Sifive, Inc.

Benoy Alexander

John Ingalls

Mohit Gopal Wani

Described is a translation lookaside buffer (TLB) prefetcher with multi-level TLB prefetches and feedback architecture. A processing system includes two or more translation lookaside buffer (TLB) levels, each TLB level including a miss queue, and a TLB prefetcher connected to each of the two or more TLB levels. The TLB prefetcher configured to receive feedback from the miss queue at each TLB level for previously sent TLB prefetches and control number of TLB prefetches sent for a trained TLB entry to each TLB level of the two or more TLB levels based on the feedback.

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Cedar Park, TX, United States of America

Benoy Alexander