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Author

Gennady Pekhimenko

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Preprint Sep 2026

Unifying In-Memory Data Analytics through Sparse Compilation

This work introduces a novel intermediate representation (IR), grounded in relational algebra and sparse iteration theory, that provides a unified abstraction for data and computation that enables workload-agnostic, end-to-end optimizations across diverse analytics applications.

Anand Jayarajan, Gennady Pekhimenko · 0 citations
Jul 2026

ArbiGraph: Arbitrarily Scalable Verifiable Task Graphs for Evaluating Context Management

ARBIGRAPH is introduced, a benchmark generator for evaluating whether tool-assisted language agents can retain, update, compose, and discard task-relevant context across extended reasoning workflows, and shows that ARBIGRAPH exposes failures that are not visible from single-task evaluation alone.

Pavel Golikov, E. Opryshko, Gennady Pekhimenko et al. · 0 citations

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