Techniques for compression memory coloring
Techniques and computing devices for compression memory coloring are described. In one embodiment, for example, an apparatus may include at least one memory, at least on processor, and logic for compression memory coloring, at least a portion of the logic comprised in hardware coupled to the at least one memory and the at least one processor, the logic to determine whether data to be written to memory is compressible, generate a compressed data element responsive to determining data is compressible, the data element comprising a compression indicator, a color, and compressed data, and write the compressed data element to memory. Other embodiments are described and claimed.
1. An apparatus to provide compression memory coloring, comprising:
at least one memory;
at least one processor; and
logic to perform compression memory coloring, at least a portion of the logic comprised in hardware, the logic to:
determine whether data to be written to a memory location in memory is compressible,
generate a non-compressible data element responsive to determining a data conflict,
generate a compressed data element responsive to determining data is compressible, the compressed data element comprising a compression indicator, a color, and compressed data, wherein the color corresponds to an association of the memory location with one or more processes, and
write the compressed data element to the memory location in memory.
2. The apparatus of claim 1 , the compression indicator to indicate whether the compressed data element comprises compressed data.
3. The apparatus of claim 1 , the color comprising at least a portion of a memory address.
4. The apparatus of claim 1 , the compressed data element comprising compression metadata.
5. The apparatus of claim 1 , comprising a compression engine, the compression engine comprising the logic for compression memory coloring.
6. The apparatus of claim 1 , the logic to determine whether there is a data conflict with the compression indicator.
7. The apparatus of claim 1 , the memory comprising a conflict table for storing conflict information for disambiguating non-compressible conflicting data.
8. The apparatus of claim 1 , comprising reading logic to read a data element generated via compression memory coloring, at least a portion of the logic comprised in hardware, the reading logic to:
determine whether the data element comprises the compression indicator,
determine a color value of compressed data element,
decompress the compressed data to generate decompressed data,
determine whether the color value matches color in an address associated with the data element, and
read the decompressed data.
9. The apparatus of claim 8 , the reading logic to read the decompressed data to at least one cache of the processor.
10. The apparatus of claim 8 , the reading logic to determine whether the data element comprises a conflict indicator responsive to determining that the data element does not comprise the compression indicator.
11. A method to perform compression memory coloring, the method comprising:
determining whether data to be written to a memory location in memory is compressible;
generating a non-compressible data element responsive to determining a data conflict;
generating a compressed data element responsive to determining data is compressible, the compressed data element comprising a compression indicator, a color, and compressed data, wherein the color corresponds to an association of the memory location with one or more processes; and
writing the compressed data element to the memory location in memory.
12. The method of claim 11 , the compression indicator to indicate whether the compressed data element comprises compressed data.
13. The method of claim 11 , the color comprising at least a portion of a memory address.
14. The method of claim 11 , comprising determining whether there is a data conflict with the compression indicator.
15. The method of claim 11 , comprising storing conflict information for disambiguating non-compressible conflicting data in a conflict table.
16. The method of claim 11 , comprising reading a data element generated via compression memory coloring, by:
determining whether the data element comprises the compression indicator,
determining a color value of compressed data element,
decompressing the compressed data to generate decompressed data,
determining whether the color value matches color in an address associated with the data element, and
reading the decompressed data.
17. A non-transitory computer-readable storage medium that stores instructions for execution by processing circuitry of a computing device to perform compression memory coloring, the instructions to cause the computing device to:
determine whether data to be written to a memory location in memory is compressible;
generate a non-compressible data element responsive to determining a data conflict;
generate a compressed data element responsive to determining data is compressible, the compressed data element comprising a compression indicator, a color, and compressed data, wherein the color corresponds to an association of the memory location with one or more processes; and
write the compressed data element to the memory location in memory.
18. The non-transitory computer-readable storage medium of claim 17 , the compression indicator to indicate whether the compressed data element comprises compressed data.
19. The non-transitory computer-readable storage medium of claim 17 , the color comprising at least a portion of a memory address.
20. The non-transitory computer-readable storage medium of claim 17 , the instructions to cause the computing device to determine whether there is a data conflict with the compression indicator.
21. The non-transitory computer-readable storage medium of claim 17 , the instructions to cause the computing device to store conflict information for disambiguating non-compressible conflicting data in a conflict table.
22. The non-transitory computer-readable storage medium of claim 17 , the instructions to cause the computing device to read a data element generated via compression memory coloring, by:
determining whether the data element comprises the compression indicator,
determining a color value of compressed data element,
decompressing the compressed data to generate decompressed data,
determining whether the color value matches color in an address associated with the data element, and
reading the decompressed data.