Patent application number | Description | Published |
20110055484 | Detecting Task Complete Dependencies Using Underlying Speculative Multi-Threading Hardware - Mechanisms are provided for tracking dependencies of threads in a multi-threaded computer program execution. The mechanisms detect a dependency of a first thread's execution on results of a second thread's execution in an execution flow of the multi-threaded computer program. The mechanisms further store, in a hardware thread dependency vector storage associated with the first thread's execution, an identifier of the dependency by setting at least one bit in the hardware thread dependency vector storage corresponding to the second thread. Moreover, the mechanisms schedule tasks performed by the multi-threaded computer program based on the hardware thread dependency vector storage to minimize squashing of threads. | 03-03-2011 |
20110314442 | REDUCING PARALLELISM OF COMPUTER SOURCE CODE - An example embodiment disclosed is a method for reducing parallelism of computer source code. The method includes receiving multi-threaded program source code and representing the multi-threaded program source code as a polyhedral framework stored in computer readable memory. The polyhedral framework is used to convert the polyhedral framework from the multi-threaded program source code representation to a single-threaded program source code representation. | 12-22-2011 |
20130024662 | RELAXATION OF SYNCHRONIZATION FOR ITERATIVE CONVERGENT COMPUTATIONS - Systems and methods are disclosed that allow atomic updates to global data to be at least partially eliminated to reduce synchronization overhead in parallel computing. A compiler analyzes the data to be processed to selectively permit unsynchronized data transfer for at least one type of data. A programmer may provide a hint to expressly identify the type of data that are candidates for unsynchronized data transfer. In one embodiment, the synchronization overhead is reducible by generating an application program that selectively substitutes codes for unsynchronized data transfer for a subset of codes for synchronized data transfer. In another embodiment, the synchronization overhead is reducible by employing a combination of software and hardware by using relaxation data registers and decoders that collectively convert a subset of commands for synchronized data transfer into commands for unsynchronized data transfer. | 01-24-2013 |
20130111018 | PASSIVE MONITORING OF VIRTUAL SYSTEMS USING AGENT-LESS, OFFLINE INDEXING | 05-02-2013 |
20130138812 | SYSTEM, METHOD AND PROGRAM PRODUCT FOR COST-AWARE SELECTION OF TEMPLATES FOR PROVISIONING SHARED RESOURCES - A template generator organizing templates in a cost-aware clustering, a method of allocating resources using cost-aware clustering and computer program products therefor. A resource provisioning unit generates, selects and maintains a selected number of resource templates. Each template specifies an allocable resource capacity configuration. Each requesting client device has resources allocated determined by one of the selected resource templates. A resource provisioning unit includes a configuration store with costs of allocable resources and associated attributes, a server request store with previously received requests, and an input parameter store with template list options. A template generator determines an optimum list of templates to satisfy previously received requests. A template store stores generated template lists. | 05-30-2013 |
20130339779 | SYSTEMATIC FAILURE REMEDIATION - Aspects of the present invention provide a tool for analyzing and remediating an update-related failure. In an embodiment, a failure state of a computer system that has been arrived at as a result of an update is captured. A semantic diff that includes the difference between the failure state and at least one of an original state or a completion state is then computed. This semantic diff is transformed into a feature vector format. Then the transformed semantic diff is analyzed to determine a remediation for the update. Failure and/or resolution signatures can be constructed using the semantic diff and contextual data, and these signatures can be used in comparison and analysis of failures and resolutions. | 12-19-2013 |
20130339787 | SYSTEMATIC FAILURE REMEDIATION - Aspects of the present invention provide a tool for analyzing and remediating an update-related failure. In an embodiment, a failure state of a computer system that has been arrived at as a result of an update is captured. A semantic diff that includes the difference between the failure state and at least one of an original state or a completion state is then computed. This semantic diff is transformed into a feature vector format. Then the transformed semantic diff is analyzed to determine a remediation for the update. Failure and/or resolution signatures can be constructed using the semantic diff and contextual data, and these signatures can be used in comparison and analysis of failures and resolutions. | 12-19-2013 |
