Efficient context save/restore during hardware decompression of DEFLATE encoded data

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United States of America Patent

PATENT NO 9715539
SERIAL NO

15130562

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Abstract

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A hardware accelerator receives a request to decompress a data stream that includes multiple deflate blocks and multiple deflate elements compressed according to block-specific compression configuration information. The hardware accelerator identifies a commit point that is based upon an interruption of a first decompression session of the data stream and corresponds to one of the deflate blocks. As such, the hardware accelerator configures a decompression engine based upon the corresponding deflate block's configuration information and, in turn, recommences decompression of the data stream at an input bit location corresponding to the commit point.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agarwal, Kanak B Austin, US 118 1547
Jamsek, Damir A Austin, US 27 308
Martin, Andrew K Austin, US 23 373
Rieke, Reiner Althengstett, DE 11 84
Vogt, Joerg-Stephan Holzgerlingen, DE 23 252
von, Boehn Gunnar Sulz am Neckar, DE 6 30

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