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plasma-umass/scalene

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals observed · 2026-08-28

github.com/plasma-umass/scalene · Python · Apache-2.0 (permissive) observed · 2026-08-28

Health v2 · maintenance only

92/100

  • Activity 95
  • Release rhythm 83
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: 20
  • age_days: 2451
  • days_rel: 113
  • days_push: 32
  • n_releases_24m: 20

Full methodology

Adoption not part of the score

13495 stars · 435 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Scalene is a high-performance CPU, GPU, and memory profiler for Python that runs much faster than many alternatives while providing detailed line-level metrics. It also offers AI-powered optimization suggestions to help identify and fix performance inefficiencies.

Use cases

  • profile python script cpu usage
  • find memory leaks in python code
  • profile gpu usage in python
  • speed up slow python program
  • get ai suggestions to optimize python code
  • line-level profiling of python functions

When to choose

  • you need combined CPU, GPU, and memory profiling for Python with low overhead
  • you want AI-assisted optimization proposals
  • you need line-level precision on where time and memory are spent

When to avoid

  • you need profiling for languages other than Python
  • you require distributed-systems or production continuous profiling rather than local script profiling
  • you cannot use cloud AI services for the optimization suggestions feature

Facets

cli-tool · maturity active

benchmarking monitoring developer-tools developer-tools performance python cli cross-platform windows profiler cpu-profiling memory-profiling gpu-profiling ai-optimization python-profiler command-line macos linux

1 source

Member repositories

RepositoryRoleHealth v2
plasma-umass/scalenemain92

For agents

markdown · JSON · MCP: product_card(name="plasma-umass/scalene")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem