MPI slides add

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# Author: David Goz (david.goz@inaf.it)                               #

# June  2024                                                          #

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#

# To see all the compilation options

# $ make info

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# make.def defines how the application is compiled

include make.def

include make_mpi_path

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.PHONY: info mpi debug valgrind_memcheck valgrind_callgrind valgrind_cachegrind clean

info:

	@echo ' '

	@echo '-----------------------------------------------------------------------------------------'

	@echo '$$ make                     ---> compile the mpi application                             '

	@echo '$$ make debug               ---> compile the mpi application for debugger                '

	@echo '$$ make valgrind_memcheck   ---> run the mpi application using Valgrind under Memcheck   '

	@echo '$$ make valgrind_callgrind  ---> run the mpi application using Valgrind under Callgrind  '

	@echo '$$ make valgrind_cachegrind ---> run the mpi application using Valgrind under Cachegrind '

	@echo '$$ make clean               ---> clean up all                                            '

	@echo '$$ make info                ---> get make info                                           '

	@echo '-----------------------------------------------------------------------------------------'

	@echo ' '

mpi: $(PROG)

debug: $(PROG_DEBUG)

valgrind_memcheck: $(PROG_MEMCHECK)

	@echo 'oooOOO... valgrind_memcheck ...OOOooo'

	mpirun -n 4 valgrind --tool=memcheck -s --default-suppressions=yes --log-file=valgrind_memcheck_log_%p.txt ./$< 9 2

	@echo 'oooOOO... valgrind_memcheck ...OOOooo'

valgrind_callgrind: $(PROG_CALLGRIND)

	@echo 'oooOOO... valgrind_callgrind ...OOOooo'

	mpirun -n 4 valgrind --tool=callgrind --dump-instr=yes --collect-jumps=yes --log-file=valgrind_callgrind_log_.%p.txt ./$< 9 2

	@echo ' '

	@echo 'To generate a function-by-function summary from the profile data file:'

	@echo '$$ callgrind_annotate --auto=yes callgrind.out.<pid> | less'

	@echo '(kcachegrind is required in order to visualize the output using the GUI)'

valgrind_cachegrind: $(PROG_CACHEGRIND)

	@echo 'oooOOO... valgrind_cachegrind ...OOOooo'

	mpirun -n 4 valgrind --tool=cachegrind --log-file=valgrind_cachegrind_log_.%p.txt ./$< 9 2

	@echo '$$ cg_annotate --auto=yes cachegrind.out.<pid> | less'

	@echo '(kcachegrind is required in order to visualize the output using the GUI)'

	@echo 'oooOOO... valgrind_cachegrind ...OOOooo'

clean:

	rm -f *~ .*~ ./src/*~ ./src/*# ./include/*~ ./include/*# *~

	rm -f $(PROG) $(PROG_DEBUG) $(PROG_MEMCHECK) $(PROG_CALLGRIND) $(PROG_CACHEGRIND)

	rm -f valgrind_*.txt

	rm -f cachegrind.out.*

	rm -f callgrind.*

	rm -f *bin

	rm -f jacobi_mpi_cartesian_*

#pragma once

#define NGHOST   1

#define NDIM     2 /* 2D */

#define X        0

#define Y        1

#define TOL      1.e-5

#include <mpi.h>

#define MASTER 0

#if defined(SINGLE_PRECISION)

typedef float MyData;

#define MPI_MyDatatype MPI_FLOAT_PRECISION

#else

/* double precision is assumed by default */

typedef double MyData;

#define MPI_MyDatatype MPI_DOUBLE_PRECISION

#endif /* SINGLE_PRECISION */

#pragma once

#include "allvars.h"

#include <assert.h>

#include <sys/time.h>

#include <time.h>

#include <sys/stat.h>

#include <stdio.h>

#include <stdlib.h>

/* function prototypes */

MyData **Allocate_2DdblArray(const int nx, const int ny);

void Show_2DdblArray(const MyData **const A,

                     const int            nx,

                     const int            ny,

                     const char *const    string);

double seconds(void);

CC     = mpicc

CFLAGS = -Wall -Wextra -march=native

LIBS   = -lm -lmpi

SYSTYPE = $(strip $(shell uname -n))

PROG            = jacobi_mpi_cartesian_$(SYSTYPE)

PROG_DEBUG      = $(PROG)_DEBUG

PROG_MEMCHECK   = $(PROG)_MEMCHECK

PROG_CALLGRIND  = $(PROG)_CALLGRIND

PROG_CACHEGRIND = $(PROG)_CACHEGRIND

HEADERS       = $(wildcard ./include/*.h)

SOURCES       = $(wildcard ./src/*.c)

DEPENDENCIES  = $(SOURCES) $(HEADERS) Makefile

$(PROG): $(DEPENDENCIES)

	$(CC) $(CFLAGS) -O3 -I./include -I$(MPI_INC) $(SOURCES) -o $@ -L$(MPI_LIB) $(LIBS)

	@echo ' '

	@echo 'Program' $(PROG) 'compiled for' $(SYSTYPE) 'machine'

	@echo ' '

$(PROG_DEBUG): $(DEPENDENCIES)

	$(CC) $(CFLAGS) -Og -ggdb3 -DDEBUG -fno-omit-frame-pointer -I./include -I$(MPI_INC) $(SOURCES) -o $@ -L$(MPI_LIB) $(LIBS)

	@echo ' '

	@echo 'Program' $(PROG_DEBUG) 'compiled for' $(SYSTYPE) 'machine'

	@echo ' '

$(PROG_MEMCHECK): $(DEPENDENCIES)

	$(CC) $(CFLAGS) -Og -I./include -I$(MPI_INC) $(SOURCES) -o $@ -L$(MPI_LIB) $(LIBS)

	@echo ' '

	@echo 'Program' $(PROG_MEMCHECK) 'compiled for' $(SYSTYPE) 'machine'

	@echo ' '

$(PROG_CALLGRIND): $(DEPENDENCIES)

	$(CC) $(CFLAGS) -g -O3 -I./include -I$(MPI_INC) $(SOURCES) -o $@ -L$(MPI_LIB) $(LIBS)

	@echo ' '

	@echo 'Program' $(PROG_CALLGRIND) 'compiled for' $(SYSTYPE) 'machine'

	@echo ' '

$(PROG_CACHEGRIND): $(DEPENDENCIES)

	$(CC) $(CFLAGS) -g -O3 -I./include -I$(MPI_INC) $(SOURCES) -o $@ -L$(MPI_LIB) $(LIBS)

	@echo ' '

	@echo 'Program' $(PROG_CACHEGRIND) 'compiled for' $(SYSTYPE) 'machine'

	@echo ' '

# set the MPI install path

# pleiadi

MPI_INSTALL_PATH = /opt/cluster/spack/opt/spack/linux-centos7-broadwell/gcc-11.2.0/openmpi-4.1.3-djxjqlmzbqwq76bhh3wvgxaefnoczleg

MPI        = $(MPI_INSTALL_PATH)

MPI_INC    = $(MPI)/include

MPI_LIB    = $(MPI)/lib

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