Patents Examined by Benjamin Wu
  • Selective data migration or remapping of virtual processors to provide required data accessibility to processor cores
    Patent number: 9191435
    Abstract: Selective resource migration is disclosed. A computer system includes physical memory and a plurality of physical processors. Each of the processors has one or more cores and each core instantiates one or more virtual processors that executes program code. Each core is configured to invoke a hyper-kernel on its hosting physical processor when the core cannot access a portion of the physical memory needed by the core. The hyper-kernel selectively moves the needed memory closer to a location accessible by the physical processor or remaps the virtual processor to another core.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: November 17, 2015
    Assignee: TidalScale, Inc.
    Inventor: Isaac R. Nassi
  • Associating a task completion step of a task with a related task of the same group of similar tasks
    Patent number: 9183039
    Abstract: Methods and apparatus related to associating a task completion step with one or more tasks. A task group is determined based on similarity between the tasks of the task group, a task completion step of one of the tasks of the task group is identified, and one or more of the other tasks of the task group are associated with the task completion step. In some implementations, the task group is determined based on similarity between entities that are associated with the tasks of the task group. In some implementations, the task group is determined based on textual representations that are associated with the tasks of the task group.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: November 10, 2015
    Assignee: GOOGLE INC.
    Inventors: Erwin Can Sar, Timothy Youngjin Sohn, Andrew Tomkins
  • Proactive distribution of virtual environment user credentials in a single sign-on system
    Patent number: 9183023
    Abstract: An environment manager in a computer executes multiple environments concurrently. A user management framework (UMF) virtual machine an the computer runs an authentication domain that supports user profile management of the multiple environments.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: November 10, 2015
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jose Paulo Pires, Valiuddin Y. Ali, Boris Balacheff, James M. Mann, Eduardo Moschetta
  • Classifying requested application based on processing and response time and scheduling threads of the requested application according to a preset group
    Patent number: 9183047
    Abstract: A method and apparatus for improving application processing speed in a digital device which improve application processing speed for a digital device running in an embedded environment where processor performance may not be sufficiently powerful by detecting an execution request for an application, identifying a group to which the requested application belongs, among preset groups with different priorities and scheduling the requested application according to the priority assigned to the identified group, and executing the requested application based on the scheduling result.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: November 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Geun Sik Lim, Sang Bum Suh, Hyun Jin Choi
  • Migrating threads across NUMA nodes using corresponding page tables and based on remote page access frequency
    Patent number: 9183053
    Abstract: Implementations provide for tracking memory accesses to optimize processor task placement is disclosed. A method includes creating a page table (PT) hierarchy associated with a thread, wherein the PT hierarchy comprises identifying information of memory pages and access bits corresponding to each of the memory pages, setting the respective access bit of one or more of the memory pages accessed by the thread while the thread is executing, collecting access bit information from the PT hierarchy associated with the thread, wherein the access bit information comprises the set access bits in the PT hierarchy, determining, in view of the collected access bit information, memory access statistics for the thread, and utilizing, during runtime of the thread, the memory access statistics for the thread in a determination of whether to migrate the thread to another processing device during the runtime of the thread.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: November 10, 2015
    Assignee: Red Hat Israel, Ltd.
    Inventors: Izik Eidus, Uri Lublin, Michael Tsirkin
  • Thread assignment for power and performance efficiency using multiple power states
    Patent number: 9170854
    Abstract: A method is performed in a computing system that includes a plurality of processing nodes of multiple types configurable to run in multiple performance states. In the method, an application executes on a thread assigned to a first processing node. Power and performance of the application on the first processing node is estimated. Power and performance of the application in multiple performance states on other processing nodes of the plurality of processing nodes besides the first processing node is also estimated. It is determined that the estimated power and performance of the application on a second processing node in a respective performance state of the multiple performance states is preferable to the power and performance of the application on the first processing node. The thread is reassigned to the second processing node, with the second processing node in the respective performance state.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: October 27, 2015
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Mauricio Breternitz, Leonardo Piga
  • Offloading service requests to a second guest hypervisor in a logical partition shared by a plurality of guest hypervisors
    Patent number: 9158571
    Abstract: Embodiments relate to a method for encapsulating a virtual server in a hypervisor subpartition of a single logical partition to provide additional hardware support and advanced virtualization functions. An aspect includes running a first hypervisor and one or more additional hypervisors over a single logical partition. A request to manage a virtual server is received at the first hypervisor. The request is then analyzed to determine what resources are necessary to manage the virtual server. Based on the analyzed request, one of the first hypervisor or the one or more additional hypervisors is selected to complete the request.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 13, 2015
    Assignee: International Business Machines Corporation
    Inventors: Matthew J. Rosato, Steven S. Shultz, Stephen G. Wilkins, Hongjie Yang
  • Offloading service requests to a second guest hypervisor in a logical partition shared by a plurality of guest hypervisors
    Patent number: 9152450
