36results about How to "Reduce cache requirements" patented technology

The present application discloses a hardware structure for realizing forward calculation of a convolutional neural network. The hardware structure comprises: a data off-chip caching module, used for caching parameter data in each to-be-processed picture that is input externally into the module, wherein the parameter data waits for being read by a multi-level pipeline acceleration module; the multi-level pipeline acceleration module, connected to the data off-chip caching module and used for reading a parameter from the data off-chip caching module, so as to realize core calculation of a convolutional neural network; a parameter reading arbitration module, connected to the multi-level pipeline acceleration module and used for processing multiple parameter reading requests in the multi-level pipeline acceleration module, so as for the multi-level pipeline acceleration module to obtain a required parameter; and a parameter off-chip caching module, connected to the parameter reading arbitration module and used for storing a parameter required for forward calculation of the convolutional neural network. The present application realizes algorithms by adopting a hardware architecture in a parallel pipeline manner, so that higher resource utilization and higher performance are achieved.

The invention discloses a method and a device for managing list items of a content addressable memory CAM. The method comprises the following steps: storing a priority level message which corresponds to each list item of the content addressable memory CAM; and when a plurality of matched list items are obtained by searching data to match the list items of the content addressable memory CAM, selecting one matched list item according to the priority level message which corresponds to each matched list item or the priority level message or a matched address message which corresponds to each matched list item. The invention is easy to realize and has high efficiency.

The embodiment of the invention discloses a data storage method. The data storage method comprises the steps that when a write command is detected, a first command frame used for acquiring available memory information is generated, the generated first command frame is forwarded to a storage controller, a host receives available memory information which is returned due to the fact that the storage controller responds to the first command frame, the available memory information comprises the address identification of a JBOD disk cluster and the address identification of an available memory, a data frame which comprises data to be written is constructed and sent, the address identification, carried by the data frame, of the available memory is used as the address identification of an available memory to be written, and a target address of the data frame is the address of an JBOD. According to the data storage method, the requirement for cache is low, the storage cost is saved, meanwhile, the host directly sends the data frame which comprises the data to be written to the memory to be written, and the efficiency of data storage is improved.

The invention discloses a method and a device for configuring machine class communication terminal capacity. The method and the device for configuring machine class communication terminal capacity are used for promoting a (machine to machine) M2M service to progress from a global system for mobile communication (GSM) to a long term evolution (LTE) system. Capacity parameters of machine type communication (MTC) terminal equipment are configured according to a bandwidth and a highest modulation system supported by the MTC terminal equipment, and the capacity of a buffer of the MTC terminal equipment is configured according to a total buffering channel bit number parameter. By limiting the receiving bandwidth and sending bandwidth of the MTC terminal equipment, the largest modulation order and the supported largest hybrid automatic repeat request (HARQ) process number of the MTC terminal equipment are limited, a total buffering channel bit number of the MTC terminal equipment is largely lowered, the buffering requirement of the MTC terminal equipment is lowered, and therefore the cost of the MTC terminal equipment is largely lowered, and the MTC service is promoted to progress from the GSM to the LTE system.

A transmitting system and method between the wireless network controllers and the base station belongs to mobile communication technology, which get high bandwidth Iub interface transmitting capability with low cost. There are two different type of transmitting line between the base station and the RNC, one is for the transmitting special line that transmits the audio operating frame, and the other is for the IP net that transmit the data operating frame. Setting different CFN for the voice operating frame and the data operating frame that according to transmitting delay of the pre-mensuration. Setting the bigger incept window for the transmitting line of the data operating frame. Setting the different IP address to realize separate-way transmit of the two operating frame if the transmitting special line use IP transmission; Configuring AAL2VC and IP address to realize separate-way transmission of the two operating frame if the transmitting special line use asynchronism transfer mode ATM.

The invention discloses an erasure correcting method and apparatus based on a flash memory storage device. The apparatus comprises an encoding module and a decoding module, the encoding module processes 16 input data blocks to obtain two verification data blocks, and the decoding module performs erasure correcting on received partially missing data by using the received two verification data blocks. The erasure correcting ability of the erasure correcting apparatus disclosed by the invention is M + 2, the protection ability of the erasure correcting apparatus is higher than that of the traditional RAID, few resources are occupied, meanwhile the erasure correcting delay is less than that of the traditional RS erasure code, the encoding only requires 2 clock cycles, and the decoding only requires 4 clock cycles. At the same time, breakpoint resume is supported, calculation can be performed without waiting for the preparation of all data blocks, and the data are calculated once arrival, therefore the requirements for the system cache are greatly reduced.

