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Predicated instructions, SIMD [SW04] P. Sanders and S. Winkel. Super - PowerPoint PPT Presentation

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Special instructions: Predicated instructions, SIMD [SW04] P. Sanders and S. Winkel. Super Scalar Sample Sort . 12th Annual European Symposium on Algorithms (ESA), LNCS 3221, 784-796, 2004. [SGL09] Benjamin Schlegel, Rainer Gemulla, Wolfgang

  1. Special instructions: Predicated instructions, SIMD [SW04] P. Sanders and S. Winkel. Super Scalar Sample Sort . 12th Annual European Symposium on Algorithms (ESA), LNCS 3221, 784-796, 2004. [SGL09] Benjamin Schlegel, Rainer Gemulla, Wolfgang Lehner. k-ary search on modern processors . 5th International Workshop on Data Management on New Hardware (DaMoN), 52-60, 2009. [K+10] C. Kim, J. Chhugani, N. Satish, E. Sedlar, A.D. Nguyen, T. Kaldewey, V.W. Lee, S.A. Brandt, and P. Dubey. FAST: fast architecture sensitive tree search on modern CPUs and GPUs . 2010 ACM SIGMOD International Conference on Management of data, 339-350, 2010.

  2. Conditional instruction: cmovge for (int i=0; i<100; i++) if (X[i]>50) large+=7; L6: cmpl $51, (%edi,%eax,4) leal 7(%edx), %ecx cmovge %ecx, %edx addl $1, %eax cmpl $100, %eax jne L6

  3. Super Scalar Sample Sort n n 5 100 1000 Straightline Insertion- QuickSort Recurse code Sort k =256 [SW04] P. Sanders and S. Winkel. Super Scalar Sample Sort . European Symposium on Algorithms 2004.

  4. Multiway Comparisons SIMD (Single instruction, multiple data) [K+10] FAST: fast architecture sensitive tree search on modern CPUs and GPUs . SIGMOD 2010.

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