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| DOI | 10.1016/J.FUTURE.2022.04.023 | ||||
| Año | 2022 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
This work presents Squeeze, an efficient compact fractal processing scheme for tensor core GPUs. By combining discrete-space transformations between compact and expanded forms, one can do data-parallel computation on a fractal with neighborhood access without needing to expand the fractal in memory. The space transformations are formulated as two GPU tensor-core accelerated thread maps, λ(ω) and ν(ω), which act as compact-to-expanded and expanded-to-compact space functions, respectively. The cost of the maps is O(log2logs(n)) time, with n being the side of a n×n embedding for the fractal in its expanded form, and s the linear scaling factor. The proposed approach works for any fractal that belongs to the Non-overlapping-Bounding-Boxes (NBB) class of discrete fractals, and can be extended to three dimensions as well. Experimental results using a discrete Sierpinski Triangle as a case study shows up to ∼12× of speedup and a memory reduction factor of up to ∼315× with respect to a GPU-based expanded-space bounding box approach. These results show that the proposed compact approach will allow the scientific community to efficiently tackle problems that up to now could not fit into GPU memory.
| Revista | ISSN |
|---|---|
| Future Generation Computer Systems The International #Journal Of Grid Computing And E Science | 0167-739X |
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Quezada, Felipe A. | Hombre |
Universidad Austral de Chile - Chile
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| 2 | NAVARRO-GUERRERO, CRISTOBAL ALEJANDRO | Hombre |
Universidad Austral de Chile - Chile
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| 3 | HITSCHFELD-KAHLER, NANCY VIOLA | Mujer |
Universidad de Chile - Chile
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| 4 | BUSTOS-CARDENAS, BENJAMIN EUGENIO | Hombre |
Universidad de Chile - Chile
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| Fuente |
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| Universidad Austral de Chile |
| ANID Fondecyt |
| Temporal research group |
| Patagon supercomputer from Universidad Austral de Chile (Fondequip) |
| Agradecimiento |
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| This research was supported by the Temporal research group ( http://temporal.uach.cl ), the ANID FONDECYT grants #1221357 , #1211484 and the Patagón supercomputer from Universidad Austral de Chile (Fondequip EQM180042 ). |
| This research was supported by the Temporal research group (http://temporal.uach.cl) , the ANID FONDECYT grants #1221357, #1211484 and the Patagon supercomputer from Universidad Austral de Chile (Fondequip EQM180042) . |