ashhart/MCDMA
Metal Cuda Direct Memory Access
About the project
Experimental native macOS RDMA driver and userspace verbs provider for Mellanox ConnectX-5 Ex, enabling low-latency data exchange between a Mac Studio and an NVIDIA DGX Spark without TCP.
Useful for
- Build and install the MCDMA driver on a Mac Studio with a Thunderbolt-attached ConnectX-5 Ex NIC
- Benchmark RDMA WRITE and READ latency between a Mac Studio and a DGX Spark using the included tests
- Run fabric-keepalive to test how Metal GPU activity affects RDMA latency
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.
Why it’s trending
- 6 stars so far today, about 7 expected by the end of the day.
- The spike has held for 2 days in a row — not a one-off blip.
- The repository is 4 days old and already has 80 stars.
- Top new repositories this week: #155.
- Recent forks include notable developers: @aledbf (520 followers).
Stars per day
Bars are daily stars, the line is the usual pace. Red marks spike days.
Numbers
- Total stars
- 80
- Stars in a day
- 7
- Forks
- 5
- Issues and pull requests
- 3
- Watchers
- 2
- Language
- C++
- License
- Apache-2.0
- Created
- September 14, 2026
- Last push
- September 17, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Spotted in
- September 18, 2026Top new repositories this week: #113
- September 17, 2026Top new repositories this week: #124
- September 16, 2026Top new repositories this week: #179
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