clojure/core.async
Feb 2025 – Oct 2025
2 Months active
Languages Used
Clojure
Technical Skills
ClojureConcurrencyExecutorServiceMultithreadingSystem PropertiesAsynchronous Programming
Fogus
PROFILE
Fogus
During their work on the clojure/core.async repository, Mefogus developed a unified dispatch concurrency model that streamlined thread management by merging concurrency and threadpool namespaces into a single dispatch layer. Using Clojure and leveraging JVM concurrency primitives, they introduced workload-aware threading with new macros and system property-driven executor customization, enabling more predictable and configurable performance for production workloads. Later, Mefogus enabled scalable I/O by integrating JDK 21+ virtual threads, adding runtime checks and compatibility safeguards to maintain stability across Clojure versions. Their contributions demonstrated depth in asynchronous programming, concurrency, and system properties, resulting in robust, maintainable improvements to core.async.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
2
Lines of code
415
Activity Months2
Your Network
5 people
Work History
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 focused on delivering scalable I/O capabilities in core.async through JDK 21+ virtual threads, with a configurable path controlled by a new system property. Implemented runtime checks and compatibility safeguards to maintain behavior across CLJ versions and build modes, while enabling optic to switch between classic and vthread-backed I/O machinery. The work ensures that high-concurrency I/O workloads benefit from lighter-weight threads without sacrificing compatibility or stability.
1 Commits • 1 Features
Oct 1, 2025October 2025 focused on delivering scalable I/O capabilities in core.async through JDK 21+ virtual threads, with a configurable path controlled by a new system property. Implemented runtime checks and compatibility safeguards to maintain behavior across CLJ versions and build modes, while enabling optic to switch between classic and vthread-backed I/O machinery. The work ensures that high-concurrency I/O workloads benefit from lighter-weight threads without sacrificing compatibility or stability.
October 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered a unified dispatch concurrency model for clojure/core.async, significantly simplifying thread management and improving resource utilization. The work merged the concurrency and threadpool namespaces into a single dispatch layer, introduced workload-aware threading via thread-call with a workload parameter and new thread/io-thread macros, and added user-configurable executor factories via system properties. Restored the thread-macro-executor var for compatibility, increasing stability across releases. These changes lay groundwork for more predictable performance and easier customization in production workloads. Commit highlights include ASYNC-256 (thread-call, thread, and io-thread in terms of thread-call, workload arity, and dispatch merging) and ASYNC-261 (restoration of thread-macro-executor).
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered a unified dispatch concurrency model for clojure/core.async, significantly simplifying thread management and improving resource utilization. The work merged the concurrency and threadpool namespaces into a single dispatch layer, introduced workload-aware threading via thread-call with a workload parameter and new thread/io-thread macros, and added user-configurable executor factories via system properties. Restored the thread-macro-executor var for compatibility, increasing stability across releases. These changes lay groundwork for more predictable performance and easier customization in production workloads. Commit highlights include ASYNC-256 (thread-call, thread, and io-thread in terms of thread-call, workload arity, and dispatch merging) and ASYNC-261 (restoration of thread-macro-executor).
Activity
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Quality Metrics
Correctness86.6%
Maintainability86.6%
Architecture86.6%
Performance76.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
Clojure
Technical Skills
Asynchronous ProgrammingClojureConcurrencyExecutorServiceJVMMultithreadingSystem Properties
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