma-umass/scalene/pull/977

PyTorch & JIT Integration

• Add PyTorch JIT profiling support (fixes #908) by @emeryberger in https://github.com/plasma-umass/scalene/pull/972

GPU & Apple Silicon

• Add per-process MPS GPU profiling for Apple Silicon by @emeryberger in https://github.com/plasma-umass/scalene/pull/974

Windows Support & Reliability

• Improve Windows memory profiling error messages and documentation by @emeryberger in https://github.com/plasma-umass/scalene/pull/978
• Fix Windows CPU profiling not collecting samples by @emeryberger in https://github.com/plasma-umass/scalene/pull/980

Notebook & Editor Integration

• Fix Jupyter notebook display in VSCode (fixes #951) by @emeryberger in https://github.com/plasma-umass/scalene/pull/969