Abstract: A data processing method, an execution workstation, an electronic device, and a computer-readable storage medium are provided. The method includes: receiving a task allocated to each processing core of the plurality of processing cores from a management workstation; separately executing the task allocated to each processing core by each processing core of the plurality of processing cores, and generating a task result with a pre-determined data structure after each execution of a task; merging the task result generated by each processing core after each execution into a shared task result stored in an internal memory of the execution workstation, the shared task result and the task result generated by each processing core after each execution having a same data structure; and when a pre-determined condition is satisfied, using the shared task result for conducting reduction with a task result of another execution workstation.

Abstract: A three-dimensional (3D) NAND memory device includes a substrate, a staircase region including a first stack and a second stack, a barrier structure extending vertically through the first stack and laterally separating the first stack from the second stack, and a through array contact extending vertically through the first stack to the substrate. The first stack is disposed on the substrate and includes first and second dielectric layers arranged alternately in a vertical direction. The second stack is disposed on the substrate and includes conductor layers and third dielectric layers arranged alternately in the vertical direction. The barrier structure has an unclosed shape.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals passing through the pair of first through holes; a moving part; a first magnetizer within the contact chamber and connected with the moving part; a movable member movably within the contact chamber and including a movable contact piece for contacting with or separating from the static contact leading-out terminals; and a fixing magnetizer fixedly arranged within the contact chamber. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals respectively passing through the through holes; a moving part; a first magnetizer within the contact chamber and including a plurality of magnetic conductive sheets stacked with each other, the magnetic conductive sheets are connected with the moving part; and a movable member including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer can be movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes in communication with the contact chamber, a pair of static contact leading-out terminals passing through the pair of first through holes, respectively, a moving part movable relative to the contact container, a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer is movable relative to the movable contact piece through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes, respectively; a fixing member within the contact chamber and fixedly connected with the insulating cover; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member movably within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes; a fixing member including a fixing part and a connector with a tubular structure, the connector is fixedly connected between the insulating cover and the fixing part; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes, a pair of static contact leading-out terminals respectively passing through the pair of first through holes, a moving part, a first magnetizer within the contact chamber and connected with the moving part; and a movable member including a movable contact piece and a second magnetizer. The movable contact piece may contact with or separate from the pair of static contact leading-out terminals. The first and second magnetizers are arranged at opposite sides of the movable contact piece and formed a magnetic circuit. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the second magnetizer according to a value of a current flowing through the movable contact piece.

Abstract: A relay includes a contact container including a yoke plate and an insulating cover connected with the yoke plate to form a contact chamber; a pair of static contact leading-out terminals passing through a pair of first through holes of the insulating cover; a fixing member within the contact container and fixedly connected with the yoke plate; a movable member within the contact chamber and including a movable contact piece configured to come into contacted with or separated from the pair of static contact leading-out terminals; a moving part movable connected to the fixing member; and a first magnetizer connected with the moving part. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

Abstract: A magnetic shielding structure for a relay contact and a relay are provided, the magnetic shielding structure includes a contact assembly, which includes a movable contact piece and a pair of stationary contact lead-out terminals, which can contact with or separate from each other; an anti-short circuit assembly, which is at least disposed at a side of the movable contact piece along a third direction, and can generate suction force when a faulty high current in the movable contact piece for resisting an electrodynamic repulsion force between the movable contact piece and the stationary contact lead-out terminals; a permanent magnet, which is disposed around the contact assembly to achieve arc extinguishing; a first magnetic shielding member, which is sleeved on the outside of a stationary contact lead-out terminal and blocks the magnetic field transmitted from the permanent magnet to the anti-short circuit assembly.

Abstract: A relay includes a contact assembly, the contact assembly includes a movable contact piece and a pair of stationary contact lead-out terminals, the movable contact piece is configured to contact with or separate from the pair of stationary contact lead-out terminals. At least one of the sides of the stationary contact lead-out terminals and the movable contact piece close to each other is provided with an inner contact portion, and the stationary contact lead-out terminals and the movable contact piece are abutted only by the inner contact portion, and the inner contact portion is disposed on a side where the pair of stationary contact lead-out terminals are close to each other.

Abstract: The present disclosure discloses a high-voltage DC relay comprising a cover, a main contact leading-out terminal, a coil bobbin, an auxiliary contact leading-out terminal and a coil leading-out terminal, wherein the cover and the coil bobbin are arranged up and down; two main contact leading-out terminals and two auxiliary contact leading-out terminals are respectively fixed on a top wall of the cover and their bottom ends respectively extend into a cavity of the cover; a winding shaft of the coil bobbin is vertically arranged; the coil leading-out terminal is mounted in a flange of the coil bobbin; the high-voltage DC relay also comprises a first connecting assembly and a second connecting assembly, wherein the first connecting assembly is composed of a first plastic element and a first conductive element, the second connecting assembly is composed of a second plastic element and a second conductive element.

