Multiplier-Accumulator Circuitry and Pipeline using Floating Point Data, and Methods of using Same

An integrated circuit comprising:

• a multiplier-accumulator execution pipeline, coupled to first memory, including a plurality of multiplier-accumulator circuits to, in operation, perform multiply and accumulate operations, wherein each multiplier-accumulator circuit includes:
• a multiplier, coupled to the first memory, to multiply first input data, having a first floating point data format, by filter weight data, having the first floating point data format, and to generate and output product data having a second floating point data format, and
• an accumulator, coupled to the multiplier of the associated multiplier-accumulator circuit, to add second input data and the product data output by the associated multiplier to generate sum data;
• and
• wherein, the plurality of multiplier-accumulator circuits of the multiplier-accumulator execution pipeline are connected in series to form a ring architecture and, in operation, perform a plurality of concatenated multiply and accumulate operations.

An integrated circuit comprising:

• first memory to store data;
• first conversion circuitry, coupled to the first memory, to receive and convert the data from the first memory to first input data having a first floating point data format;
• second memory to store filter weight data having a second data format;
• second conversion circuitry, coupled to the second memory, to receive and convert the filter weight data from the second memory to filter weight data format having the first floating point data format;
• a multiplier-accumulator execution pipeline, coupled to the first conversion circuitry and the second conversion circuitry, wherein the multiplier-accumulator execution pipeline includes a plurality of multiplier-accumulator circuits to, in operation, perform multiply and accumulate operations, wherein each multiplier-accumulator circuit includes:
• a multiplier, coupled to the first memory, to multiply the first input data, having the first floating point data format, by the filter weight data, having the first floating point data format, and to generate and output product data having a second floating point data format, and
• an accumulator, coupled to the multiplier of the associated multiplier-accumulator circuit, to add second input data and the product data output by the associated multiplier to generate sum data;
• and
• wherein, the plurality of multiplier-accumulator circuits of the multiplier-accumulator execution pipeline are connected in series to form a ring architecture and, in operation, perform a plurality of concatenated multiply and accumulate operations.