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Data compression could ameliorate the I/O pressure of data-intensive scientific applications. Unfortunately, the conventional wisdom of naively applying data compression to the file or block brings the dilemma between efficient random accesses and high compression ratios. File-level compression barely supports efficient random accesses to the compressed data: any retrieval request need trigger the...
Increasing number of cores in parallel computer systems are allowing scientific simulations to be executed with increasing spatial and temporal granularity. However, this also implies that increasing larger-sized datasets need to be output, stored, managed, and then visualized and/or analyzed using a variety of methods. In examining the possibility of using compression to accelerate all of these steps,...
Compute cycles in high performance systems are increasing at a much faster pace than both storage and wide area bandwidths. To continue improving the performance of large-scale data analytics applications, compression has therefore become promising approach. In this context, this paper makes the following contributions. First, we develop a new compression methodology, which exploits the similarities...
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