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Otherwise the script spams the home directory and, in case there are folders of previous attempts lying around, it may fail in some unexpected way. llvm-svn: 160677
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5.4 KiB
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189 lines
5.4 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
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<title>Polly - Getting Started</title>
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<link type="text/css" rel="stylesheet" href="menu.css" />
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<link type="text/css" rel="stylesheet" href="content.css" />
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</head>
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<body>
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<!--#include virtual="menu.html.incl"-->
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<div id="content">
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<h1>Getting Started: Building and Installing Polly</h1>
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<h2> Automatic </h2>
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There is a <a href="polly.sh">script</a> available to automatically checkout,
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update, build, and test Polly. This script contains all the commands that are
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subsequently described on this webpage. The automatic installation consists
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of four simple steps:
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<pre>
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mkdir polly && cd polly
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wget http://polly.llvm.org/polly.sh
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chmod +x polly.sh
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./polly.sh
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</pre>
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<h2> Manual </h2>
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<h3 id="source"> Get the code </h3>
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The Polly source code is available in the LLVM SVN repository as well as through
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an official git mirror. It is added to the <em>tools</em>
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directory of the llvm sources.
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<b>Polly and LLVM need to be checked out at the same time. Checkouts
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from different dates may not work!</b>
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<h4>Set the directory layout:</h4>
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<pre>
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export BASE=`pwd`
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export LLVM_SRC=${BASE}/llvm
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export POLLY_SRC=${LLVM_SRC}/tools/polly
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# Also build the matching clang-version (optional)
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export CLANG_SRC=${LLVM_SRC}/tools/clang
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</pre>
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<h4>SVN</h4>
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<pre>
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svn checkout http://llvm.org/svn/llvm-project/llvm/trunk ${LLVM_SRC}
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svn checkout http://llvm.org/svn/llvm-project/polly/trunk ${POLLY_SRC}
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# Also build the matching clang-version (optional)
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svn checkout http://llvm.org/svn/llvm-project/cfe/trunk ${CLANG_SRC}
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</pre>
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<h4>GIT</h4>
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<pre>
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git clone http://llvm.org/git/llvm.git ${LLVM_SRC}
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git clone http://llvm.org/git/polly.git ${POLLY_SRC}
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# Also build the matching clang-version (optional)
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git clone http://llvm.org/git/clang.git ${CLANG_SRC}
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</pre>
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<h3 id="prerequisites"> Prerequisites </h3>
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<ul>
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<li>libgmp</li>
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<li>CLooG/isl</li>
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</ul>
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<h4> libgmp </h4>
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Install libgmp (library + developer package) through the package management
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system of your operating system.
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<h4> CLooG/isl</h4>
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Polly is tested with a fixed version of <a href="http://www.cloog.org">CLooG</a>
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and isl. To obtain the source code of CLooG (including isl) use
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checkout_cloog.sh as available in ${POLLY_SRC}/utils/checkout_cloog.sh.
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<h4>Set the directory layout:</h4>
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<pre>
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export CLOOG_SRC=${BASE}/cloog_src
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export CLOOG_INSTALL=${BASE}/cloog_install
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</pre>
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<h4> First installation</h4>
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<pre>
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${POLLY_SRC}/utils/checkout_cloog.sh ${CLOOG_SRC}
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cd ${CLOOG_SRC}
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./configure --prefix=${CLOOG_INSTALL}
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make
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make install
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cd ${BASE}
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</pre>
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<h4> Update the installation</h4>
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Updating CLooG may become necessary, if Polly uses a feature
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only available in a recent version of CLooG.
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<pre>
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${POLLY_SRC}/utils/checkout_cloog.sh ${CLOOG_SRC}
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cd ${CLOOG_SRC}
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make
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make install
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cd ${BASE}
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</pre>
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<h3 id="build">Build Polly</h3>
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To build Polly you can either use the autoconf or the cmake build system. At the
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moment only the autoconf build system allows to run the llvm test-suite and only
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the cmake build system allows to run 'make polly-test'.
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<h4>Set the directory layout:</h4>
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<pre>
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export LLVM_BUILD=${BASE}/llvm_build
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mkdir ${LLVM_BUILD}
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cd ${LLVM_BUILD}
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</pre>
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<h4>CMake</h4>
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<pre>
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cmake -DCMAKE_PREFIX_PATH=${CLOOG_INSTALL} ${LLVM_SRC}
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make
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</pre>
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<h4> Autoconf </h4>
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<pre>
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${LLVM_SRC}/configure --with-cloog=${CLOOG_INSTALL} --with-isl=${CLOOG_INSTALL}
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make
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</pre>
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<h3> Test Polly</h3>
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<p>To check if Polly works correctly you can run <em>make polly-test</em> for the
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cmake build or <em>make polly-test -C tools/polly/test/</em> for the autoconf
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build.
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<p>If you get something like <em>"... libisl.so.9: cannot open shared object file .."</em>,
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it is because you installed cloog to a non-standard path, and libisl/libcloog
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could not be found. To solve this issue, you need to append the path of parent
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directory of libisl/libcloog, i.e. ${CLOOG_INSTALL}/lib, to LD_LIBRARY_PATH by:
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<pre>export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${CLOOG_INSTALL}/lib</pre>
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<h2> Optional Features </h2>
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<h3> Pocc </h3>
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<p>Polly can use <a href="http://www.cse.ohio-state.edu/~pouchet/software/pocc">
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PoCC</a> as an external optimizer. PoCC is a research project that provides
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an integrated version of <a href="http://pluto.sf.net">Pluto</a>, an
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advanced data-locality and tileability optimizer. Polly includes internally
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already a similar optimizer, such that in general PoCC is not needed. It is
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only recommended for people who want to compare against a different
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optimizer.</a>
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<br/>
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To use it install PoCC 1.0-rc3.1 (the one with Polly support) and add it to your PATH.
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<pre>
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wget <a
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href="http://www.cse.ohio-state.edu/~pouchet/software/pocc/download/pocc-1.0-rc3.1-full.tar.gz">http://www.cse.ohio-state.edu/~pouchet/software/pocc/download/pocc-1.0-rc3.1-full.tar.gz</a>
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tar xzf pocc-1.0-rc3.1-full.tar.gz
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cd pocc-1.0-rc3.1
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./install.sh
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export PATH=$PATH:`pwd`/bin
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</pre>
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You also need to install scoplib-0.2.0 and provide its location to
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Polly's cmake or configure call.
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<pre>
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wget <a
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href="http://www.cse.ohio-state.edu/~pouchet/software/pocc/download/modules/scoplib-0.2.0.tar.gz"
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>http://www.cse.ohio-state.edu/~pouchet/software/pocc/download/modules/scoplib-0.2.0.tar.gz</a>
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tar xzf scoplib-0.2.0.tar.gz
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cd scoplib-0.2.0
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./configure --enable-mp-version --prefix=/path/to/scoplib/installation
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make && make install
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</pre>
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</div>
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</body>
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</html>
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