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DTSTART:19700308T020000
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DTSTAMP:20260730T152640Z
LOCATION:Exhibit Hall
DTSTART;TZID=America/Los_Angeles:20260728T175700
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UID:dac_DAC 2026_sess306_WIP3302@linklings.com
SUMMARY:Fast and Accurate RRAM Write-and-Verify via Hadamard-Encoded Read 
 and ADC-Energy-Reduced HARP
DESCRIPTION:Ilhuan Choi (Seoul National University); Jiwon Yoo (Yonsei Uni
 versity); and Yoona Lee, Yewon Jeong, Jason Lee, and Woo-Seok Choi (Seoul 
 National University)\n\nWe propose two circuit-aware write–verify (WV) sch
 emes for resistive-RAM (RRAM)–based analog compute-in-memory (ACiM) that r
 educe the dominant cost of analog-to-digital converters (ADCs). Hadamard-E
 ncoded Parallel-Verify (HD-PV) improves readout signal-to-noise ratio thro
 ugh Hadamard-driven vector sensing and inverse decoding, enhancing robustn
 ess without added analog hardware. Hadamard-based ADC-Energy-Reduced Paral
 lel-Verify (HARP) preserves this SNR benefit while replacing full successi
 ve-approximation-register (SAR) conversions with one-shot decisions, lower
 ing energy. On CIFAR-10, conventional WV suffers large accuracy loss, wher
 eas HD-PV and HARP keep degradation under 3% and offer up to 3× speedup, w
 ith HARP achieving the lowest overall energy.\n\nTrack: Student\n\n
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