Abstract: Systems and methods for a workload optimized server for intelligent algorithm trading platforms. In an illustrative, non-limiting embodiment, an Information Handling System (IHS) may include a plurality of Central Processing Units (CPUs) and a control circuit coupled to the plurality of CPUs, the control circuit having a memory configured to store program instructions that, upon execution by the control logic, cause the IHS to: set a first number of enabled cores in a first CPU to operate with a first all-core turbo frequency, and set a second number of enabled cores in a second CPU to operate with a second all-core turbo frequency, where the first number of enabled cores is different from the second number of enabled cores, and where at least one of the first or second all core turbo frequencies is selected to cause the IHS to operate with reduced execution jitter.

Abstract: A method of balancing execution rates for a plurality of parallel program loops being executed concurrently by a processor may include estimating a completion time for each program loop of the plurality of program loops, determining a difference between the estimated completion time of a first program loop of the plurality of program loops and the estimated completion time of a second program loop of the plurality of program loops, and decreasing the difference by adjusting an execution rate of the first program loop.

Abstract: An improved system and method for a task management library to execute map-reduce applications is provided. A map-reduce application may be operably coupled to a task manager library and a map-reduce library on a client device. The task manager library may include a wrapper application programming interface that provides application programming interfaces invoked by a wrapper to parse data input values of the map-reduce application. The task manager library may also include a configurator that extracts data and parameters of the map-reduce application from a configuration file to configure the map-reduce application for execution, a scheduler that determines an execution plan based on input and output data dependencies of mappers and reducers, a launcher that iteratively launches the mappers and reducers according to the execution plan, and a task executor that requests the map-reduce library to invoke execution of mappers on mapper servers and reducers on reducer servers.

Abstract: Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving, at the cloud controller, a request message including a first request for a first cloud resource; identifying a set of potential devices for providing the first cloud resource; calculating a plurality of weight values corresponding to at least a portion of the set of potential devices for providing the first cloud resource, wherein the plurality of weight values are calculated based on a plurality of delta values associated with the at least a portion of the set of potential devices; selecting a device based on the plurality of weight values to provide the first cloud resource; and updating the delta value associated with the selected device.

Abstract: Disclosed aspects manage a shared pool of configurable computing resources. A triggering event is detected. The triggering event may be related to a resource utilization on a host of the shared pool of configurable computing resources. Based on a set of profile data, it is determined to perform an event response. The event response includes initiating a resource action or initiating an asset action. The resource action may include distributing a set of dynamically-assigned resources. The asset action corresponds to a set of assets (e.g., migrating a set of virtual machines). To change the resource utilization on the host, the event response is performed.

Abstract: A cloud manager monitors available resources on host computer systems, including a number of hardware threads supported by CPUs on the host computer systems. The cloud manager receives a request to provision a virtual machine (VM) that includes a hardware multithreading parameter that specifies whether hardware multithreading is allowed on the host computer system. The cloud manager then selects a host computer system for the VM taking the hardware multithreading parameter into consideration. The VM is then placed on the selected host computer system using the hardware multithreading parameter.

Abstract: A system that includes multiple nodes is disclosed. A first node in the system has a first local storage and a first portion of a distributed index. A second node in the system has a second local storage and a second portion of the distributed index. A third node in the system has a third local storage and a third portion of the distributed index. Each of the first, second, and third nodes includes application logic. If any one of the nodes is removed from the system, neither application nor data availability is impacted.

Abstract: Disclosed are systems, hybrid compute environments, methods and computer-readable media for dynamically provisioning nodes for a workload. In the hybrid compute environment, each node communicates with a first resource manager associated with the first operating system and a second resource manager associated with a second operating system. The method includes receiving an instruction to provision at least one node in the hybrid compute environment from the first operating system to the second operating system, after provisioning the second operating system, pooling at least one signal from the resource manager associated with the at least one node, processing at least one signal from the second resource manager associated with the at least one node and consuming resources associated with the at least one node having the second operating system provisioned thereon.

Abstract: There is provided a method and system for process migration in a data center network. The method includes selecting processes to be migrated from a number of overloaded servers within a data center network based on an overload status of each overloaded server. Additionally, the method includes selecting, for each selected process, one of a number of underloaded servers to which to migrate the selected process based on an underload status of each underloaded server, and based on a parameter of a network component by which the selected process is to be migrated. The method also includes migrating each selected process to the selected underloaded server such that a migration finishes within a specified budget.

Abstract: In an example embodiment, one or more series of executable components may be configured to execute a respective processes, and one or more corresponding scheduling components may be configured to direct migration of each of the corresponding one or more series of executable components to a processing element thereof.

