PyPI Stats
ymd-h

cpprb

Fast Flexible Replay Buffer Library (Mirror repository of https://gitlab.com/ymd_h/cpprb)
PyPI GitHub
Downloads
Day
72
Week
2.3K
Month
12.7K
Stars
77
Forks
10
Issues
0
Version
11.0.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
40
Popularity
36
Adoption
41
Community
10
How the maintenance status was determined
Last commit
508 days ago
Monthly downloads
12,729
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
• At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
12,729
Stars
77
Stars per 1k downloads
6.05
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
333
Month daily avg
424
Momentum
-21.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
• Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
MIT License
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
696 days ago
Total releases
108
Releases/year
15.2
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
• Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
3
Monthly downloads
12,729
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
38
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
30.0%
contrib / forks
Stale Release
188d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 63

Python Versions

3.10
68.4% 39
3.8
10.5% 6
3.11
7.0% 4
3.12
7.0% 4
3.7
7.0% 4

Top Countries

1. RU RU
107
2. US US
52
3. GB GB
31
4. SG SG
14
5. CA CA
1
6. CN CN
1

Dependencies

1
22 optional dependencies

Used By

2

Package Information

License
MIT License
First Release
April 7, 2019
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
11.0.0
Total Releases
108
Contributors
3
Open PRs
0
Archived
No
Author
Yamada Hiroyuki
Python Versions
3
Wheels
cp310 cp311 cp312 cp35 cp36 cp37 cp38 cp39
Topics
reinforcement-learning python3 cython machine-learning
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links