Opened Access A Two-Level Dynamic Chrono-Scheduling Algorithm


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Autor: Díaz del Río, Fernando
Sevillano Ramos, José Luis
Vicente Díaz, Saturnino
Cagigas Muñiz, Daniel
López Torres, M. R.
Departamento: Universidad de Sevilla. Departamento de Arquitectura y Tecnología de Computadores
Fecha: 2009
Publicado en: AICCSA 2009: 7th ACS/IEEE International Conference on Computer Systems and Applications (2009), p 109-116
ISBN/ISSN: 978-1-4244-3807-5
Tipo de documento: Ponencia
Resumen: We propose a dynamic instruction scheduler that does not need any kind of wakeup logic, as all the instructions are “programmed” on issue stage to be executed in pre-calculated cycles. The scheduler is composed of two similar levels, each one composed of simple “stations”, where the timing information is recorded. The first level is aimed to the group of instructions whose timing information cannot be calculated at issue (for example, those instructions whose latency is not predictable). The second level contains simple “stations” for the instructions whose execution and write back cycle have been already calculated. The key idea of this scheduler is to extract and record all possible information about the future execution of an instruction during its issue, so as not to look for this information again and again during wait stages at the reservation stations. Another additional advantage is that time critical parts can be identified as instruction timing information is ...
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Cita: Díaz del Río, F., Sevillano Ramos, J.L., Vicente Díaz, S., Cagigas Muñiz, D. y López Torres, M.R. (2009). A Two-Level Dynamic Chrono-Scheduling Algorithm. En AICCSA 2009: 7th ACS/IEEE International Conference on Computer Systems and Applications (109-116), Rabat, Morocco: IEEE Computer Society.
Tamaño: 741.2Kb
Formato: PDF


DOI: 10.1109/AICCSA.2009.5069312

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