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.
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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

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GRID GRAPH

#nodes = 1.60e+08 ( = 40000 x 4000 )
#edges = 3.20e+08
#buckets = 0
#nodes which fit in internal memory = 1.60e+08
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EVENTS
total time:   0.00000 sec., section time:   0.00000 sec.  -  begin
total time: 219.62663 sec., section time: 219.62663 sec.  -  graph generated/imported
total time: 389.11300 sec., section time: 169.48637 sec.  -  Kruskal: edges sorted
total time: 392.19538 sec., section time:   3.08238 sec.  -  Kruskal: data structures initialized
total time: 957.23230 sec., section time: 565.03692 sec.  -  Kruskal: edges processed
total time: 957.37500 sec., section time:   0.14270 sec.  -  end
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RESULT
Minimum Spanning Tree:
total weight = 42754621272542
#edges = 159999999
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TIMING

total time = 7.37748e+02 sec.
time / m = 2.30578e-06 sec.
time / (m ln m) = 1.17740e-07 sec.
[m = #edges] 
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DUPLICATES
#duplicates removed = 0
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