Non-uniform fast Fourier transform library of types 1,2,3 in dimensions 1,2,3 on the CPU or GPU
C-Rank Grade: A (Welcoming) - 66/100
External PR Merge Rate: 76%
Response Time: -
First Timer Success: 33%
flatironinstitute/finufft has a recorded first-timer success rate of 33.3%. Repositories ranked A typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in flatironinstitute/finufft respond to incoming external pull requests in approximately 0.0 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 65.6 places flatironinstitute/finufft in the A tier.
The external contributor pull request merge rate for flatironinstitute/finufft is 75.7%, based on public PR activity from non-core contributors.
flatironinstitute/finufft currently has 1 active issue(s) tagged with beginner-friendly labels like "good first issue", "beginner", or "up-for-grabs".
Highly encouraging & supportive maintainers (100% positive review sentiment). Active code reviews with constructive guidance for new contributors in flatironinstitute/finufft.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
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Historical health & responsiveness evolution
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
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Detected: UTC
Maintainers are most responsive around 13:00 UTC (13:00 UTC in your timezone). Recommended submission window is Tuesday - Thursday from 13:00 to 17:00 UTC (13:00 - 17:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~16 hours (95% approval). Large PRs (>500 lines) take ~115 hours (34% approval). Keep your diff compact for rapid review.
test/cuda/cufinufft* seems to do type-3 tests but not report NU to NU points. Type-2 is also incorrectly reported. Here's a 3d1 test: (base) ahb@workergpu153 /mnt/home/ahb/numerics/finufft/build> test/cuda/cufinufft3d_test 3 1 256 256 256 100000000 1e-9 1e-8 d 2.0 [time ] dummy warmup call to CUFFT 0.0029 s [time ] cufinufft plan: 0.00881 s [time ] cufinufft setNUpts: 0.0142 s [time ] cufinufft exec: 0.314 s [time ] cufinufft destroy: 0.000199 s [Method 3] 100000000 NU pts to 16777216 U pts in 0.337 s: 2.97e+08 NU pts/s (exec-only thoughput: 3.18e+08 NU pts/s) [gpu ] one mode: rel err in F[94,66,33] is 3.69e-10 Here's 3d2: note it still says NU to U (should be U to NU...): (base) ahb@workergpu153 /mnt/home/ahb/numerics/finufft/build> test/cuda/cufinufft3d_test 1 2 256 256 256 100000000 1e-9 1e-8 d 2.0 [time ] dummy warmup call to CUFFT 0.00292 s [time ] cufinufft plan: 0.00876 s [time ] cufinufft setNUpts: 0.0137 s [time ] cufinufft exec: 0.203 s [tim
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When evaluating whether to contribute to flatironinstitute/finufft, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of flatironinstitute/finufft acknowledge new external contributions in approximately -. Out of all submitted pull requests from non-core authors in the last 180-day window, 75.7% were successfully merged into the primary branch.
flatironinstitute/finufft has a recorded first-timer success rate of 33.3%. Repositories ranked Welcoming typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~-. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 65.6 places flatironinstitute/finufft in the Welcoming tier.
The external pull request merge rate is 75.7%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
Yes, flatironinstitute/finufft currently has 1 active issue(s) tagged with beginner-friendly labels. You can inspect these directly from the repository issues tab.
All metrics displayed for flatironinstitute/finufft are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.