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Organizing Memory to Optimize Memory Accesses of C

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专利名称:Organizing Memory to Optimize Memory

Accesses of Compressed Data

发明人:Praveen KRISHNAMURTHY,Peter B.

HOLMQUIST,Wishwesh GANDHI,TimothyPURCELL,Karan MEHRA,Lacky SHAH

申请号:US14925920申请日:20151028

公开号:US20170123977A1公开日:20170504

专利附图:

摘要:In one embodiment of the present invention a cache unit organizes data stored

in an attached memory to optimize accesses to compressed data. In operation, the cacheunit introduces a layer of indirection between a physical address associated with amemory access request and groups of blocks in the attached memory. The layer ofindirection—virtual tiles—enables the cache unit to selectively store compressed datathat would conventionally be stored in separate physical tiles included in a group ofblocks in a single physical tile. Because the cache unit stores compressed data associatedwith multiple physical tiles in a single physical tile and, more specifically, in adjacentlocations within the single physical tile, the cache unit coalesces the compressed data intocontiguous blocks. Subsequently, upon performing a read operation, the cache unit mayretrieve the compressed data conventionally associated with separate physical tiles in asingle read operation.

申请人:NVIDIA CORPORATION

地址:Santa Clara CA US

国籍:US

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