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4 results about "Nibble" patented technology

In computing, a nibble (occasionally nybble or nyble to match the spelling of byte) is a four-bit aggregation, or half an octet. It is also known as half-byte or tetrade. In a networking or telecommunication context, the nibble is often called a semi-octet, quadbit, or quartet. A nibble has sixteen (2⁴) possible values. A nibble can be represented by a single hexadecimal digit and called a hex digit.

High-performance physical coupling structure layer

ActiveDE112013002880B4Version controlProgram documentationPathPingDifferential signaling
Device comprising: an interface logic for differential signaling on a plurality of paths, where the interface logic is configured to transmit a plurality of flits, wherein the plurality of flits has a plurality of nibbles, and wherein a first of the plurality of flits is transmitted with a clean flit boundary such that each of the plurality of paths is used to transmit initial nibbles of the first flit in a first unit interval (UI), and wherein initial nibbles of a second flit of the plurality of flits, together with final nibbles of the first flit, are transmitted on the plurality of paths during a subsequent UI.
Owner:INTEL CORP

System and method for computing the number of half-words in two block operands

ActiveCN116860334BControl storeNibble
The present disclosure relates to systems and methods for computing a number product of half-words in two block operands. In one example, an apparatus comprises a plurality of memory controllers, a level two (L2) cache memory, and a processor having a plurality of cores, a core including circuitry to perform an operation corresponding to an instruction, the operation including multiplying eight 4-bit data elements of a 32-bit element of a row m of a first matrix with a respective data element of eight 4-bit data elements of a respective 32-bit element of a column n of a second matrix to generate eight products, and storing a 32-bit result data element at row m in an M row and column n in an N column of a third matrix, the 32-bit result data element to be based on an accumulation of the eight products generated for each of K 32-bit elements of row m of the first matrix with the 32-bit data elements corresponding to row m of the first matrix and column n of the second matrix.
Owner:INTEL CORP

A hybrid differential byte-level discriminator search method

The application relates to a mixed differential byte-level distinguisher search method, and belongs to the technical field of network information security block cipher design and analysis. First, a mixed differential mode coding variable is introduced for each input byte and each output byte of each state matrix in a block cipher using (semi-) byte-level permutation as a linear diffusion layer, and a probability variable is introduced for the XOR operation of each layer of the linear diffusion layer. For the S-box operation of the nonlinear layer in the encryption process, a new coding variable does not need to be generated. The input (semi-) byte mixed differential coding variable, the output (semi-) byte mixed differential coding variable and the probability variable of each XOR operation of each round of the linear diffusion layer are given the restrictions, a mixed integer linear programming problem is established by taking the sum of the probability variables of all the XOR operations of the linear diffusion layer in the block cipher as the target for minimization, and finally a high-probability mixed differential distinguisher is obtained by solving the mixed integer linear programming problem.
Owner:BEIJING INST OF TECH

A method and system for identifying work order requirements by integrating big data analytics

This invention discloses a work order requirement identification method and system integrating big data analysis, relating to the field of work order data processing technology. It achieves accurate work order requirement identification through multi-module collaboration and multi-source data fusion. First, it obtains the original strings of multi-source candidate identifiers and converts them into half-byte sequences. The half-byte length is calculated, and the tail padding type label is determined based on the half-byte length, while filtering out non-protocol pseudo-strings. The half-byte sequence is processed according to the tail padding type label to obtain a pure numeric half-byte sequence. A 14-bit numerical sequence is extracted, and a 15-bit standard IMEI is calculated. Then, a half-byte verification sequence is generated in reverse, and a reversibility verification flag is generated after comparison. Based on the reversibility verification flag, the device allocation code (TAC) is extracted, and the device information is obtained by querying the device knowledge base in conjunction with the tail padding type label. The 15-bit standard IMEI, TAC, and device information are combined into a work order requirement identification triplet and written into the work order structured field, completing the work order requirement identification data encapsulation.
Owner:KUAISHOU AXIU INFORMATION TECH (SHANGHAI) CO LTD