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Ray: unified distributed task and actor execution

Contribution grade

Distributed AI runtime systems · Human-designed research method or resource

Reference score175,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Built a dynamic task-graph runtime combining task and actor abstractions with a sharded fault-tolerant control store and bottom-up distributed scheduling for heterogeneous AI workloads.

Scientific scope

Built a dynamic task-graph runtime combining task and actor abstractions with a sharded fault-tolerant control store and bottom-up distributed scheduling for heterogeneous AI workloads. Inherits distributed task graphs and actor models. Original nine-author2017preprint is distinct from expanded eleven-author2018version. Throughput/latency and failure recovery are tested system properties, not universal scale or zero-overhead guarantees.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Inherits distributed task graphs and actor models. Original nine-author2017preprint is distinct from expanded eleven-author2018version. Throughput/latency and failure recovery are tested system properties, not universal scale or zero-overhead guarantees.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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