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CI1164 Engenharia de Performance 2021
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Armando Luiz Nicolini Delgado
CI1164 Engenharia de Performance 2021
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0d1d5c4f
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3 years ago
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Armando Luiz Nicolini Delgado
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Informações de LIKWID
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<html>
<body>
O enunciado do exercício está
<A
HREF=
"https://moodle.c3sl.ufpr.br/mod/assign/view.php?id=24939"
>
aqui
</a>
O enunciado do exercício está
<A
HREF=
"https://moodle.c3sl.ufpr.br/mod/assign/view.php?id=24939"
>
aqui
</a>
<BR>
<BR>
<BR>
<BR>
O arquivo
<B>
perfctr
</B>
é um
<I>
script
</I>
shell para facilitar o uso de
<I>
likwid-perfctr
</I>
.
O arquivo
<B>
perfctr
</B>
é um
<I>
script
</I>
shell para facilitar o uso de
<I>
likwid-perfctr
</I>
.
<BR><BR>
<BR><BR>
<h1>
GUIA DE ACESSO ÀS MÁQUINAS DO LAB-03 / DINF
</h1>
Nos acessos abaixo, sempre use seu login/senha nas máquinas do DINF
<ol>
<LI>
Copiar seus arquivos locais para a máquina 'macalan':
<BR>
<DIV>scp -rp <sua_pasta_com_exercicio> <user_dinf>@macalan.c3sl.ufpr.br:.</DIV>
<LI>
Acessar 'macalan' com
<DIV>ssh <user_dinf>@macalan.c3sl.ufpr.br</DIV>
<LI>
Uma vez na 'macalan'
<div>
ssh
<maq_LAB3>
onde
<maq_LAB>
= {i29, i30, i31, ..., i40}
</div>
<LI>
<B>
ATENÇÃO:
</B>
Lembre-se de RECOMPILAR SEUS PROGRAMAS em
<maq_LAB3>
<h1>
GUIA DE CONFIGURAÇÃO DE FREQUENCIA DE RELÓGIO EM LINUX
</h1>
<LI>
Execute a seguinte linha de comando:
<div>
echo "performance" > /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
</div>
<LI>
Para retornar à frequencia original
<div>
echo "powersave" > /sys/devices/system/cpu/cpufreq/policy3/scaling_governor
</div>
<h1>
GUIA DE CONFIGURAÇÃO DO LINUX PARA USO DO LIKWID
</h1>
<LI>
Acrescentar linhas abaixo em '${HOME}/.bashrc' ou '/etc/profile':
<div>export LIKWID_HOME="/home/soft/likwid"
if [ -d "${LIKWID_HOME}" ] ; then
<div>
PATH="$PATH:${LIKWID_HOME}/bin:${LIKWID_HOME}/sbin"
export LIKWID_LIB="${LIKWID_HOME}/lib"
export LIKWID_INCLUDE="${LIKWID_HOME}/include"
export LIKWID_MAN="${LIKWID_HOME}/man"
export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${LIKWID_LIB}"
export MANPATH="$MANPATH:${LIKWID_MAN}"
</div>
fi
</div>
<LI>
Opções para compilação de programas:
<div>
gcc -DLIKWID_PERFMON -I${LIKWID_INCLUDE} -c
<prog.c>
gcc -o
<prog>
<prog.o>
-L${LIKWID_LIB} -llikwid
<div>
*
Nos códigos-fonte deve-se colocar
<div> #include <likwid.h><div>
</OL>
</body>
</html>
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