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LOCATION:3008\, Level 3
DTSTART;TZID=America/Los_Angeles:20250623T160000
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UID:dac_DAC 2025_sess156_RESEARCH1425@linklings.com
SUMMARY:MEEK: Re-thinking Heterogeneous Parallel Error Detection Architect
 ure for Real-World OoO Superscalar Processors
DESCRIPTION:Zhe Jiang (Southeast University), Minli Liao (University of Ca
 mbridge), Sam Ainsworth (University of Edinburgh), Dean You (Southeast Uni
 versity), and Timothy Jones (University of Cambridge)\n\nHeterogeneous par
 allel error detection is an approach to achieving fault-tolerant processor
 s, leveraging multiple power-efficient cores to re-execute software origin
 ally run on a high-performance core.\nYet, its complex components, gatheri
 ng data cross-chip from many parts of the core, raise questions of how to 
 build it into commodity cores without heavy design invasion and extensive 
 re-engineering. \n\nWe build the first full-RTL design, MEEK, into an open
 -source SoC, from microarchitecture and ISA to the OS and programming mode
 l.\nWe identify and solve bottlenecks and bugs overlooked in previous work
 , and demonstrate that MEEK offers microsecond-level detection capacity wi
 th affordable overheads.\nBy trading off architectural functionalities acr
 oss codesigned hardware-software layers, MEEK features only light changes 
 to a mature out-of-order superscalar core, simple coordinating software la
 yers, and a few lines of operating-system code.\n\nTopics: Systems\n\nTrac
 ks: SYS2: Design of Cyber-Physical Systems and IoT\n\nSession Chairs: Stef
 ano Di Carlo (Politecnico di Torino) and Hokeun Kim (Arizona State Univers
 ity)\n\n
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