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Parthasarathy Ranganathan

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Preprint Sep 2026

Presage: Prefetch Search via Agent-Guided Experiments

It is shown that semantic understanding and reasoning about a program is a vital component in inserting effective software prefetches, and that prefetching at the scale of large codebases poses new challenges, including prefetch codependence and interference.

Matthew Giordano, Parthasarathy Ranganathan, Baris Kasikci et al. · 0 citations
#artificial intelligence Review Open access Sep 2026

ScientistTwo: Pioneering the Human Knowledge Frontier with Autonomous AI

The introduction of ScientistTwo, a fully autonomous multi-agent framework designed to realize problem-driven autonomous research, and its results show that ScientistTwo is not merely an assistive tool but an autonomous scientific pioneer capable of pushing the frontiers of human discovery.

Jaehyun Nam, Jinsung Yoon, Yan Pan et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Design Docs Are All You Need: An AI-native Machine-Learning Performance Tool

SMART is described, a rigorous symbolic performance-modeling library for ML systems whose main branch contains almost no code, and Regenerated implementations reproduce hand-audited reference models to round-off precision, suggesting that design docs can be the durable artifact for ML-systems co-design tools.

Samuel Kushnir, Kimia Noorbakhsh, Kavya Sreedhar et al. · 0 citations
Preprint Aug 2026

ArchAgent v2: A Case Study with the Data Prefetching Championship

This work presents ArchAgent v2, a framework which scales automated microarchitecture search to multi-level data prefetching and introduces two new additions to ArchAgent: a cascaded evolutionary search that subdivides the design space by sequentially evolving and freezing prefetchers at individual cache levels, and a...

Abraham Gonzalez, Raghav Gupta, Akanksha Jain et al. · 0 citations
Preprint Jul 2026

Themis: Software-Defined Hardware Prefetching

Themis is a profile-guided hardware prefetching solution that implements a novel hardware-software interface for data prefetching: the software directs the hardware on where to prefetch, and the hardware identifies and issues prefetches in the regions of interest.

Keisuke Kamahori, Neil Adit, Kan Zhu et al. · 0 citations
Jul 2026

AI for Systems is "AGI-Complete"

It is shown that solving systems problems such as resource scheduling and code optimization requires reasoning that is fundamentally as hard as any reasoning problem a human might have to solve, which makes systems problems a promising target for AGI research, and that both the AI and systems community should investiga...

Martin Maas, M. Hashemi, Kathryn S. McKinley et al. · 1 citation · ⚡1
Review Aug 2026

Characterizing the Quality Profile of AI-Generated C++ in Production

AI-generated C++ code has a distinct quality profile, showing higher rates of interface and coupling burdens, copy and allocation overheads, and a reliance on explicit loops over optimized standard APIs, which translates into tangible downstream costs, including increased review effort and a 5-8% increase in compute re...

Michael Tran, Fred Lewis, Kun Yang et al. · 1 citation

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