Lossless machine learning activation value compression

A memory device, comprising:

• a memory;
• and
• a memory interface, configured to:
• identify, in data to be compressed, a first set of values, wherein the first set of values include a first number of two or more consecutive identical non-zero values;
• include, in compressed data, a first control value indicating the first number of non-zero values and a first data item corresponding to the consecutive identical non-zero values;
• identify, in the data to be compressed, a second value having an exponent value included in a defined set of exponent values;
• include, in the compressed data, a second control value indicating the exponent value and a second data item corresponding to a portion of the second value other than the exponent value;
• and
• include, in the compressed data, a third control value indicating a third set of one or more consecutive zero values in the data to be compressed.

A non-transitory computer-readable medium storing instructions that, when executed by a processor, cause the processor to:

• identify, in data to be compressed, a first set of values, wherein the first set of values include a first number of two or more consecutive identical non-zero values;
• include, in compressed data, a first control value indicating the first number of non-zero values and a first data item corresponding to the consecutive identical non-zero values;
• identify, in the data to be compressed, a second value having an exponent value included in a defined set of exponent values;
• include, in the compressed data, a second control value indicating the exponent value and a second data item corresponding to a portion of the second value other than the exponent value;
• and
• include, in the compressed data, a third control value indicating a third set of one or more consecutive zero values in the data to be compressed.