Low overhead page recompression
AssigneeRambus Inc.
InventorsEvan Lawrence Erickson, Christopher Haywood
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Abstract
An apparatus and method for low page overhead recompression. In one embodiment a memory buffer integrated circuit (IC) device is disclosed that includes a first circuit configured to independently compress equally sized portions of a page of data, and a second circuit configured to store the compressed data portions at respective addresses in memory. The memory buffer IC device also includes a third circuit configured to store a page table comprising an entry with information related to the respective memory addresses.
Claims20
A memory buffer integrated circuit (IC) device comprising:
- a first circuit configured to independently compress equally sized portions of a page of data;
- a second circuit configured to store the compressed data portions at respective addresses in memory, and;
- a third circuit configured to store a page table comprising an entry with information related to the respective memory addresses.
A method comprising:
- independently compressing equally sized portions of a page of data;
- storing the compressed data portions at respective addresses in memory;
- creating a table, wherein the table comprises a plurality of entries, a first of which comprises information related to the addresses in memory where the compressed data portions are respectively stored.
A memory buffer integrated circuit (IC) device comprising:
- a first circuit configured to compress some but not all of a page of data;
- a second circuit configured to store the compressed data of the page in memory and uncompressed data of the page in the memory.
Dependencies are inferred from the claim text.