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Modern HPC applications put forward significant I/O requirements. To deal with them, MPI provides the MPI-IO API for parallel file access. ROMIO library implements MPI-IO and provides efficient support for parallel I/O in C and Fortran based applications. On the other hand, Java based MPI-like libraries such as MPJ Express and F-MPJ have emerged but they lack parallel I/O support. Little research...
Nowadays, there are many technologies supporting object-relational mapping (ORM) for J2EE technology. Based on different persistence mechanisms, this article compares three methods of database accessing in performance, easy programming, and portability. The testing results indicate it would increase management efficiency and performance when combining both Hibernate and Spring frameworks. With the...
The performance of embedded systems often suffers from strict cost/size and power/energy limitations. This is especially important for very small systems that are sold in a high number of items like smart cards and RFID controllers. On one hand, small hardware platforms are developed to minimize cost and power consumption. On the other hand, applications have to fulfill strict performance demands...
Hbase is the open source version of BigTable - distributed storage system developed by Google for the management of large volume of structured data. Hbase emulates most of the functionalities provided by BigTable. Like most non SQL database systems, Hbase is written in Java. The current work's purpose is to evaluate the performances of the Hbase-0.20.2 implementation in comparison with those of the...
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