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set_up.md

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Setting Up Memoro

Memoro consists of two parts - the compiler itself and the visualizer application. This guide will explain the various steps needed to set-up both of these tools.

Compiler

Memoro was built using a fork of LLVM/Clang and in-order to use Memoro you have to use these forks. They can be found here:

LLVM

Clang

CompilerRT

In order to set this up:

1. mkdir memoro_compiler
2. cd memoro_compiler
3. git clone -b memoro_80 https://github.com/epfl-vlsc/llvm.git
4. cd llvm/tools
5. git clone -b memoro_80 https://github.com/epfl-vlsc/clang.git
6. cd ../projects`
7. git clone -b memoro_80 https://github.com/epfl-vlsc/compiler-rt.git
8. cd ../../
9. mkdir build
10. cd build
11. cmake -G "Ninja" ../llvm
12. ninja

The above instructions are based off the main LLVM page. You need to have cmake installed for this to work.

There are other ways of doing this but this is a straightforward and tested way.

The above process will take some time to build. Once it is done, you can test your by running clang or clang++ in build/bin folder.

Visualizer

The visualizer is an electron application that will come in handy to analyse your output from memoro. The visalizer can be set-up as follows:

1. git clone https://github.com/epfl-vlsc/memoro/
2. cd memoro
3. npm install
4. cd cpp
5. make
6. cd ../
7. npm start

Note: for the above to work you need to have NodeJS/npm installed on your computer. The current tested version is v8.16.1. There is a cpp interface which has to built using node-gyp (install this using npm install -g node-gyp). The makefile will do the necessary after that.

Using Memoro

Now that you have both Memoro and the visualizer set-up, you can refer to here for how to use Memoro.