Intel and AMD processors have long supported more than one large page sizes – 1GB and 2MB, to reduce address translation overheads for applications with large memory footprints. However, previous works on large pages have primarily focused on 2MB pages, partly due to a lack of evidence on the usefulness of 1GB pages to real-world applications. Consequently, micro-architectural resources devoted to 1GB pages have gone underutilized for a decade.
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Ram et al. (2021) studied this question.
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