What does the 50.4 C-Rank™ score (B Tier) represent?

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 50.4 places HKUSTDial/flash-sparse-attention in the B tier.

Are there Good First Issues available in HKUSTDial/flash-sparse-attention?

HKUSTDial/flash-sparse-attention does not currently have active "good first issue" tags indexed, but accepts external contributions through standard GitHub issue tracking.

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HKUSTDial/flash-sparse-attention

Q: How fast can I expect code review feedback on my pull request?

Maintainers in HKUSTDial/flash-sparse-attention 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.

Q: What is the external contributor pull request merge rate for HKUSTDial/flash-sparse-attention?

The external contributor pull request merge rate for HKUSTDial/flash-sparse-attention is 37.5%, based on public PR activity from non-core contributors.

762

InactiveB•Solid(50/100)Low Sample (<20 PRs)Python

Trainable fast and memory-efficient sparse attention

GitHub

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AI Maintainer Review Guidelines

Review Persona

Empathetic Technical Mentor

Warmth Score

7.5/10

Patience Score

8.2/10

Nitpick Rate

20%

Collaborative maintainer environment in HKUSTDial/flash-sparse-attention. Reviews community pull requests with focus on project quality.

What Contributors Actually Say

Discussions in HKUSTDial/flash-sparse-attention focus heavily on practical implementation feedback, code formatting standards, and issue reproduction details.

Hidden Friction Signals

Unlinked PRs without issue context and changes that fail automated test suites face the highest review friction.

Unwritten Rules

•1) Keep PR scope strictly aligned with the linked issue.
•2) Ensure local linters pass before opening a review.
•3) Maintain full test coverage for modified logic.

Top PR Submission Do's

•Ensure code complies with the project coding style
•Keep PRs scoped to a single concern
•Include context and link to the related issue

Top PR Friction Pitfalls (Don'ts)

•Do not submit PRs without linking an issue
•Do not break existing tests without fixing them
•Do not mix unrelated refactors in a single PR

Response Velocity

No reviewer activity recorded

Average Response Latency

Tracks hours until a maintainer leaves a review, comment, or PR response.

Merge Efficiency

37.5%

Moderate PR acceptance rate

External Acceptance Rate

Percentage of community pull requests successfully merged into main.

First-Timer Success

100.0%

Strong first-timer PR acceptance rate

First PR Conversion

Rate at which developers submitting their first repository PR succeed.

Active Maintainers

1 core

Single maintainer review bottleneck

Diagnostic Health HUD

37.5%

Merge Gauge

100.0%

1st-Timer

Community Vibe45/100

Embed C-Rank Badge

Show contributors that your repository actively reviews and merges external pull requests.

[![GetMerged C-Rank](https://getmerged.abhishekco.de/api/badge/HKUSTDial/flash-sparse-attention)](https://getmerged.abhishekco.de/HKUSTDial/flash-sparse-attention?utm_source=github&utm_medium=badge)

90-Day C-Rank Trajectory

10 snapshots

Historical health & responsiveness evolution

50.4/100B

Oct 13

+2.8

Sep 2Range: 43.6 – 55.3 ptsOct 13

PR Acceptance & Review Speed Forecast

Precomputed via Live PR Events

Overall Merge Odds

37.5%

External PR acceptance

First-Timer Rate

100.0%

First PR success rate

Median Response (p50)

N/A

50% receive response in

Tail Latency (p90)

N/A

90% receive response in

Active Maintainers: 1

Optimal PR Submission Window

Maintainer review activity heatmap & prime window prediction

Monday - WednesdayConfidence: 40%

Peak Review Hour

07:00 UTC

Calculating local time...

Primary Window

06:00 - 10:00 UTC

Calculating local time...

Active Maintainers

2 Tracked

Detected: UTC

24-Hour Maintainer Activity Heatmap (UTC)

LowPeak

00:0006:0012:0018:0023:00

Maintainers are most responsive around 07:00 UTC (07:00 UTC in your timezone). Recommended submission window is Monday - Wednesday from 06:00 to 10:00 UTC (06:00 - 10:00 UTC local).

PR Size vs Review Speed

Best Pull Request Size for HKUSTDial/flash-sparse-attention

Sweet Spot: < 150 lines

Small (<150 LOC)Recommended

16havg review

47% Merge Approval

Medium (150–500 LOC)Normal

1.5davg review

36% Merge Approval

Large (>500 LOC)Slow

4.8davg review

17% Merge Approval

Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~16 hours (47% approval). Large PRs (>500 lines) take ~115 hours (17% approval). Keep your diff compact for rapid review.

Active Good First Issues (0)

View on GitHub

No cached good first issues currently tracked for HKUSTDial/flash-sparse-attention.

View all good first issues directly on GitHub

Looking for more Python beginner tasks?Explore Python GFI

Contributor Community Vibe Feedback

Rate what actually matters after opening a pull request here.

Have you contributed to this repo?

Rate your first-hand PR experience (review speed, maintainer responsiveness, and onboarding ease) to help other contributors.

3 ratings required

Maintainer helpfulness

Review speed

Beginner friendliness

Contributor Compatibility & Review Speed Analysis for HKUSTDial/flash-sparse-attention

When evaluating whether to contribute to HKUSTDial/flash-sparse-attention, 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 HKUSTDial/flash-sparse-attention acknowledge new external contributions in approximately -. Out of all submitted pull requests from non-core authors in the last 180-day window, 37.5% were successfully merged into the primary branch.

Frequently Asked Questions - Contributing to HKUSTDial/flash-sparse-attention

Is HKUSTDial/flash-sparse-attention welcoming to first-time open-source contributors?

HKUSTDial/flash-sparse-attention has a recorded first-timer success rate of 100.0%. Repositories ranked Solid typically provide actionable feedback during code reviews and actively nurture new community contributors.

How fast can I expect code review feedback on my pull request?

The initial maintainer response time averages ~-. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.

What does the 50.4 C-Rank™ score represent?

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 50.4 places HKUSTDial/flash-sparse-attention in the Solid tier.

What is the external contributor pull request merge rate for HKUSTDial/flash-sparse-attention?

The external pull request merge rate is 37.5%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.

Are there beginner Good First Issues open in HKUSTDial/flash-sparse-attention?

HKUSTDial/flash-sparse-attention does not have open beginner labels indexed currently, but external PRs for bugs and documentation improvements are evaluated via normal issue triage.

GetMerged C-Rank™ Indexing Standard

All metrics displayed for HKUSTDial/flash-sparse-attention 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.