Matrix processing method and apparatus, and logic circuit

A graphics processing unit (GPU) for matrix processing, comprising:

• a processor including at least a logic circuit, wherein
• the processor is configured to invoke programs stored in a memory coupled to the processor, to perform:
• determining a plurality of non-zero elements in a to-be-processed matrix;
• generating a distribution matrix of the to-be-processed matrix, wherein the distribution matrix comprises identities for indicating first positions of the plurality of non-zero elements in the to-be-processed matrix;
• and
• perform matrix processing on the plurality of non-zero elements and a target matrix to obtain an operation result;
• and
• the logic circuit is further configured to:
• obtain the target matrix from another matrix by using the distribution matrix, wherein the target matrix comprises a plurality of target elements from the another matrix, and a position of each of the plurality of target elements in the another matrix corresponds to a position of a non-zero element in the to-be-processed matrix.

A matrix processing method performed by a graphics processing unit (GPU), comprising:

• determining, using at least one processor, a quantity of non-zero elements in a to-be-processed matrix, wherein the to-be-processed matrix is a one-dimensional matrix;
• generating, using the processor, a distribution matrix of the to-be-processed matrix, wherein the distribution matrix is used to indicate a position of a non-zero element in the to-be-processed matrix;
• and
• combining, using the processor, the quantity of non-zero elements, values of all non-zero elements in the to-be-processed matrix arranged sequentially, and the distribution matrix, to obtain a compressed matrix of the to-be-processed matrix.

A matrix processing apparatus, comprising:

• a graphics processing unit (GPU) comprising a processor and a memory, wherein
• the memory is configured to store a program;
• and
• the GPU is configured to invoke the program stored in the memory, such that the processor is configured to perform:
• determining a quantity of non-zero elements in a to-be-processed matrix, wherein the to-be-processed matrix is a one-dimensional matrix;
• generating a distribution matrix of the to-be-processed matrix, wherein the distribution matrix is used to indicate a position of a non-zero element in the to-be-processed matrix;
• and
• combining the quantity of non-zero elements, values of all non-zero elements in the to-be-processed matrix arranged sequentially, and the distribution matrix, to obtain a compressed matrix of the to-be-processed matrix.