CONFIGURATION internal memory for sorting = 650 MB EdgeVector default block size = 2048 KB EdgeVector default #pages = 1 EdgeVector default page size = 4 block(s) MST vector block size = 2048 KB MST vector #pages = 1 MST vector page size = 4 block(s) external bucket block size = 512 KB external bucket page size = 1 block(s) internal buckets: no of blocks = 1500000 internal buckets: edges per block = 8 Duplicates are removed. The input is randomized. -------------------- STXXL-DISK-CONFIGURATION (.stxxl) disk=/mnt/hdq/stxxl,70000,syscall disk=/mnt/hdi/stxxl,70000,syscall disk=/mnt/hdk/stxxl,70000,syscall disk=/mnt/hde/stxxl,70000,syscall -------------------- RANDOM GRAPH #nodes = 4.00e+07 #edges = 1.60e+08 #buckets = 0 #nodes which fit in internal memory = 1.60e+08 -------------------- EVENTS total time: 0.00000 sec., section time: 0.00000 sec. - begin total time: 191.37876 sec., section time: 191.37876 sec. - graph generated/imported total time: 277.61802 sec., section time: 86.23926 sec. - Kruskal: edges sorted total time: 278.41088 sec., section time: 0.79286 sec. - Kruskal: data structures initialized total time: 509.19236 sec., section time: 230.78148 sec. - Kruskal: edges processed total time: 509.23060 sec., section time: 0.03823 sec. - end -------------------- RESULT Minimum Spanning Tree: total weight = 5997049533899 #edges = 39986491 -------------------- TIMING total time = 3.17852e+02 sec. time / m = 1.98657e-06 sec. time / (m ln m) = 1.05162e-07 sec. [m = #edges] -------------------- DUPLICATES #duplicates removed = 0 --------------------