International Business Machines Corporation

Wen Bao Yin

Jun Liao

Dan Dan Wang

Yicheng Feng

Shiwen He

Rui Shen

Wei Zhang

Yu Wang

Kun Peng Wang

You Miao Zhang

Wanfei Yan

Ming Jun Xu

Yi Cheng Feng

Yang Liu

Yan Chen

Jin Jiang

Tong Zhao

Yue Xu

Ao Qiong Li

Li Li Gu

Da Lei Zhang

Xuan Zou

Xiao Yu Wang

Shan Shan Zhao

You Hang Wang

Shi He

Ze Gui Pang

Xu Yue

Tong Hao Ding

Jia Jun Lu

Zegui Pang

Le Yi Zhou

Hai Tao Han

According to one embodiment, a method, computer system, and computer program product for webpage replay is provided. The embodiment may include acquiring one or more commands each indicating changes of at least one virtual Document Object Model (DOM) node of a virtual DOM of a webpage corresponding to a timestamp for a session. The embodiment may include determining one or more virtual DOM differentials corresponding to respective timestamps for the session based on the one or more commands and a first data dictionary. The first data dictionary is created based on a base virtual DOM of the webpage including a plurality of virtual DOM nodes. The embodiment may include generating one or more patched virtual DOMs of the webpage corresponding to respective timestamps for the session. The embodiment may include replaying the webpage for the session based on the base virtual DOM and the patched virtual DOMs.

Replaying a webpage based on virtual document object model

A computer-implemented method includes positioning a sliding window over a string of data and calculating a hash value using a rolling hash function for data encompassed by the sliding window. The method includes determining whether the calculated hash value for the data encompassed by the sliding window matches the value of an element in a cut point candidate (CPC) array by comparing the calculated hash value to the value of a first element in the CPC array. In response to the calculated hash value being equal to the value of the first element in the CPC array, the method includes defining an index of the sliding window as the cutting point for a data block.

Fixed chunk size deduplication with variable-size chunking

A method and a system for creating a workload distribution plan on a storage system. The method includes, for each storage location, initializing components for at least one data type, such that the components establish a baseline distribution percentage. The method also includes writing data packages onto the storage system over a predetermined time period. The method also includes, for each data type on each storage location, creating a workload distribution plan, where the workload distribution plan distributes a workload of the storage system to the storage location. The method also includes implementing the workload distribution plan on the storage system.

Dynamically altered data distribution workload on a storage system

A method includes receiving, by a device, a request to input information through a virtual canvas, the device includes a projector and a camera, the virtual canvas providing an input space to a user of the device, the virtual canvas includes a region of a blank surface illuminated by the projector, based on the received request, enabling the projector and the camera, detecting a distance between the device and the virtual canvas, based on the detected distance, adjusting the projector and the camera to focus on the virtual canvas, capturing a movement made by an object on the virtual canvas, the movement is associated with the information being input, converting the movement into a plurality of frames, each frame is associated with the movement, processing the plurality of frames to obtain the input information, and projecting the input information on the virtual canvas.

Inputting information using a virtual canvas

A computer-implemented method, and associated system and computer program product, for use in a design process for an integrated circuit (IC) comprises dividing a layout of a metal layer of the IC into a grid comprising a plurality of grid regions, calculating a respective weight for each grid region of the plurality of grid regions, and forming a plurality of groups based on a similarity of the respective weights. Each group of the plurality of groups respectively comprises one or more contiguous grid regions of the plurality of grid regions. The method further comprises assigning each group of the plurality of groups to a respective routing width group type of a plurality of routing width group types, and determining a location for one or more separator cells between adjacent groups of the plurality of groups that are of different routing width group types.

Metal layer routing based on grid regions

Method and apparatus for global routing optimization are provided herein. Optimizing global routing of a circuit, includes recursively generating, in parallel, a plurality of candidate wiring layouts for an integrated circuit, wherein each candidate wiring layout of the plurality of candidate wiring layouts corresponds to a respective parameter super-group of a plurality of parameter super-groups, wherein the plurality of parameter super-groups form a parameter set; calculating a Quality of Result (QoR) measure for each candidate wiring layout in an iteration; combining selected parameter super-groups of the iteration, based on the QoR measure, to form a new plurality of parameter super-groups for a next iteration; and determining a best parameter super-group from the parameter sets for use in globally routing the circuit.

