Patent · US Active

Dynamically adjusting prefetch depth

US11301386B2 · kind B2 · utility

0Cited by

10References

20Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Mohit Karve · Austin, US
Vivek Britto · Austin, US
George W. Rohrbaugh, III · Vergennes, US

Key dates

Filing date	Aug 1, 2019
Grant date	Apr 12, 2022
Priority date	—
Expiry date	Feb 14, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG06F2212/6026
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Disclosed is a computer implemented method and system to dynamically adjust prefetch depth, the method comprising, identifying a first prefetch stream, wherein the first prefetch stream is identified in a prefetch request queue (PRQ), and wherein the first prefetch stream includes a first prefetch depth. The method also comprises determining a number of inflight prefetches, and comparing, a number of prefetch machines against the number of inflight prefetches, wherein each of the prefetch machines is configured to monitor one prefetch request. The method further includes adjusting, in response to the comparing, the first prefetch depth of the first prefetch stream.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.