Abstract
We have developed a high-performance FFT on SGI Altix 3700, improving the efficiency of the floating-point operations required to compute FFT by using a kind of loop fusion technique. As a result, we achieved a performance of 4.94 Gflops at 1-D FFT of length 4096 with an Itanium 21.3 GHz (95% of peak), and a performance of 28 Gflops at 2-D FFT of 40962 with 32 processors. Our FFT kernel outperformed the other existing libraries. © Springer-Verlag Berlin Heidelberg 2007.
Cite
CITATION STYLE
Nukada, A., Takahashi, D., Suda, R., & Nishida, A. (2007). High performance FFT on SGI Altix 3700. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4782 LNCS, pp. 396–407). Springer Verlag. https://doi.org/10.1007/978-3-540-75444-2_40
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