GitHub user 400Ping added a comment to the discussion: [DISCUSSION] Apache 
Mahout Roadmap: Q3–Q4 2026

Thanks for putting this together @rich7420. The proposal looks good to me, and 
I think the five areas capture the current pain points well (especially 
separating the benchmark tiers and the fail-fast VRAM validation work).

One direction I'd like to add to the roadmap: distributed QDP, or more 
generally a distributed execution story for Mahout's quantum stack.

Motivation:

- QDP currently scales within a single device (batching, async prefetch, memory 
planning), but state preparation over large datasets is embarrassingly parallel 
across samples, sharding encode/prepare work across multiple GPUs or nodes is a 
natural next step.
- The memory-estimation and VRAM-validation work already on the roadmap gives 
us exactly the primitives a distributed planner would need to partition work by 
device capability.
- It also fits Mahout's history as a distributed ML project, a "distributed 
quantum data preparation" layer would be a differentiator that PennyLane/Qiskit 
don't really offer today.

Scope-wise I'd suggest starting small: multi-GPU single-node sharding of QDP 
batches first, then evaluate whether a multi-node layer (e.g. over Ray/Dask or 
plain MPI-style launchers) is worth prototyping. 

GitHub link: 
https://github.com/apache/mahout/discussions/1465#discussioncomment-18174420

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