Abstract: A system and method for synchronizing information from an information handling system is disclosed. The method includes identifying a device within a pre-determined range of a docking station, the device operable to communicate with the docking station. The method also includes pairing with the device, determining a user of the device, and predicting, based upon past activity by the user at another docking station, content to be launched on the device. The method further include presenting the content for launching on the device, receiving a selection of the content; and launching the content on the device.

Abstract: A reduction operation device detects a non-correspondence of an operation type or a data type in a reduction arithmetic operation of a parallel processing. The reduction operation device is inputted a plurality of the synchronization signals and data, sets each transmission destinations of the plurality of inputted synchronization signals and the plurality of data corresponding to a next stage of a reduction operation and executes the reduction operation. The synchronization unit in the reduction operation device detects the non-correspondence between the operation type or the data type included in an instruction of the reduction operation after the synchronization is established and controls the arithmetic operation of the arithmetic unit.

Abstract: A method of operating a multi-core processor. In one embodiment, each processor core is provided with its own private cache and the device comprises or has access to a common memory, and the method comprises executing a processing thread on a selected first processor core, and implementing a normal access mode for executing an operation within a processing thread and comprising allocating sole responsibility for writing data to given blocks of said common memory, to respective processor cores. The method further comprises implementing a speculative execution mode switchable to override said normal access mode. This speculative execution mode comprises, upon identification of said operation within said processing thread, transferring responsibility for performing said operation to a plurality of second processor cores, and optionally performing said operation on the first processor core as well.

Abstract: A system and method for distributed locking for networked device management is provided. In one aspect, a lock is granted for a resource attached to a switched fabric, in response to receiving a request to access the resource. If the resource is already locked by another process or device, or otherwise unavailable, the request may be queued or failed.

Abstract: A controller has a cache to store data associated with an address that is subject to conflict resolution. A conflict resolution queue stores information relating to plural transactions, and logic reprioritizes the plural transactions in the conflict resolution queue to change a priority of a first type of transaction with respect to a priority of second type of transaction.

Abstract: One or more aspects of the subject matter described in this disclosure include identifying a first application component received by a running application, identifying a first automatically connectable connection for the first application component, selecting a second automatically connectable connection for a second application component, the second application component residing in the running application, and automatically connecting the first connection with the second connection so that information can be exchanged between the first application component and the second application component by way of the first connection and the second connection while the first application is running.

Abstract: Handling locale information on a computing platform, a computer obtains, in response to an event that an application is pushed to a computing platform, locale information corresponding to the application. The computer determines the type of the application, configures a runtime executable file required by the application according to the locale information corresponding to the application and the type of the application, creates a script for configuring a locale of an operating system on the computing platform consistent with the locale information corresponding to the application, and creates a droplet for the application that includes the configured runtime executable file required by the application and is associated with the created script.

Abstract: An information processing device can execute a program composed of a plurality of modules including a self-module that is under the management of a module management unit and the other module that is not under the management. The module management unit 7 performs registration of a function to be notified of by a signal when an exception occurs in a program. When the signal is received if an exception occurs, exception processing is executed. At the time of loading a certain module in a process, if a function of the other module is already registered, the module management unit stores information of the function, and performs function registration to execute the exception processing with a function of the self-module instead. The same signal as the signal that the registered function receives is transmitted to the stored function of the other module.

Abstract: Enabling a web application to call at least one native function of a mobile device includes accessing the web application by a browser of the mobile device. The web application includes at least one GUI element. The mobile device operates a listener module that is a TCP/IP socket listener listening for an address including a localhost IP address and a port number. Upon selection of the GUI element, a cross domain HTTP request is submitted by the browser to the listener localhost IP address. The listener module receives the request and calls the at least one native function in dependence on the received request.

Abstract: A method, including receiving, by a user space driver framework (UDF) library executing from a user space of a memory over a monolithic operating system kernel, a kernel application programming interface (API) call from a device driver executing from the user space. The UDF library then performs an operation corresponding to the kernel API call.

Abstract: A method of an aspect includes determining a different operational configuration for each of a plurality of different maximum failure rates. Each of the different maximum failure rates corresponds to a different task of a plurality of tasks. The method also includes enforcing a plurality of logic each executing a different task of the plurality of tasks to operate according to the different corresponding determined operational configuration. Other methods, apparatus, and systems are also disclosed.

