10-19-99, optimized as hell, loaded down though. We win at 8M! NODES: 1 PE 0: Machine: 8 CPUS running at 1024 clk/s (load: 7.384) THREADS: 8 Parallel and serial three-coloring. Min size: 65536 Max size: 8388608 Iterations per size: 1 P/S Size Minimum Maximum Average Sigma Ser/Par Ser 65536 0.0107 0.0107 0.0107 0.0107 Par 65536 3.0088 3.0088 3.0088 3.0088 280.2522 Ser 131072 0.0215 0.0215 0.0215 0.0215 Par 131072 3.2231 3.2231 3.2231 3.2231 150.1075 Ser 262144 0.2036 0.2036 0.2036 0.2036 Par 262144 4.7101 4.7101 4.7101 4.7101 23.1360 Ser 524288 0.1454 0.1454 0.1454 0.1454 Par 524288 4.7515 4.7515 4.7515 4.7515 32.6736 Ser 1048576 1.3074 1.3074 1.3074 1.3074 Par 1048576 4.3793 4.3793 4.3793 4.3793 3.3495 Ser 2097152 3.0917 3.0917 3.0917 3.0917 Par 2097152 4.8770 4.8770 4.8770 4.8770 1.5774 Ser 4194304 5.9746 5.9746 5.9746 5.9746 Par 4194304 8.0484 8.0484 8.0484 8.0484 1.3471 Ser 8388608 21.4856 21.4856 21.4856 21.4856 Par 8388608 11.4451 11.4451 11.4451 11.4451 0.5327 Try with better stats: NODES: 1 PE 0: Machine: 8 CPUS running at 1024 clk/s (load: 6.256) THREADS: 8 Parallel and serial three-coloring. Min size: 65536 Max size: 8388608 Iterations per size: 3 P/S Size Minimum Maximum Average Sigma Ser/Par Ser 65536 0.0185 0.0195 0.0192 0.0004 Par 65536 2.1854 2.7306 2.4776 0.1942 129.0799 Ser 131072 0.0400 0.0420 0.0407 0.0008 Par 131072 0.8165 3.0625 2.2400 0.8752 55.0811 Ser 262144 0.0517 0.0517 0.0517 0.0000 Par 262144 1.8887 3.7931 2.6029 0.7337 50.3190 Ser 524288 0.1279 0.1288 0.1282 0.0004 Par 524288 1.8638 2.3338 2.0590 0.1732 16.0633 Ser 1048576 0.5280 1.2573 0.7895 0.2871 Par 1048576 2.7218 3.0283 2.8578 0.1104 3.6198 Ser 2097152 1.5852 2.8780 2.0200 0.5254 Par 2097152 4.0556 4.5423 4.3026 0.1721 2.1300 Ser 4194304 4.2879 6.9463 5.2560 1.0387 Par 4194304 6.7872 7.1005 6.9802 0.1193 1.3280 Ser 8388608 13.7023 16.8618 15.3929 1.1253 Par 8388608 9.5114 10.7544 9.9585 0.4887 0.6470