01-12-2015
Quote:
Originally Posted by
Don Cragun
Not quite. It shows the size of the static data segment loaded when the process starts; it doesn't show the size of data allocated while the process is running (as in the 3 calls to malloc() in the given code snippet).
It is correct that the size command wont tell us anything about the runtime size of the heap allocated...but even accounting for malloc wont tell us how much data is allocated on the stack where function arguments and local variables are pushed...
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LEARN ABOUT DEBIAN
gmk_hy
gmk_hy(1) Scotch user's manual gmk_hy(1)
NAME
gmk_hy, gmk_m2, gmk_m3, gmk_ub2 - create source graphs
SYNOPSIS
gmk_hy [options] dim [ofile]
gmk_m2 [options] [-gcfile] dimX dimY [ofile]
gmk_m3 [options] [-gcfile] dimX dimY dimZ [ofile]
gmk_ub2 [options] dim
DESCRIPTION
The gmk_* programs create source graph files for some common, regular topologies.
gmk_hy creates a hypercube of dimension dim.
gmk_m2 creates a 2D regular grid of dimensions dimX and dimY.
gmk_m3 creates a 3D regular grid of dimensions dimX, dimY and dimZ.
gmk_ub2 creates an unoriented de Bruijn graph of dimension dim.
OPTIONS
-b base
For gmk_m2 and gmk_m3 only. Output graphs with base value set to base. Default value is 0.
-e For gmk_m2 only. Build a 8-neighbor grid rather than a 4-neighbor grid.
-gcfile
For gmk_m2 and gmk_m3 only. Output graph vertex coordinates (that is, geometry data to be used by gout(1)) in file cfile.
-h Display some help.
-t For gmk_m2 and gmk_m3 only. Create torus graphs, that is, graphs such that there exist loop edges between vertices of rank 0 and
(dim-1) in every dimension.
-V Display program version and copyright.
EXAMPLE
Create a 5x7 grid along with its geometry:
$ gmk_m2 5 7 -g/tmp/m5x7.xyz /tmp/m5x7.grf
SEE ALSO
gbase(1), gmk_msh(1), gtst(1), gmap(1), gord(1), gout(1), amk_grf(1).
Scotch user's manual.
AUTHOR
Francois Pellegrini <francois.pellegrini@labri.fr>
February 14, 2011 gmk_hy(1)