Optimizing Datalog for the GPU

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TLDR

  • Explores techniques for accelerating Datalog query evaluation on GPU hardware, targeting the fixpoint computation at its core.

Key Takeaways

  • Datalog evaluation relies on iterative fixpoint computation over relations, a workload that maps naturally to bulk parallel operations on GPUs.
  • The central challenge is handling recursive rules efficiently: GPU memory access patterns and synchronization differ sharply from CPU-optimized Datalog engines like Souffle.
  • GPU acceleration of Datalog is directly relevant to program analysis, static analysis pipelines, knowledge graph reasoning, and Datalog-as-query-engine use cases.
  • Parallelizing relation joins and union operations at scale is where GPU throughput gains would be most pronounced over CPU baselines.

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