Research

Building practical, secure, and reliable computer systems — from secure cache design to accelerator reliability and branch-predictor security.

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Reliability of Accelerators against SDCs

Working on understanding the reliability of SoTA accelerators against silent data corruptions, and exploring the design space of mitigations
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Understanding the Security of Secure Randomized Caches

Identifying security knobs in modern secure randomized caches and exploring the design space of security knobs
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Practical and Secure Cache Design at Ultra-Low Cost

Proposed the Avatar cache: A morphable LLC design which provides security-on-demand with minimal design complexity and ultra-low cost
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Hardware-Efficient Secure Cache Design

Proposed the Maya Cache: A secure and storage-efficient fully-associative last-level cache design
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Branch Predictor Partitioning for Performance

Optimizing the NOP padding algorithm and working on identifying hot branches to improve their prediction rates
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Secure Cache-Line Reallocation

Exploring the idea of preferentially re-allocating dead blocks for improving performance