| 摘要 |
A method of compressing a data set, said method comprising: inserting a plurality of reset tokens at pre-determined intervals within said data set, to convert said data set into a plurality if smaller data chunks; compressing a plurality of said data chunks simultaneously in parallel with each other 202, 203, to produce a plurality of compressed data chunks. The method may be applied in a data storage device such as in a tape drive storage system. Other embodiments disclosed include: <SL> <LI>1) A method of converting a data stream comprising a plurality of reset tokens, a plurality of compressed data chunks and a plurality of sections of junk (stuffing) data; into a continuous data stream having a constant bit rate wherein searching is performed for the plurality of reset tokens and between receiving immediately consecutive reset tokens a stream of dat is output and between receiving alternate immediately consecutive reset tokens no dat is output. <LI>2) A data processing channel comprising a first buffer memory 200 for receiving an incoming data set; a plurality of compression engines arranged in parallel 202, 203 and which each receive data chunks from the first buffer memory; a further buffer memory 205, 206, 207, 208, 209 for receiving and storing the plurality of compression processed data chunks from the plurality of compression engines; and a scheduler 201 for allocating the plurality of data chunks to the plurality of compression engines. <LI>3) A write channel comprising a first buffer memory 200 for receiving an incoming data set; a plurality of compression engines arranged in parallel 202, 203 and which each receive data chunks from the first buffer memory; a second buffer memory; and a packer device for receiving a stream of compression processed data chunks and a plurality of packing bytes and to remove the packing bytes in order to output a continuous stream of compression processed data chunks. </SL> |
