added main and cmake

cmake_minimum_required(VERSION 3.6)

project(blasJoin)

set(UTIL_SOURCES util/timer.cpp util/dataIo.cpp util/arguments.cpp util/allocation.cpp)

set(SOURCE_FILES main.cpp blasJoin/blasJoin.cpp ${UTIL_SOURCES})

#####################

# build type: Release

#####################

# NDDEBUG turns off asserts

if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")

  set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -march=knl -mtune=knl -fpic -ffast-math -O3 -DNDDEBUG -fopenmp -lmkl_core -lmkl_intel_lp64 -lmkl_intel_thread")

elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")

  set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -qopenmp -axCOMMON-AVX512 -O3 -liomp5 -lpthread -lmkl_core -lmkl_intel_lp64 -lmkl_intel_thread")

  # xeon phi (knl) specific:

  set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -lmemkind")

endif()

add_definitions(-DNUM_THREADS=64)

####################

# build type: Debug

####################

# cmake -D CMAKE_BUILD_TYPE:STRING=Debug ..

# and ignore the warning: "Manually-specified variables were not used by the project: CMAKE_BUID_TYPE"

if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")

  set(CMAKE_CXX_FLAGS_DEBUG "-std=c++11 -march=knl -mtune=knl -fpic -ffast-math -O0 -fopenmp")

elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")

  set(CMAKE_CXX_FLAGS_DEBUG  "-std=c++11 -fpic -qopenmp -axCOMMON-AVX512 -lmemkind -lmkl_core -lmkl_intel_lp64 -lmkl_intel_thread -liomp5 -lpthread -g -debug all -save-temps -Wl,-no_pie -O0")

endif()

# adding MKL include directory

include_directories($ENV{MKLROOT}/include)

# xeon-phi

link_directories($ENV{MKLROOT}/lib/intel64)

# libraries

find_library ( mkl_lp64_LIB NAMES libmkl_intel_lp64.a

        PATHS $ENV{MKLROOT} PATH_SUFFIXES lib)

find_library ( mkl_core_LIB NAMES libmkl_core.a

        PATHS $ENV{MKLROOT} PATH_SUFFIXES lib)

find_library ( mkl_thread_LIB NAMES libmkl_intel_thread.a

        PATHS $ENV{MKLROOT} PATH_SUFFIXES lib)

find_library ( mkl_omp_LIB NAMES libiomp5.a

        PATHS $ENV{MKLROOT} PATH_SUFFIXES lib)

add_executable(blasJoin ${SOURCE_FILES})

#include <stdio.h>

#include <omp.h>

#include "util/allocation.h"

#include "util/arguments.h"

#include "util/dataIo.h"

#include "blasJoin/blasJoin.h"

int main(int argc, char** argv) {

    double *x = NULL;

    CUtilTimer timer;

    char filename[] = "";

    double elapsed=0.0;

    bool isBinary = false;

    size_t threads = 64;

    size_t N=200, D=20;

    double EPS=0.2;

    parsing_args(argc,argv, &N, &EPS, &D, &threads, filename, isBinary);

    N = N * 1000;

    if ( threads != 0 ){

        omp_set_num_threads(threads);

    }

    x = (double*) ddr_alloc(sizeof (double)*N * D);

    if ( strcmp(filename,"" ) == 0) {

        random_init(x,N,D);

    }else{

        read_file(x, N, D, filename, isBinary);

    }

    elapsed = blasJoin( x, N, D, EPS, threads);

    printf("%d; %d; %f; %f\n", N,D,EPS,elapsed);

    ddr_free(x);

    return 0;

}