公开(公告)号：AU2017392846A1

公开(公告)日：2019-06-06

申请号：AU2017392846

申请日：2017-12-15

Applicant: IBM

Inventor： GIAMEI BRUCE CONRAD ,  SCHMIDT DONALD WILLIAM ,  JACOBI CHRISTIAN ,  SAPORITO ANTHONY ,  ROSA DANIEL

IPC: G06F9/48 ,  G06F9/50

Abstract: A facility is provided for collecting time-slice-instrumentation information during processing unit execution. The facility counts, at least in part, occurrence of a specified processing unit event during a time-slice of processing unit execution. The counted events occurring during a first interval of execution and a second interval of execution of the time-slice are retained. The first interval of execution is earlier in the time-slice than the second interval of execution, and the counted events facilitate adjusting performance of the processing unit. In an embodiment, the time-slice is a contiguous period of time of processing unit execution, and the specified processing unit event includes a cache event. The processing unit may interleave processing of multiple different units of work across multiple contiguous time-slices, and during a single time-slice, a single unit of work of the multiple different units of work is processed by the processing unit.

公开(公告)号：CA3037445A1

公开(公告)日：2018-07-26

申请号：CA3037445

申请日：2017-11-09

Applicant: IBM

Inventor： GREINER DAN ,  SAPORITO ANTHONY ,  SHUM CHUNG-LUNG ,  SLEGEL TIMOTHY ,  JACOBI CHRISTIAN

IPC: G06F9/30

Abstract: An instruction to perform a conditional branch to an indirectly specified location is executed. A branch address is obtained from a location in memory, the location in memory designated by the instruction. A determination is made,based on a condition code of another instruction, whether a branch is to occur, and a branch to the branch address is performed, based on determining the branch is to occur.

公开(公告)号：CA3037266A1

公开(公告)日：2018-07-26

申请号：CA3037266

申请日：2018-01-12

Applicant: IBM

Inventor： GREINER DAN ,  SLEGEL TIMOTHY ,  JACOBI CHRISTIAN ,  SAPORITO ANTHONY ,  SHUM CHUNG-LUNG

IPC: G06F12/02 ,  G06F9/30 ,  G06F9/46 ,  G06F11/07 ,  G06F11/36 ,  G06F12/0855 ,  G06F12/14

Abstract: A guarded storage facility sets up a boundary indicating a range of addresses to be guarded or protected. When a program attempts to access an address in a guarded section defined by the boundary, a guarded storage event occurs. Use of this facility facilitates performance of certain tasks within a computing environment, including storage reclamation.

公开(公告)号：CA3037292A1

公开(公告)日：2018-07-19

申请号：CA3037292

申请日：2017-12-15

Applicant: IBM

Inventor： GIAMEI BRUCE CONRAD ,  SCHMIDT DONALD WILLIAM ,  JACOBI CHRISTIAN ,  SAPORITO ANTHONY ,  ROSA DANIEL

IPC: G06F9/48 ,  G06F9/50

Abstract: A facility is provided for collecting time-slice-instrumentation information during processing unit execution. The facility counts, at least in part, occurrence of a specified processing unit event during a time-slice of processing unit execution. The counted events occurring during a first interval of execution and a second interval of execution of the time-slice are retained. The first interval of execution is earlier in the time-slice than the second interval of execution, and the counted events facilitate adjusting performance of the processing unit. In an embodiment, the time-slice is a contiguous period of time of processing unit execution, and the specified processing unit event includes a cache event. The processing unit may interleave processing of multiple different units of work across multiple contiguous time-slices, and during a single time-slice, a single unit of work of the multiple different units of work is processed by the processing unit.