7results about How to "Speed up reading" patented technology

The present invention proposes a storage method, system and computer device for log violation exception rule information, and the method and technology include defining an exception rule table; checking the log according to the exception rule table to generate the exception rule information violated by the log; encrypting the exception rule information; storing the encrypted exception rule information in the log; and also including the step of decrypting and reading the encrypted exception rule information. The present invention adopts sixty-binary encryption and binary inversion operation, occupies a small storage space, is accurate and efficient, has extremely high log protection security, and has good scalability, supports adding exception rules in the exception rule table, and has no effect on the previously stored exception rule violation information.

The present invention discloses a ductile iron pipe pressure test device and a pressure test method, and belongs to the technical field of pipeline pressure test. Aiming at the problems in the prior art that the pressure test of ductile iron pipes requires the construction of a backrest, the pressure test device is complicated, and the pressure test process is inefficient, the present invention provides a ductile iron pipe pressure test device, comprising a ductile iron pipe, one end of which is provided with a water supply mechanism and a pressure measuring mechanism, the other end of the ductile iron pipe is connected to one end of a steel pipe, the other end of the steel pipe is provided with a water supply mechanism and a pressure measuring mechanism, a plugging plate is provided inside the steel pipe, an inlet pipe is provided outside between the front and rear sections of the steel pipe, a pressure measuring mechanism is provided on the inlet pipe, and a water supply valve and an exhaust valve are provided on both sides of the pressure measuring mechanism. The pressure test device has a simple structure and is easy to install; and the pressure test method described in the present invention does not require the construction of a backrest on the ductile iron pipe, and the ductile iron pipe is subjected to a water pressure test through the steel pipe and the plugging plate inside the steel pipe, which is easy to operate, saves construction process, and accelerates construction efficiency.

The utility model provides a face recognition channel gate, and relates to the field of gates. The face recognition channel gate machine comprises a gate machine body, opening and closing doors are symmetrically and rotatably connected to the interior of the gate machine body, a face recognizer is rotatably connected to the top of the gate machine body, a recognition mechanism is arranged at the top of the gate machine body, and the recognition mechanism comprises an adjusting assembly and a fixing assembly. The end, away from the human face recognizer, of the threaded rod extends into the rotating groove, and the fixed rod is connected with a rotating wheel, through the arranged adjusting assembly, the recognition angle of the human face recognizer can be adjusted, the situation that recognition cannot be conducted or recognition is slow due to sunlight irradiation is avoided, the passing efficiency of pedestrians is improved, and through the arranged fixing assembly, the recognition angle of the human face recognizer can be adjusted. A user can directly insert an identity card into the identification groove, the situation that the identity card deviates from an identification area is avoided, the identity card can be accurately and rapidly identified, the structure is simple, and practicability is high.

The present application relates to a kind of optimization method and system of timing diagram subgraph matching.The method includes: time block is carried out to original timing diagram, and the edge with same end point is aggregated and compressed in each time block to generate intra-block multi-edge object, to build block index in turn;Query graph with time constraint is received, with the edge in query graph as matching unit to execute search, and maintain current legal time window;In candidate generation stage, according to current to be matched data vertex pair and current legal time window, construct cache key, and carry out exploration in hotspot cache;If hotspot cache is not hit, then use current legal time window to locate target time block, and execute intersection operation in target time block to generate candidate multi-edge list;When current to be matched data vertex pair meets preset hotspot condition, the candidate multi-edge list is written into hotspot cache;Continue to execute search based on the candidate multi-edge list of hit or generated candidate multi-edge list, until outputting model matching result.

This invention discloses a data classification method, apparatus, storage medium, and terminal for chip failure types. The method includes acquiring design information of the chip under test (DUT), and based on the design information, acquiring the DUT's size information, logical location-to-physical location correspondence information, and failure type information; acquiring test data of the DUT, and converting the test data into test physical location information based on the size information and logical location-to-physical location correspondence information; clustering the failure positions of the DUT using an optimized clustering algorithm based on the test physical location information to obtain failure clustering results; and classifying the failure positions of the DUT based on the failure type information and the failure clustering results to obtain failure classification results for the DUT. This method improves the efficiency of clustering operations by optimizing the clustering algorithm, saves memory occupied by the operation, and greatly improves the efficiency of chip failure type acquisition; it also improves data reading and saving efficiency and saves storage space.

The invention provides a data consistency verification method, electronic equipment and a program product, and relates to the technical field of data processing. The method comprises the following steps: creating at least one verification task according to primary key fragment information; executing each verification task in parallel, and determining a current first verification primary key of the first data table and a current second verification primary key of the second data table in each primary key region in a sliding manner according to the primary key region corresponding to each verification task and a primary key sorting mode in each primary key region; obtaining a plurality of first to-be-compared column data of a row where the current first verification primary key is located from the first data table, and obtaining a plurality of second to-be-compared column data of a row where the current second verification primary key is located from the second data table; and sequentially comparing the first column data to be compared with the corresponding second column data to be compared to obtain a comparison result of the first column data to be compared and the corresponding second column data to be compared. According to the method, the efficiency of data reading and data verification is improved.

The invention provides a molecular dynamics simulation atomic bonding state identification method and system based on a conditional random field, and the method comprises the steps: obtaining trajectory data generated through molecular dynamics simulation, and the trajectory data comprises atomic coordinates, atomic types and charge information which change with time; preprocessing the obtained trajectory data, screening a target atom set, and identifying potential bonding atom pairs frame by frame; based on the bonded atom pairs, extracting physical characteristics of the bonded atom pairs in each frame, including an inter-atomic Euclidean distance and a charge product; mapping the physical characteristics into a discrete observation state sequence; constructing a linear chain conditional random field model, and initializing model parameters to define conditional probability distribution between an observation state sequence and a hidden real keying state sequence; and inputting the observation state sequence into a linear chain conditional random field model, solving a hidden state sequence enabling the global probability to be maximum under conditional probability distribution by utilizing a Viterbi decoder, and obtaining an optimal keying state sequence of the atom pair changing along with time.