    Abstract: Embodiments relate to a method for encapsulating a virtual server in a hypervisor subpartition of a single logical partition to provide additional hardware support and advanced virtualization functions. An aspect includes running a first hypervisor and one or more additional hypervisors over a single logical partition. A request to manage a virtual server is received at the first hypervisor. The request is then analyzed to determine what resources are necessary to manage the virtual server. Based on the analyzed request, one of the first hypervisor or the one or more additional hypervisors is selected to complete the request.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 6, 2015
    Assignee: International Business Machines Corporation
    Inventors: Matthew J. Rosato, Steven S. Shultz, Stephen G. Wilkins, Hongjie Yang
  • Context aware synchronization using context and input parameter objects associated with a mutual exclusion lock
    Patent number: 9152474
    Abstract: Examples are disclosed for context aware synchronization. A mutual exclusion (mutex) lock object or monitor may be created to enable threads to acquire a lock to access a shared data structure when executing a critical section of code. The mutex lock object may have at least a first input associated with a context via which the one or more threads execute the given critical block of code. The mutex lock object may then be stored in a shared memory and an indication as the where the mutex lock object was stored in the shared memory may be provided to a thread. The thread may use the mutex lock object to acquire the lock to access the shared data structure. Other mutex lock objects may be created in a similar manner to allow additional threads to acquire locks to access the shared data structure. Other examples are described and claimed.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: October 6, 2015
    Assignee: NetApp, Inc.
    Inventor: Navneet Singh
  • Performing thin-provisioning operations on virtual disk images using native features of the storage domain
    Patent number: 9135049
    Abstract: A virtual disk image manager running on a computing device determines that an operation is to be performed on a virtual disk image. The virtual disk image manager then determines whether an underlying storage domain on which the virtual disk image is stored supports the operation. In response to determining that the storage domain supports the operation, the virtual disk image manager uses native capabilities of the storage domain to perform the operation. In response to determining that the storage domain does not support the operation, the virtual disk image manager performs the operation without the use of the storage domains native capabilities.
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: September 15, 2015
    Assignee: Red Hat Israel, Ltd.
    Inventors: Saggi Y. Mizrahi, Ayal Baron
  • Mapping free memory pages maintained by a guest operating system to a shared zero page within a machine frame
    Patent number: 9135038
    Abstract: Reducing an amount of memory used by a virtual machine. A system includes multiple virtual machines that share common pages of memory. The number of private pages associated with each virtual machine is minimized by ensuring that pages that a guest operating system regards as now free or zeroed are efficiently mapped by the hypervisor to a shared zero page. Upon a hypervisor determining that one or more guest physical frame numbers are assigned to free memory pages, the hypervisor updates mapping data to map the one or more guest physical frame numbers to a shared zero page within the machine frame.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: September 15, 2015
    Assignee: Bromium, Inc.
    Inventors: Krzysztof Uchronski, Martin O'Brien, Jacob Gorm Hansen, Kiran Bondalapati, Ian Pratt, Gaurav Banga, Vikram Kapoor
  • Redirecting guest-generated events to an event aggregator in a networked virtualization environment
    Patent number: 9135051
    Abstract: A method for integrating responses to asynchronous events is provided. A hypervisor of a host receives a request from a network manager to re-direct asynchronous events from a guest to an address of an event aggregation manager distinct from an address of the network manager. The hypervisor receives an asynchronous event having a destination address of the network manager from the guest. The hypervisor maps the destination address of the network manager to the address of the event aggregation manager. The hypervisor transmits the asynchronous event to the event aggregation manager.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: September 15, 2015
    Assignee: Red Hat Israel, Ltd.
    Inventors: Gilad Chaplik, Haim Ateya
  • Generating user-requested virtual machine templates from super virtual machine templates and cacheable patches
    Patent number: 9135045
    Abstract: An apparatus and an article of manufacture for creating a virtual machine super template to create a user-requested virtual machine template include identifying at least one virtual machine super template to be created via analyzing at least one existing template in a repository and/or a user-defined combination of software, creating the super template by installing software requested by the user to be within the super template, and creating a user-requested virtual machine template by un-installing software from the super template that is not required in the user-requested template and/or adding software to the super template required in the user-requested template that is not present in the super template.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: September 15, 2015
    Assignee: International Business Machines Corporation
    Inventors: Pradipta De, Manish Gupta, Deepak K. Jeswani
  • Preventing host operating system from inspecting or modifying data received by hardware controller by moving host operating system into a virtual machine after boot up
    Patent number: 9135046
    Abstract: Approaches for ensuring the privacy of a controller of a device from a host operating system. A host operating system is prevented from inspecting or modifying data received by a controller of a hardware device. Control of the controller is withdrawn from the host operating system and granted to a hypervisor. A replacement controller for the hardware device is provided to the host operating system. Upon the hypervisor receiving data via the controller, the hypervisor forwards the data to a relevant virtual machine responsible for processing the data. Although the host operating system may operate as if it possessed control of the controller of the hardware device, any malicious code inadvertently residing within the host operating system will be unable to inspect or modify any data received by or sent from the actual controller of the hardware device.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: September 15, 2015
    Assignee: Bromium, Inc.
