Invention Grant
- Patent Title: Apparatus and method for using branch prediction heuristics for determination of trace formation readiness
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Application No.: US13016144Application Date: 2011-01-28
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Publication No.: US07996618B2Publication Date: 2011-08-09
- Inventor: Gordon T. Davis , Richard W. Doing , John D. Jabusch , M V V Anil Krishna , Brett Olsson , Eric F Robinson , Sumedh W Sathaye , Jeffrey R Summers
- Applicant: Gordon T. Davis , Richard W. Doing , John D. Jabusch , M V V Anil Krishna , Brett Olsson , Eric F Robinson , Sumedh W Sathaye , Jeffrey R Summers
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Joseph P. Abate; Daniel E. McConnell
- Main IPC: G06F9/40
- IPC: G06F9/40 ; G06F12/08
Abstract:
A single unified level one instruction(s) cache in which some lines may contain traces and other lines in the same congruence class may contain blocks of instruction(s) consistent with conventional cache lines. Formation of trace lines in the cache is delayed on initial operation of the system to assure quality of the trace lines stored.
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