Abstract: Systems and methods are described for reliably transmitting data in a network. The method includes: performing by a module, monitoring data from an output drive module for errors; and when an error is detected, generating a first signal based on the monitoring, and adjusting an input voltage to at least one of a pull-up resistor and a pull-down resistor for a predetermined time based on the first signal, to emphasize the error.

Abstract: Storage area network (SAN) components contain a processor configured to provide a first event handling module that can receive an error event at a first hardware component of the storage area network. A database is accessed that contains associations between error event data and potential sources of errors. A plurality of hardware components are identified using the database and error event data. The hardware components are ranked and one is selected based on the ranking. An error notification is sent to a second event handling module of the hardware component. Based upon the response of the second event handling module, an error handling procedure is carried out.

Abstract: Embodiments relate to pre-silicon device testing using a persistent command table. An aspect includes receiving a value for a persistent command parameter from a user. Another aspect includes determining whether the value of the persistent command parameter is greater than zero. Another aspect includes based on determining whether the value of the persistent command parameter is greater than zero, selecting a number of commands equal to the value of the persistent command parameter from a regular command table of a driver of a device under test. Another aspect includes adding the selected commands to the persistent command table of the driver. Another aspect includes performing testing of the device under test via the driver using only commands that are in the persistent command table of the driver.

Abstract: Memory corruption detection technologies are described. A processing system can include a processor core including a register to store an address of a memory corruption detection (MCD) table. The processor core can receive, from an application, a memory store request to store data in a first portion of a contiguous memory block of the memory object of a memory. The memory store request comprises a first pointer indicating a first location of the first portion in the memory block to store the data. The processor core can retrieve, from the MCD table, a write protection indicator that indicates a first protection mode of the first portion. The processor core can send, to the application, a fault message when a fault event associated with the first portion occurs based on the first protection mode of the first portion.

Abstract: A management system manages a plurality of management target devices. A storage device stores one or more rules, plan information, and plan history information. A control device specifies a first cause event that is a candidate of a cause of the event that has occurred in any one of the management target devices based on the one or more rules, specifies a plurality of first plans that can be executed in the case in which the first cause event is a cause based on the plan information, calculates an index value indicating a possibility of succeeding in a failure recovery in the case in which the plan is executed for each of the plurality of first plans based on the plan history information, and displays data indicating any one or more plans of the plurality of first plans according to a display mode decided based on the index value.

Abstract: A method is provided for performing first line triage of network issues after receiving an indication of an error in a computer network. At least one software agent in a network element of the computer network is queried. The software agent(s) are embedded in the source code for processes running on the network element. Data from the software agent(s) are received in response to the query.

Abstract: Systems, methods, and apparatuses are directed to optimizing turnaround timing of successive transactions between a host and a memory device. The host includes framing logic that generates a write frame that includes a plurality of data bits and an error bit checksum that is appended at the end of the data bits. The host further includes a bus infrastructure configured to accommodate the transfer of the write frame to the memory device and logic that defines the turnaround time to begin at a time instant that immediately follows the transfer of the data bits of the write frame. The turnaround time measures the time delay at which a succeeding write frame is to be transferred. In this manner, the turnaround time is optimized to enable the earlier initiation of successive data operations, thereby reducing the overall latency of successive back-to-back transactions.

Abstract: Embodiments of decoders having early decoding termination detection are disclosed. The decoders can provide for flexible and scalable decoding and early termination detection, particularly when quasi-cyclic low-density parity-check code (QC-LDPC) decoding is used. In one embodiment, a decoder iteratively decodes a data unit using a decoding matrix comprising a plurality of layers. After at least one iteration of decoding the data unit, the decoder determines whether the decoded data unit from a completed iteration and one or more layers of the plurality of layers satisfy a parity check equation. In response to determining that the decoded data unit from the completed iteration and each layer of the plurality of layers satisfy the parity check equation, the decoder terminates decoding the data unit. Advantageously, the termination of decoding of the data unit can reduce a number of iterations performed to decode the data unit.

Abstract: A memory circuit is described comprising a plurality of memory elements, wherein each memory element is configured to store one data element of a plurality of data elements, an error correction information memory configured to store joint error correction information of the plurality of data elements, for each memory element, an error detection information memory storing error detection information for the data element stored in the memory element and a memory access circuit configured to, for an access to a memory element of the plurality of memory elements, check whether the error detection information for the data element stored in the memory element indicates an error of the data element stored in the memory element and, depending on whether the error detection information for the data element stored in the memory element indicates an error of the data element stored in the memory element, to process the error correction information for the access.

