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_posts/2024-7-19-Polymorphic-Error-Correction-to-appear-in-MICRO-2024.md
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layout: post | ||
title: "My paper ''Polymorphic Error Correction'' was accepted to MICRO-2024!" | ||
comments: true | ||
description: "Dissemination of research ideas" | ||
keywords: "paper, MICRO’57" | ||
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My paper titled ''Polymorphic Error Correction'' was accepted to MICRO-2024. | ||
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The paper's main idea is to co-design for security and reliability. We assume | ||
that the baseline system already comes with MACs for data integrity (e.g., Intel | ||
TDX) and standard level of ECC, i.e., Intel's SDDC. | ||
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We design a new scheme with iterative error correction (like Intel's SDDC) that | ||
relies on MAC verification to validate the correction outcome. To improve error | ||
coverage, we design a novel ECC scheme that can reinterpret the same set of ECC | ||
check bits for any fault model. In other words, you encode the check bits once, | ||
like with any other error correction method, but the decoding can be done for a | ||
variety of fault models: ChipKill, Single Symbol Correction, Double-bit error, | ||
Tripple-bit Error, Double Bounded Fault, etc. Thus, unlike conventional error | ||
correction schemes with limited fault model support, Polymorphic ECC corrects | ||
more errors. We evaluated our scheme on a series of DDR4-based Rowhammer | ||
patterns and found that Polymorphic ECC corrects more patterns than other | ||
state-of-the-art ECC schemes. | ||
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