公开(公告)号：BR112014017828A2

公开(公告)日：2017-06-20

申请号：BR112014017828

申请日：2012-11-13

Applicant: IBM

Inventor： GAINEY CHARLES JR ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  SCHMIDT DONALD WILLIAM ,  ROGERS ROBERT ,  PIERCE BERNARD ,  MULDER JAMES

公开(公告)号：SG11201606094TA

公开(公告)日：2016-08-30

申请号：SG11201606094T

申请日：2015-03-16

Applicant: IBM

Inventor： GREINER DAN ,  FARRELL MARK ,  OSISEK DAMIAN LEO ,  SCHMIDT DONALD WILLIAM ,  BUSABA FADI YUSUF ,  KUBALA JEFFREY PAUL ,  BRADBURY JONATHAN DAVID ,  HELLER LISA CRANTON ,  SLEGEL TIMOTHY

IPC: G06F9/46

Abstract: Embodiments relate to thread context restoration. One aspect is a multithreading computer system including a configuration with a core configurable between a single thread (ST) mode and a multithreading (MT) mode. The ST mode addresses a primary thread and the MT mode addresses the primary thread and one or more secondary threads on shared resources of the core. A multithreading facility is configured to control utilization of the configuration to perform a method including disabling one or more secondary threads based on switching from MT mode to ST mode. A thread context of secondary threads is made unavailable to programs. Based on a last-set program-specified maximum thread-id indicating MT, the thread context is obtained by a) executing a set MT instruction to resume the MT mode, and b) based on being in the resumed MT mode, accessing the thread context.

公开(公告)号：SG11201606091UA

公开(公告)日：2016-08-30

申请号：SG11201606091U

申请日：2015-03-19

Applicant: IBM

Inventor： GREINER DAN ,  FARRELL MARK ,  OSISEK DAMIAN LEO ,  SCHMIDT DONALD WILLIAM ,  BUSABA FADI YUSUF ,  KUBALA JEFFREY PAUL ,  BRADBURY JONATHAN DAVID ,  HELLER LISA CRANTON ,  SLEGEL TIMOTHY ,  JACOBI CHRISTIAN

IPC: G06F9/50 ,  G06F9/38

Abstract: Embodiments relate to dynamic enablement of multithreading. According to an aspect, a computer-implemented method for dynamic enablement of multithreading in a configuration is provided. The configuration includes a core configurable between a single thread (ST) mode and a multithreading (MT) mode, where the ST mode addresses a primary thread and the MT mode addresses the primary thread and one or more secondary threads on shared resources of the core. The method includes executing in the primary thread in the ST mode, an MT mode setting instruction. A number of threads requested is obtained from a location specified by the MT mode setting instruction. Based on determining that the number of threads requested indicates multiple threads, the MT mode is enabled to execute the multiple threads including the primary thread and the one or more secondary threads.

公开(公告)号：AU2015238665A1

公开(公告)日：2016-08-04

申请号：AU2015238665

申请日：2015-03-16

Applicant: IBM

Inventor： GREINER DAN ,  FARRELL MARK ,  OSISEK DAMIAN LEO ,  SCHMIDT DONALD WILLIAM ,  BUSABA FADI YUSUF ,  KUBALA JEFFREY PAUL ,  BRADBURY JONATHAN DAVID ,  HELLER LISA CRANTON ,  SLEGEL TIMOTHY ,  GAINEY JR CHARLES

IPC: G06F9/50 ,  G06F9/38

Abstract: A computer system includes a configuration with a core configurable between a single thread (ST) mode and a multithreading (MT) mode. The ST mode addresses a primary thread and the MT mode addresses the primary thread and one or more secondary threads on shared resources of the core. A multithreading facility is configured to control utilization of the configuration to perform a method that includes accessing the primary thread in the ST mode using a core address value and switching from the ST mode to the MT mode. The primary thread or one of the one or more secondary threads is accessed in the MT mode using an expanded address value, where the expanded address value includes the core address value concatenated with a thread address value.

公开(公告)号：AU2015238662A1

公开(公告)日：2016-08-04

申请号：AU2015238662

申请日：2015-03-16

Applicant: IBM

Inventor： HELLER LISA CRANTON ,  BRADBURY JONATHAN DAVID ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  OSISEK DAMIAN LEO ,  GREINER DAN ,  SLEGEL TIMOTHY ,  BUSABA FADI YUSUF ,  SCHMIDT DONALD WILLIAM ,  GAINY JR CHARLES

IPC: G06F9/455 ,  G06F9/50

Abstract: A computer system includes a virtual machine (VM) configuration with one or more cores. Each core is enabled to operate in a single thread (ST) mode or a multithreading (MT) mode. The ST mode consists of a single thread and the MT mode consists of a plurality of threads on shared resources of a respective core. The computer system includes a core-oriented system control area (COSCA) having a common area representing all of the cores of the VM configuration and separate core description areas for each of the cores in the VM configuration. Each core description area indicates a location of one or more thread description areas each representing a thread within the respective core, and each thread description area indicates a location of a state description of the respective thread.