The invention provides an environmental sanitation operation stream media network video monitoring system. Through a video acquisition device, acquired video information, after being coded by a data transmission module, is streamed to a video server through a network for storage and is streamed to a monitoring end for playing or real-time live broadcasting. The environmental sanitation operation stream media network video monitoring system performs accompanying monitoring on collecting vehicles in sanitation work so as to deal with problems timely and avoid expansion of harmful effects when the collecting vehicles have problems. The environmental sanitation operation stream media network video monitoring system employs stream transmission so as to alleviate the burden of network transmission, reduce caching requirement for a monitoring end, can realize "playing while downloading, and implementing monitoring", and reduces the waiting time of monitoring people. Since the volume of a stream media file is quite small, the network transmission is quite fast, the obtaining is convenient and time-saving, and the network cost is also saved.

The invention discloses a system and method for non-stop routing during the switching of the main and standby disks of a control plane, and relates to the technical field of communication, and the method comprises the stepsthat the main disk stores the related information of a socket in a first socket proxy module when operating the socket, and then synchronizes the stored socket information to asecond socket proxy module; after receiving the socket information, the second socket proxy module stores the socket information and calls a TCP/IP module interface of the standby disk to obtain a corresponding socket; when the main disk and the standby disk are switched, the second socket proxy module traverses locally stored socket information to replace a standby disk protocol module to providekeep-alive messages of protocols corresponding to sockets; and after the switching between the main disk and the standby disk is completed, the socket proxy module stops replacing the standby disk protocol module to provide the keep-alive message. According to the method, the connection state between the standby disk and the neighbor equipment node protocol module can be kept uninterruptible in the lifting process of the standby disk, and non-stop routing is realized.

The invention discloses an AI-based intelligent image preprocessing method and system. The AI-based intelligent image preprocessing method comprises the steps: obtaining a sensing signal from an imagesensor in batches, carrying out the artificial intelligence processing, outputting a processing result to the image sensor for selective optimization, and enabling the image sensor to output the optimized sensing signal to an image signal processor for generating a digital image. According to the invention, the AI processing mode and the final imaging strategy can be flexibly adjusted according to different applications and requirements; in addition, the requirement for cache of the image sensor is low, and the whole picture can be processed only through a small amount of cache, and hardwarecost and power consumption are remarkably reduced. According to the invention, when AI processing is carried out on the input image, more pixel information in the vertical direction can be contained according to an adaptive occasion, and the algorithm performance of the intelligent camera in the application field sensitive to the context information in the vertical direction can be improved on thepremise that the hardware cost is not increased. The AI-based intelligent image preprocessing method can be used for but is not limited to face detection, pedestrian detection, vehicle identificationand the like.

The invention discloses a data query method, device and system. The data query method comprises the following steps: acquiring a condition column corresponding to a query condition in a query request and a target column corresponding to a query target in the query request from a compressed data block through the data query device, wherein the compressed data block is obtained through compressing an original data block by taking column width as a unit; determining a line mask corresponding to at least one continuous first compression record in the condition column according to the query condition; if determining that a second compression record in the condition column corresponds to at least one original record and the at least one original record is correspondingly same as an original record corresponding to the at least one continuous first compression record one by one, determining that a line mask corresponding to the second compression record comprises a line mask corresponding to the at least one continuous first compression record; and determining a query result corresponding to the query request according to the line mask corresponding to each compression record in the condition column and the target column, so as to improve the data query speed.

The invention provides a video record processing method, system and chip and a storage device. The video record processing method comprises an AVI record receiving file establishing step, namely, an AVI video receiving file is established in the storage device at the beginning of the video recording; an AVI data stream establishing step, namely, an AVI data stream is established according to a video stream provided by a video recording device in real time, and the AVI data stream is written into the AVI record receiving file, wherein the videos stream is composed of continuous streaming mediadata packets, and the AVI data stream is composed of a file header, streaming media data packets and an index packet corresponding to the streaming media data packets; and an AVI file generating step,namely, the streaming media data packets and the index packet in the AVI record receiving file are parsed out, and a file in the AVI format is generated. The cache occupation in the video recording process can be reduced by adopting the technical scheme of the invention.