We investigate the use of functional programming to develop a numerical linear algebra run-time; i.e. a framework where the solvers can be adapted easily to different contexts and task parallelism can be attained (semi-) automatically. We follow a bottom up strategy, where the first step is the design and implementation of a framework layer, composed by a functional version of BLAS (Basic Linear Algebra Subprograms) routines. The framework allows the manipulation of arbitrary representations for matrices and vectors and it is also possible to write and combine multiple implementations of BLAS operations based on different algorithms and parallelism strategies. Using this framework, we implement a functional version of Cholesky factorization, which serves as a proof of concept to evaluate the flexibility and performance of our approach.
marzo a abril de 2002. Se trabajó con centros de costos asociados a actividades finales, intermédias y de apoyo. Fueron definidos como centro de costos asociado a actividades finales ai proceso de producción y control de SÃO, realizado en el Departamento de Producción y Control, El centro de costos asociado a actividades intermédias (Campo Experimenta] y Serpentário) se definieron como los servicios que intervienen en Ias etapas previas a !a producción de SÃO y aportan los insumos (veneno y antisuero). Lãs actividades de apoyo se refieren ai envasado dei producto. Se considero costo directo a aquel asociado total e inequivocamente a un centro de costos. E! costo indirecto se considero ai asignado a un centro de costos de acuerdo a un critério preestablecido. Una vez obtenido el costo de Ia producción anual de 1.000 frascos se procedió a identificar los costos fijos y los variables para calcular el volumen de producción más rentable. El costo de producción de 1.
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