The generation of bitmap indexes and sorted datasets and querying are parallelized to work on large supercomputers. We show that SDS achieves 22X, 55X, and 62X ...
The design and implementation of one such service, the parallel querying service, is introduced, which achieves 22X, 55X, and 62X speedups compared to ...
We present details of the SDS server, parallel methods for generation of indexed or ordered files for supporting query evaluation, and transparent query ...
To improve the usability and to provide transparent parallel functionality, we develop an option that minimizes changes to the user program for data analysis.
A free platform for explaining your research in plain language, and managing how you communicate around it – so you can understand how best to increase its ...
The generation of bitmap indexes and sorted datasets and querying are parallelized to work on large supercomputers. We show that SDS achieves 22X, 55X, and 62X ...
[PDF] Parallel Query Processing Using Shared Memory Multiprocessors ...
dsf.berkeley.edu › ERL-M93-28
Because relational queries consist of uniform operations applied to uniform streams of data, they are ideally suited to parallel execution. Therefore, the way.
It is especially useful for scientific data as they are generally write-once-read-many and do not require the costly bitmap update operation. We have used the ...
In this paper, we present the design of a new scientific data analysis system that efficiently processes queries directly over data stored in the HDF5 file ...
We discuss different alternatives for its design, taking into account the query processing strategies of the underlying database system. We address some ...
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