Scotch Brand 5.1.10 User Manual

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6.3.4

atst

Synopsis

atst

[input target file [output data file]] options

Description

The program atst is the architecture tester. It gives some statistics on
decomposition-defined target architectures, and in particular the minimum,
maximum, and average communication costs (that is, weighted distance) be-
tween all pairs of processors.

Options

-h

Display the program synopsis.

-V

Print the program version and copyright.

6.3.5

gcv

Synopsis

gcv

[input graph file [output graph file [output geometry file]]] options

Description

The program gcv is the source graph converter. It takes on input a graph
file of the format specified with the -i option, and outputs its equivalent
in the format specified with the -o option, along with its associated geom-
etry file whenever geometry data is available. At the time being, it accepts
four input formats: the Matrix Market format [5], the Harwell-Boeing col-
lection format [10], the Chaco/MeTiS graph format [24], and the Scotch
format. Three output format are available: the Matrix Market format, the
Chaco

/MeTiS graph format and the Scotch source graph and geometry

data format.

Options

-h

Display the program synopsis.

-iformat

Specify the type of input graph. The available input formats are listed
below.

b

[number]

Harwell-Boeing graph collection format. Only symmetric assembled
matrices are currently supported. Since files in this format can con-
tain several graphs one after another, the optional integer number,
starting from 0, indicates which graph of the file is considered for
conversion.

c

Chaco v1.0

/MeTiS format.

m

The Matrix Market format.

s

Scotch

source graph format.

-oformat

Specify the output graph format. The available output formats are listed
below.

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