Abstract: A semiconductor device includes first and second memory cell arrays, each including a plurality of memory cells, each of which is connected between first and second terminals and is configured to be written to a first resistance state by applying a first current in a first direction between the first and second terminals and be written to a second resistance state by applying a second current in a second direction opposite to the first direction between the first and second terminals. The semiconductor device further includes an error-correction circuit and a control circuit. Additional apparatus and methods are disclosed.

Abstract: Techniques for encoding data for non-volatile memory storage systems are disclosed. In one particular embodiment, the techniques may be realized as a method including determining whether the memory includes a defective memory cell, receiving a message to be written to the memory, sub-dividing the message into a plurality of sub-messages, generating a first error correction code for the sub-messages, the first error correction code being a first type, generating a plurality of second error correction codes for the sub-messages, the second error correction codes being a second type different from the first type, generating a combined message comprising the sub-messages, the first error correction code, and the plurality of second error correction codes, and writing the combined message to the memory, at least a portion of the combined message being written to the defective memory cell.

Abstract: Systems and methods for internal copy-back with read-verify are described. In one embodiment, a storage device includes a controller to select a first single level cell (SLC) page of a plurality of SLC pages on the storage device to transfer to a triple level cell (TLC) page. The controller, in conjunction with an error correcting code (ECC) decoder, read-verifies the first SLC page. Read-verifying the first SLC page includes reading the first SLC page to an internal page buffer, decoding the first SLC page read into the internal page buffer, determining a number of errors contained in the first SLC page based at least in part on the decoding, and verifying whether the number of errors contained in the first SLC page satisfies an error threshold. The controller transfers the first SLC page to the TLC page according to a result of read-verifying the first SLC page.

Abstract: A data storage system stores sets of data blocks in extents located on storage devices. During operation, the system performs an erasure-coding operation by obtaining a set of source extents, wherein each source extent is stored on a different machine in the data storage system. The system also selects a set of destination machines for storing destination extents, wherein each destination extent is stored on a different destination machine. Next, the system performs the erasure-coding operation by retrieving data from the set of source extents, performing the erasure-coding operation on the retrieved data to produce erasure-coded data, and then writing the erasure-coded data to the set of destination extents on the set of destination machines. Finally, after the erasure-coding operation is complete, the system commits results of the erasure-coding operation to enable the set of destination extents to be accessed in place of the set of source extents.

Abstract: A data storage device may include a memory device suitable for storing data and reading stored data as read data, and a bit distribution check unit suitable for performing a first error detection operation on the read data, based on a bit distribution of the read data.

Abstract: Apparatus, systems, and methods for error correction in memory are described. In one embodiment, a memory controller comprises logic to receive a read request for data stored in a memory, retrieve the data and at least one associated error correction codeword, wherein the data and an associated error correction codeword is distributed across a plurality of memory devices in memory, apply a first error correction routine to decode the error correction codeword retrieved with the data and in response to an uncorrectable error in the error correction codeword, apply a second error correction routine to the plurality of devices in memory. Other embodiments are also disclosed and claimed.

Abstract: A method renews data in a flash memory which is organized in memory units and whose memory units which have been written to are error-protected using ECC words. The memory units which have been written to are test-read in regularly activated test-reading cycles, and either individual memory units which have been written to or all memory units which have been written to are renewed on the basis of the ECC error states which have occurred in a test-reading cycle.

Abstract: The present disclosure relates to methods and systems for implementing redundancy in memory controllers. The disclosed systems and methods utilize a row of memory blocks, such that each memory block in the row is associated with an independent media unit. Failures of the media units are not correlated, and therefore, a failure in one unit does not affect the data stored in the other units. Parity information associated with the data stored in the memory blocks is stored in a separate memory block. If the data in a single memory block has been corrupted, the data stored in the remaining memory blocks and the parity information is used to retrieve the corrupted data.

Abstract: An operation method of a flash memory system includes: obtaining first syndrome values to a codeword; obtaining locations of errors and the number of the locations of errors based on the first syndrome values; error-correcting the codeword by flipping bit values of error bits of the codeword based on the locations of errors to generate an error-corrected codeword; obtaining second syndrome values to the error-corrected codeword; determining whether an error is found in the error-corrected codeword based on the second syndrome values; changing the first syndrome values when it is determined that no error is found in the error-corrected codeword; and restoring the error-corrected codeword to the codeword by re-flipping the flipped bit values when it is determined that an error is found in the error-corrected codeword.

Abstract: A data storage device for storing N-symbol codewords.