20140075434 | SYSTEM, METHOD AND PROGRAM PRODUCT FOR COST-AWARE SELECTION OF STORED VIRTUAL MACHINE IMAGES FOR SUBSEQUENT USE - A system, method and computer program product for allocating shared resources. Upon receiving requests for resources, the cost of bundling software in a virtual machine (VM) image is automatically generated. Software is selected by the cost for each bundle according to the time required to install it where required, offset by the time to uninstall it where not required. A number of VM images having the highest software bundle value (i.e., highest cost bundled) is selected and stored, e.g., in a machine image store. With subsequent requests for resources, VMs may be instantiated from one or more stored VM images and, further, stored images may be updated selectively updated with new images. | 03-13-2014 |
20140075435 | SYSTEM, METHOD AND PROGRAM PRODUCT FOR COST-AWARE SELECTION OF STORED VIRTUAL MACHINE IMAGES FOR SUBSEQUENT USE - A system, method and computer program product for allocating shared resources. Upon receiving requests for resources, the cost of bundling software in a virtual machine (VM) image is automatically generated. Software is selected by the cost for each bundle according to the time required to install it where required, offset by the time to uninstall it where not required. A number of VM images having the highest software bundle value (i.e., highest cost bundled) is selected and stored, e.g., in a machine image store. With subsequent requests for resources, VMs may be instantiated from one or more stored VM images and, further, stored images may be updated selectively updated with new images. | 03-13-2014 |
20140146055 | USE OF SNAPSHOTS TO REDUCE RISK IN MIGRATION TO A STANDARD VIRTUALIZED ENVIRONMENT - During a process of migrating a source system into a standardized virtual environment, virtual machine instances of the source system executing in a hypervisor are snapshotted as virtual machine images in an operational repository of the hypervisor. The virtual machine images in the operational repository are short-term snapshots. From time to time during the migration process, long-term snapshots of the source system are created by checking given ones of the virtual machine images from the hypervisor operational repository into an image library as image objects. | 05-29-2014 |
20140149492 | ADJUSTMENT TO MANAGED-INFRASTRUCTURE-AS-A-SERVICE CLOUD STANDARD - An arbitrary customer instance is transferred from a customer environment to a target managed-infrastructure-as-a-service cloud environment as a transferred image. An image adjustment plan, capturing at least one adjustment required to render the transferred image compliant with standards of the target managed-infrastructure-as-a-service cloud environment, is formulated. The image adjustment plan is executed to adjust the transferred image to obtain an adjusted image compliant with standards of the target managed-infrastructure-as-a-service cloud environment. The adjusted image is on-boarded into the managed-infrastructure-as-a-service cloud environment as a standard image thereof. | 05-29-2014 |
20150081910 | SYSTEM, METHOD AND PROGRAM PRODUCT FOR UPDATING VIRTUAL MACHINE IMAGES - A system, method and computer program product for allocating shared resources. Upon receiving requests for resources, the system determines whether there are any pending updates for a VM image for provisioning a virtual machine (VM) for the request. For each image with pending updates the system determines whether to replace the stored image with an updated VM image and provision from the replacement or, update a single instance of the image and provision from the single instance. The system also determines an optimal time to update images with pending updates. After replacing an image, the system provides an alert indicating that an updated said VM was provisioned. | 03-19-2015 |
20150331708 | USE OF SNAPSHOTS TO REDUCE RISK IN MIGRATION TO A STANDARD VIRTUALIZED ENVIRONMENT - During a process of migrating a source system into a standardized virtual environment, virtual machine instances of the source system executing in a hypervisor are snapshotted as virtual machine images in an operational repository of the hypervisor. The virtual machine images in the operational repository are short-term snapshots. From time to time during the migration process, long-term snapshots of the source system are created by checking given ones of the virtual machine images from the hypervisor operational repository into an image library as image objects. | 11-19-2015 |