Sorting 134217728 values Rows: Parallel sorting threshold fraction Columns: Parallel partitioning threshold fraction 1 2 4 8 16 MLim HLim 1 14.94 - - - - 2.529 1.245 2 14.38 15.00 - - - 2.529 1.245 4 6.79 6.84 7.81 - - 2.529 1.245 8 5.16 6.11 5.64 6.97 - 2.529 1.245 16 3.99 4.61 4.78 5.87 6.17 2.529 1.245 32 3.13 3.95 4.04 5.08 5.87 2.529 1.245 64 2.85 3.91 3.74 4.40 6.53 2.529 1.245 128 2.71 3.65 3.88 4.49 5.66 2.529 1.245 256 2.73 3.44 3.93 4.35 4.79 2.529 1.245 512 2.74 3.44 3.99 5.11 5.13 2.529 1.245 1024 2.79 3.63 3.79 4.56 5.13 2.529 1.245 2048 2.85 3.67 4.04 4.67 5.48 2.529 1.245 4096 2.96 3.77 4.16 4.70 5.29 2.529 1.245 8192 3.10 3.85 4.40 5.45 5.70 2.529 1.245 16384 3.65 4.41 4.90 5.31 6.15 2.529 1.245