Global routing optimization

The present disclosure relates to a method and system for taking photos. According to another embodiment of the present invention, there is provided a system. The system includes an electronic device having a camera. The electronic device is configured to determine an object to be taken by the camera. Then the electronic device is configured to determine at least one shooting parameter for the object based on at least one previous photo related to the object. The electronic device is further configured to cause a setting of the camera to be adjusted based on the at least one shooting parameter. According to a further embodiment of the present invention, there is provided a computer program product. The computer program produce is tangibly stored on a non-transient machine-readable medium and include machine-executable instructions.

Taking personalized photos

A computer-implemented method includes detecting a gesture on a touch-sensitive surface of a device, and determining whether the gesture is performed with respect to a predefined region on the touch-sensitive surface. The computer-implemented method further includes, in response to determining that the gesture is performed with respect to the predefined region, controlling an interaction focus on the touch-sensitive surface based on the gesture. A corresponding electronic device and computer program product are also disclosed.

Input control on a touch-sensitive surface

A method and apparatus for protecting a network communication security. In one embodiment, there is provided a method for protecting network communication security at a server. The method comprises: in response to a request from a client, determining whether a token from the client is included in a valid token queue, the valid token queue being a First-In-First-Out queue; in response to the token being included in the valid token queue, managing the valid token queue based on a position of the token in the valid token queue; and sending a response to the client based on the managing of the valid token queue. There is further disclosed a corresponding method and apparatuses at client side.

Protecting network communication security

Embodiments of the present invention allow a data segment stored in a compressed format to be directly staged into a cache allowing access to the data segment. In operation, a request to access a data segment is received. In response, whether the data segment is stored in a compressed format is determined. If the data segment is stored in the compressed format, the data segment is staged directly into a cache.

High performance data storage management using dynamic compression

In an approach for managing a storage system, distribution of storage volumes among a plurality of storage controller groups may be adjusted dynamically or adaptively based on the current access hot degrees of respective storage volumes in the storage system. In this way, optimized distribution of storage volumes can be achieved without user interference. Such redistribution eliminates the degradation of performance of the storage system.

Cache utilization to efficiently manage a storage system

A computer-implemented method includes receiving, by one or more sensors, data for one or more cycles, each of the one or more cycles including one or more slots. The computer-implemented method further includes combining the one or more slots from each of the one or more cycles into a combined slot group. The computer-implemented method further includes converting the combined slot group into a converted slot group. The computer-implemented method further includes monitoring the converted slot group for an anomaly. The computer-implemented method further includes, responsive to the anomaly: Comparing the anomaly to one or more known anomalies to determine a correlation between the anomaly and the one or more known anomalies, and determining the anomaly location. The computer-implemented method further includes reporting a problem condition based on at least one of the correlation and the anomaly location. A corresponding computer system and computer program product are also disclosed.

Real-time detection of wheel anomalies

A method and apparatus for power delivery network (PDN) analysis comprises obtaining time-domain single-pulse current response of the PDN, computing a maximum transient simultaneous switching noise (SSN) of the PDN according to the time-domain single-pulse current response, and determining that noise performance of the PDN conforms to a design requirement of the PDN if the maximum transient SSN is less than a PDN SSN threshold. Transient characteristics of the PDN can be analyzed.

Power delivery network analysis

Embodiments of present invention include a method and apparatus of estimating power supply of a 3D IC. The method particularly includes obtaining current information and layout information of circuit modules contained in a specific region of the 3D IC, gridding the specific region so as to form at least one three-dimensional grid having a plurality of side edges along chip stacking direction of the 3D IC, determining current of at least one of the plurality of side edges based on the current information and layout information of the circuit modules, and estimating power supply of the 3D IC based on the current of the at least one side edge. With the method and apparatus embodiments of the invention, power supply of a 3D IC may be effectively estimated and analyzed.

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Shanghai, China

Wen Bao Yin