公开(公告)号：AU2012366770B2

公开(公告)日：2016-05-12

申请号：AU2012366770

申请日：2012-11-13

Applicant: IBM

Inventor： GAINEY JR CHARLES ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  SCHMIDT DONALD WILLIAM ,  PIERCE BERNARD ,  ROGERS ROBERT ,  MULDER JAMES

IPC: G06F9/46

Abstract: A program (e.g., an operating system) is provided a warning that it has a grace period in which to perform a function, such as cleanup (e.g., complete, stop and/or move a dispatchable unit). The program is being warned, in one example, that it is losing access to its shared resources. For instance, in a virtual environment, a guest program is warned that it is about to lose its central processing unit resources, and therefore, it is to perform a function, such as cleanup.

公开(公告)号：AU2012366768B2

公开(公告)日：2016-05-12

申请号：AU2012366768

申请日：2012-11-13

Applicant: IBM

Inventor： GAINEY JR CHARLES ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  SCHMIDT DONALD WILLIAM ,  MULDER JAMES ,  PIERCE BERNARD ,  ROGERS ROBERT

IPC: G06F9/46

Abstract: A program (e.g., an operating system) is provided a warning that it has a grace period in which to perform a function, such as cleanup (e.g., complete, stop and/or move a dispatchable unit). The program is being warned, in one example, that it is losing access to its shared resources. For instance, in a virtual environment, a guest program is warned that it is about to lose its central processing unit resources, and therefore, it is to perform a function, such as cleanup.

公开(公告)号：CA2961690A1

公开(公告)日：2016-04-14

申请号：CA2961690

申请日：2015-09-14

Applicant: IBM

Inventor： FARRELL MARK ,  HELLER LISA ,  KUBALA JEFFREY PAUL ,  SCHMIDT DONALD WILLIAM ,  GREINER DAN ,  SLEGEL TIMOTHY ,  BUSABA FADI YUSUF ,  OSISEK DAMIAN ,  BRADBURY JONATHAN DAVID ,  LEHNERT FRANK ,  NERZ BERND ,  JACOBI CHRISTIAN ,  GAINEY CHARLES

IPC: G06F9/48

Abstract: A system and method of implementing a modified priority routing of an input/output (I/O) interruption. The system and method determines whether the I/O interruption is pending for a core and whether any of a plurality of guest threads of the core is enabled for guest thread processing of the interruption in accordance with the determining that the I/O interruption is pending. Further, the system and method determines whether at least one of the plurality of guest threads enabled for guest thread processing is in a wait state and, in accordance with the determining that the at least one of the plurality of guest threads enabled for guest thread processing is in the wait state, routes the I/O interruption to a guest thread enabled for guest thread processing and in the wait state.

公开(公告)号：IN4836CHN2014A

公开(公告)日：2015-09-18

申请号：IN4836CHN2014

申请日：2014-06-25

Applicant: IBM

Inventor： GAINEY CHARLES JR ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  SCHMIDT DONALD WILLIAM ,  MULDER JAMES ,  PIERCE BERNARD ,  ROGERS ROBERT

IPC: G06F9/46

Abstract: A program (e.g. an operating system) is provided a warning that it has a grace period in which to perform a function such as cleanup (e.g. complete stop and/or move a dispatchable unit). The program is being warned in one example that it is losing access to its shared resources. For instance in a virtual environment a guest program is warned that it is about to lose its central processing unit resources and therefore it is to perform a function such as cleanup.

公开(公告)号：SG11201402085QA

公开(公告)日：2014-06-27

申请号：SG11201402085Q

申请日：2012-11-13

Applicant: IBM

Inventor： GAINEY CHARLES JR ,  KUBALA JEFFREY PAUL ,  FARRELL MARK ,  SCHMIDT DONALD WILLIAM ,  MULDER JAMES ,  PIERCE BERNARD ,  ROGERS ROBERT

IPC: G06F9/46

Abstract: A program (e.g., an operating system) is provided a warning that it has a grace period in which to perform a function, such as cleanup (e.g., complete, stop and/or move a dispatchable unit). The program is being warned, in one example, that it is losing access to its shared resources. For instance, in a virtual environment, a guest program is warned that it is about to lose its central processing unit resources, and therefore, it is to perform a function, such as cleanup.