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madsim

v0.2.34 Growing

Deterministic Simulator for distributed systems.

Apache-2.0 Edition 2021
AsynchronousSimulation #async#simulation#distributed-systems#deterministic

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 351 crates
  • โœ“Team maintained (2 owners)
  • !Heavy dependency tree (31 direct deps)
  • โœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
5.5M
Dependents
351
Releases
46
Size
77KB

Deep Insights

๐Ÿ“Š
Stable downloads

118.7K downloads in the last 30 days (4.0K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

351 crates depend on madsim. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (2 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 4+ years old, madsim hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

31 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include madsim-tokio, madsim-tonic, madsim-aws-sdk-s3, madsim-etcd-client, madsim-rdkafka. When high-quality crates choose madsim, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
13K/day avg-91%
050K100K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.2.33
83%
v0.2.22
7%
v0.2.30
5%
v0.2.31
3%
v0.2.34
2%

Release Timeline

46 releasessince 2021
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2021
4
2022
20
2023
11
2024
8
2025
3
2026
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Feature Flags

default =["macros", "rpc"]

rpc*ucxmacros*

README

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Maintainers

Dependencies
31
direct dependencies
Dependents
351
crates depend on madsim

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