Add very base of performance test project

doc/mainpage.dox

+
+/**	@mainpage Set of test performance
+ * 	
+ *	<a href="coverage/cov_report.html">See test coverage detail from gcovr</a><br />
+	<a href="coverage/Coverage.xml">See test coverage report</a>
+*/
+
+
+
+

install.sh

+#!/bin/bash
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+	export nbproc=`sysctl -n hw.physicalcpu`
+else
+	export nbproc=`nproc`	
+fi
+
+INSTALL_PREFIX="$1"
+
+if [ -z "$1" ]
+then
+	INSTALL_PREFIX=$HOME/usr
+fi
+
+export PATH=$INSTALL_PREFIX/bin:$PATH
+export LD_LIBRARY_PATH=$INSTALL_PREFIX/lib:$LD_LIBRARY_PATH
+export DYLD_LIBRARY_PATH=$INSTALL_PREFIX/lib:$DYLD_LIBRARY_PATH
+
+if [ -d build ]
+then
+	echo "Remove existing directory build"
+	rm -fr build
+fi
+
+mkdir -p build
+cd build
+
+cmake .. -DCMAKE_INSTALL_PREFIX=$INSTALL_PREFIX
+if [ $? != 0 ]
+then
+	echo "Error on cmake : exit -1"
+	exit -1
+fi
+
+make -j $nbproc
+if [ $? != 0 ]
+then
+	echo "Error on make : exit -1"
+	exit -1
+fi
+
+make install -j $nbproc
+if [ $? != 0 ]
+then
+	echo "Error on install : exit -1"
+	exit -1
+fi
+
+if [ -f $HOME/.bashrc ]; then
+	source $HOME/.bashrc
+fi
+
+
+

src/CMakeLists.txt

+project(Phoenix)
+cmake_minimum_required(VERSION 2.8)
+
+add_subdirectory(cpp20)
+

src/cpp20/CMakeLists.txt

+project(Phoenix)
+cmake_minimum_required(VERSION 2.8)
+
+add_subdirectory(saxpy)
+

src/cpp20/saxpy/CMakeLists.txt

+project(Phoenix)
+cmake_minimum_required(VERSION 2.8)
+
+

src/cpp20/saxpy/saxpy.cpp

+/***************************************
+	Auteur : Pierre Aubert
+	Mail : aubertp7@gmail.com
+	Licence : CeCILL-C
+****************************************/
+
+//some doc at : https://en.cppreference.com/w/cpp/header/algorithm
+#include <algorithm>
+
+//Some doc at : https://en.cppreference.com/w/cpp/header/execution
+#include <execution>
+
+
+#include "saxpy.h"
+
+///Do a classical saxpy
+/**	@param[out] tabRes : table of the result
+ * 	@param tabX : talbe of x values
+ * 	@param tabY : table of y values
+ * 	@param scal : scalar which multiplies tabX
+ * 	@param nbElement : number of elements in the tables
+*/
+void saxpy(float * tabRes, const float* tabX, const float* tabY, float scal, size_t nbElement){
+	std::transform(std::execution::par_unseq, tabX, tabX + N, tabY, tabRes,
+			[=](float xi, float yi){ return scal * xi + yi; });
+}
+
+

src/cpp20/saxpy/saxpy.h

+/***************************************
+	Auteur : Pierre Aubert
+	Mail : aubertp7@gmail.com
+	Licence : CeCILL-C
+****************************************/
+
+#ifndef __SAXPY_H__
+#define __SAXPY_H__
+
+#include <iostream>
+
+void saxpy(float * tabRes, const float* tabX, const float* tabY, float scal, size_t nbElement);
+
+
+#endif