    Inventor: Ian Pratt
  • Generating user-requested virtual machine templates from super virtual machine templates and cacheable patches
    Patent number: 9128744
    Abstract: Techniques for creating a virtual machine super template to create a user-requested virtual machine template. A method includes identifying at least one virtual machine super template to be created via analyzing at least one existing template in a repository and/or a user-defined combination of software, creating the super template by installing software requested by the user to be within the super template, and creating a user-requested virtual machine template by un-installing software from the super template that is not required in the user-requested template and/or adding software to the super template required in the user-requested template that is not present in the super template.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: September 8, 2015
    Assignee: International Business Machines Corporation
    Inventors: Pradipta De, Manish Gupta, Deepak K. Jeswani
  • Asynchronous unmap of thinly provisioned storage for virtual machines
    Patent number: 9128746
    Abstract: In a computer system having virtual machines running therein, a hypervisor that supports execution of the virtual machines allocates blocks of storage to the virtual machines from a thinly provisioned logical block device. When the hypervisor deletes a file or receives commands to delete a file, the hypervisor moves the file into a delete directory. An unmap thread running in the background issues unmap commands to the storage device to release one or more blocks of the logical block device that are allocated to the files in the delete directory, so that the unmap operation can be executed asynchronously with respect to the file delete event.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: September 8, 2015
    Assignee: VMware, Inc.
    Inventors: Dhanashankar Venkatesan, Prasanna Aithal
  • Automated provisioning of secure virtual execution environment using virtual machine templates based on requested activity
    Patent number: 9116733
    Abstract: Approaches for executing untrusted software on a client without compromising the client using micro-virtualization to execute untrusted software in isolated contexts. A template for instantiating a virtual machine on a client is identified in response to receiving a request to execute an application. After the template is identified, without human intervention, a virtual machine is instantiated, using the template, in which the application is to be executed. The template may be selected from a plurality of templates based on the nature of the request, as each template describe characteristics of a virtual machine suitable for a different type of activity. When the client determines that the application has ceased to execute, the client ceases execution of the virtual machine without human intervention.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: August 25, 2015
    Assignee: Bromium, Inc.
    Inventors: Gaurav Banga, Kiran Bondalapati, Ian Pratt, Vikram Kapoor
  • Estimating migration costs for migrating logical partitions within a virtualized computing environment based on a migration cost history
    Patent number: 9110705
    Abstract: Responsive to a hypervisor determining that insufficient local resources are available for reservation to meet a performance parameter for at least one resource specified in a reservation request for a particular logical partition managed by the hypervisor in a host system, the hypervisor identifies another logical partition managed by the hypervisor in the host system that is assigned at the least one resource meeting the performance parameter specified in the reservation request. The hypervisor estimates a first cost of migrating the particular logical partition and a second cost of migrating the another logical partition to at least one other host system communicatively connected in a peer-to-peer network based on at least one previously recorded cost stored by the host system of migrating a previous logical partition to the at least one other host system.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: August 18, 2015
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Kevin J. Cawlfield, Chang W. Chen, Mitchell P. Harding, Michael C. Hollinger, Michael R. Reddock
  • Assigning wideio memories to functions based on memory access and acquired temperature information
    Patent number: 9110707
    Abstract: Temperature information of each of a plurality of memories of a WideIO memory device is acquired. In a case that the execution of a function is designated, a memory to be used by a function module corresponding to the function is determined based on the memory access amount of the function module corresponding to the function and the acquired temperature information of the plurality of memories.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: August 18, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Toshio Yoshihara
  • Automated identification of virtual machines to process or receive untrusted data based on client policies
    Patent number: 9110701
    Abstract: Approaches for transferring data to a client by safely receiving the data in or more virtual machines. In response to the client determining that digital content is to be received or processed by the client, the client identifies one or more virtual machines, executing or to be executed on the client, into which the digital content is to be stored. In doing so, the client may consult policy data that defines one or more policies for determining into which virtual machine the digital content should be stored. In this way, digital content, such as executable code or interpreted data, of unknown trustworthiness may be safely received by the client without the possibility of any malicious code therein from affecting any undesirable consequence upon the client.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: August 18, 2015
    Assignee: Bromium, Inc.
    Inventors: Gaurav Banga, Kiran Bondalapati, Ian Pratt, Vikram Kapoor