=== Valgrind ===
== Installazione ==

cd /prodotti\\
wget http://valgrind.org/downloads/valgrind-3.3.0.tar.bz2\\
mkdir valgrind\\
cd valgrind\\
mkdir gnu\\
mkdir intel\\
\\
RAMO GNU\\
module load openmpi/gnu\\
cd /prodotti\\
tar jvtf valgrind-3.3.0.tar.bz2\\
chown -R root:root valgrind-3.3.0\\
cd valgrind-3.3.0\\
CC=gcc CFLAGS=-O ./configure --prefix=/prodotti/valgrind/gnu\\
make\\
make check\\
make install\\
\\
\rm -r valgrind-3.3.0\\
module unload openmpi/gnu\\
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cd /csia/modules\\
mkdir valgrind\\
vi gnu (vedi sotto:)\\
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conflict openmpi/intel\\
conflict compiler/intel\\
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module load openmpi/gnu\\
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set vg "/prodotti/valgrind/gnu"\\
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prepend-path PATH $vg/bin\\
prepend-path MANPATH $vg/man\\
\\
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RAMO INTEL\\
module load openmpi/intel\\
cd /prodotti\\
tar jvtf valgrind-3.3.0.tar.bz2\\
chown -R root:root valgrind-3.3.0\\
cd valgrind-3.3.0\\
CC=icc CFLAGS=-O ./configure --enable-only64bit --prefix=/prodotti/valgrind/intel\\
make\\
vi valt_load_address_amd64_linux.lds (commentata la riga 193)\\
make\\
make install\\
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cd /csia/modules/valgrind\\
vi intel (vedi sotto:)\\
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conflict compiler/intel\\
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module load openmpi/intel\\
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set vg "/prodotti/valgrind/intel"\\
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prepend-path PATH $vg/bin\\
prepend-path MANPATH $vg/man\\
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\rm -r valgrind-3.3.0\\
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== Esempio d'uso  ==
(debug applicazione parallela sul frontend)\\
module load valgrind/gnu\\
mpicc -g ping_pong.c -o ping_pong_gnu\\
mpiexec --mca btl ^openib -np 2 valgrind -v ./ping_pong_gnu 100\\
\\