Abstract: A high-voltage DC magnetic latching relay, including stationary contact lead-out terminals, a movable spring, a pushing rod component, and a direct-acting magnetic latching magnetic circuit structure including a movable iron core, a coil assembly, a stationary iron core, a yoke plate, a yoke cylinder and permanent magnets. The coil assembly is inside the yoke cylinder and provided with an iron core hole, the stationary iron core is provided in the iron core hole, the movable iron core is provided in the iron core hole and located between the yoke plate and the stationary iron core; the permanent magnets are mounted between the yoke plate and the coil assembly and positions thereof corresponds to a position of the movable iron core; a first spring is provided between the movable iron core and the stationary iron core, a second spring is provided between the movable iron core and the yoke plate.

Abstract: A data processing method, an execution workstation, a distributed computing system and a computer-readable storage medium.

Abstract: A computer cluster is configured to perform distributed computing on graph data, the computer cluster includes a first computer and a second computer, the first computer is configured to process a vertex in a first vertex set in the graph data, the second computer is configured to process a vertex in a second vertex set in the graph data, the first vertex set includes a first source vertex, the second vertex set includes a first destination vertex corresponding to the first source vertex. A communication method includes: generating information of the first source vertex; determining the second computer based on pre-recorded mapping relationship information, where the second computer is configured to process information of the first destination vertex; and sending a first communication message to the second computer, where the first communication message includes the information of the first source vertex.

Abstract: A battery management system includes a sampling control unit, a DC/DC conversion unit, and an energy storage unit. When the battery pack needs to be heated, based on battery parameters of the battery pack and a voltage and a current limit value of the DC/DC conversion unit, the sampling control unit may control, in each of at least one consecutive first cycle, the battery pack to discharge to the energy storage unit by using the DC/DC conversion unit; control, in each of at least one consecutive second cycle, the energy storage unit to charge the battery pack by using the DC/DC conversion unit; and control, in the at least one consecutive first cycle and the at least one consecutive second cycle, an average charge/discharge current value of the battery pack to be less than or equal to a charge/discharge current limit value.

Abstract: Embodiments of this specification disclose graph data partition computer-implemented methods, non-transitory, computer-readable media, and computer-implemented systems. A computer-implemented method includes partitioning vertices in graph data into a plurality of dataset. Edges in the graph data are partitioned into datasets that include target vertices of the edges, where the datasets are used by nodes in a distributed cluster to perform graph computation, and where computational loads of the plurality of datasets are similar Implementations of this specification can achieve load balancing between nodes in the distributed cluster and can reduce communication overhead.

Abstract: Embodiments of this specification provide distributed data processing methods, apparatuses, and devices. One method includes: determining an active vertex set that currently participates in data processing in target graph data, in response to determining that an external memory of a first distributed node stores an active vertex in the active vertex set, determining, from a plurality of predetermined data processing modes, a target data processing mode that matches the active vertex set, determining, based on the target data processing mode, a to-be-updated vertex according to the association relationship with the active vertex, and sending, based on first data of the active vertex in the external memory, a first update message to a target distributed node in which the to-be-updated vertex is located.

Abstract: A data fusion method and apparatus for a LiDAR system includes a source LiDAR and at least one secondary LiDAR for obtaining a first point cloud data set of the LiDAR system at a first time point and a second point cloud data set of the system at a second time point separately; determining candidate transformation matrix sets based on the first point cloud data set, where each candidate transformation matrix set includes candidate transformation matrices for transforming point cloud data of a corresponding secondary LiDAR into a coordinate system of the source LiDAR; selecting a target transformation matrix from candidate transformation matrices in each of the candidate transformation matrix sets based on the second point cloud data set; and fusing point cloud data of the source LiDAR and point cloud data of the at least one secondary LiDAR based on a target transformation matrix corresponding to each secondary LiDAR.

Abstract: A computer executed parallel program scalability bottleneck detection method is provided, which includes: building a program structure graph for a program source code; collecting performance data based on a sampling technique during runtime; the performance data including: performance data of each vertex of the program structure graph and inter-process communication dependence of communication vertices; building a program performance graph by filling the program structure graph with the collected performance data, the program performance graph recording data and control dependence of each process as well as inter-process communication dependence; detecting problematic vertices from the program performance graph, and starting from some or all of the problematic vertices, backtracking through data/control dependence edges within a process and communication dependence edges between different processes, to detect scalability bottleneck vertices.