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Dense linear systems FORTRAN solvers on the IBM 3090 vector multiprocessor |
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| Authors: | G. Radicati Y. Robert P. Sguazzero |
| Affiliation: | IBM ECSEC, via Giorgione 159, 00147, Roma, Italy |
| Abstract: | The IBM 3090 is a vector multiprocessor with a hierarchical memory system. We show with two examples (the LU and Householder factorizations) that the complex memory system and the vector hardware can be used efficiently by recasting the basic algorithms in terms of high-level matrix-matrix modules. |
| Keywords: | Vector multiprocessor hierarchical memory system vectorization parallelization block processing Gaussian elimination Householder reduction |
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