Abstract: Embodiments of the present invention provide an apparatus and methods for converting a volatile memory module device to a non-volatile memory module device. In one embodiment, a male contact edge of a memory module device is inserted to a first memory module device socket of a memory module device adaptor, the memory module device adaptor having a first male contact edge. Power is provided to the memory module device in the event of a system failure. Diodes operatively connected to one or more power pins of the first memory module device socket prevent current from flowing to the battery to one or more power pins of the male contact edge of the memory module device adaptor. Applications needing dedicated memory are registered and, in the event of a system failure memory module device data associated with the registered applications can be recovered without the use of flash memory.

Abstract: An imminent state reset of a data storage device is detected. In response to determining volatile data of the data storage device could be lost in response to the state reset, the volatile data of the data storage device is stored to a backup memory of the data storage device together with first header data that facilitates recovering the volatile data. The backup memory includes non-volatile, solid-state memory. In response to determining the volatile data would not be lost in response to the state reset, second header data is stored in the backup memory. After the state reset, a recovery of the volatile data from in the backup memory is attempted if the first header data is detected, or a host device is alerted if neither the first header data or second header data is detected.

Abstract: In one embodiment, I/O operations may be swapped from an original storage unit to a replacement storage unit in a manner which can reduce or eliminate delays caused by copying of data from the original storage unit to the replacement storage unit. A point-in-time snap copy relationship between the original storage unit and the replacement storage unit of storage locations is established and I/O operations are swapped from the original storage unit to the replacement storage unit. The I/O operations are resumed, accessing the replacement storage unit instead of the original storage unit in the input/output operations issued by the at least one host. Other aspects are described.

Abstract: Disclosed is a method for managing content on an information handling device, involving identifying creation of new content on the information handling device; tagging the content created on the information handling device with a unique identifier; and storing the unique identifier in a registry. When a risk to the information handling device is perceived, a plug-in on the device efficiently manages the content on the device.

Abstract: As disclosed herein, a method for optimizing data synchronization when performing a block-level backup includes receiving a customized merging plan, and creating a padding map that includes missing data information, and sending the padding map to a local backup server to request missing data. The method further includes receiving from the local backup server the missing data, and performing a snapshot consolidation according to the customized merging plan to provide a consolidated snapshot.

Abstract: A system divides a source computer storage device into a plurality of logical volumes, and creates a first recovery point data file and a first recovery point index file. In response to an incremental backup of a first logical volume, the system creates a second recovery point index file comprising a plurality of indices. In response to no data changing in a particular block in the first logical volume, the system points an index in the second recovery point index file to the particular block in the first logical volume. In response to data changing in the particular block in the first logical volume, the system creates a corresponding new block in a second recovery point data file. The system points the index in the second recovery point index file to the corresponding new block in the first logical volume.

Abstract: Filtering a directory enumeration of a directory to exclude files with missing file content from an image backup. In one example embodiment, a method for filtering a directory enumeration of a directory to exclude files with missing file content from an image backup may include exposing an image backup to directory enumeration commands, receiving a directory enumeration command corresponding to a directory of a file system of the exposed image backup, generating a filtered directory enumeration that excludes files where the files are listed in file system metadata (FSM) for the directory of the file system of the exposed image backup but where the file content of the files is missing from the exposed image backup, and returning the filtered directory enumeration.

Abstract: Various embodiments for managing production data are described herein. In one example of a method for managing production data, the method can include allocating, via a processor, a first storage area to store production data for an external computing device. The method can also include receiving a write request comprising production data to be stored in the first storage area. In addition, the method can include detecting that the first storage area does not have available space to store the production data and allocating, via a processor, a second storage area to store the production data. Furthermore, the method can include transferring, via a processor, production data stored in the first storage area to a backup device.

Abstract: Embodiments in accordance with the present invention disclose a method, computer program product, and system for optimizing performance of a computer backup solution that includes at least two data movers. The automated method includes measuring data mover performance during operation of a backup cycle, and optimizing the performance of data movers by increasing or decreasing the number of threads operating concurrently in the data movers. The method further includes computation of performance rankings of the data movers and shifting workload among the data movers in accordance with their respective performance rankings, such that the computer backup solution converges toward an optimized configuration.

Abstract: A method and/or computer program product recovers files that are generated by an application running on a client-server system that comprises a back-up client with a client back-up tool and a server with a server back-up tool. Application files are backed up on the server, and then restored to a back-up client based on file usage behavior of the application and their priority, and file stubs are created for remaining files. File usage behavior of the application performing data recovery and regular data processing after said restore process are monitored and analyzed, and files in different types of priority classes are classified based on file usage behavior. Existing file stubs at the back-up client are replaced with corresponding file content from the back-up server during runtime of the application based on predetermined criteria.