feature: Makefile change

Author: tsw303005

hw2/hw2_a/v6/Makefile

@@ -1,13 +1,18 @@
-CC = clang
-CXX = clang++
+CC = mpicc
+CXX = mpicxx
 LDLIBS = -lpng
-CFLAGS = -lm -O3 -ffast-math -msse2
-hw2a: CFLAGS += -pthread
-hw2b: CC = mpicc
-hw2b: CXX = mpicxx
+CFLAGS = -lm -O3 -pthread
+hw2a: -march=native
+hw2a: CC=clang
+hw2a: CXX=clang++
+hw2a: CFLAGS += -ffast-math
+hw2b: -cc=clang
+hw2b: -cxx=clang++
+hw2b: -march=athlon64
+hw2b: CFLAGS += -ffast-math -fno-associative-math
 hw2b: CFLAGS += -fopenmp
 CXXFLAGS = $(CFLAGS)
-TARGETS = hw2a
+TARGETS = hw2a hw2b
 
 .PHONY: all
 all: $(TARGETS)

hw2/hw2_a/v6/test.cpp

@@ -1,46 +1,41 @@
 #include <iostream>
-#include <pthread.h>
 #include <emmintrin.h>
-#include <time.h>  
+#include <mpi.h>
 
 using namespace std;
 
 int main(int argc, char** argv) {
-  __m128d x, y, z;
-  clock_t start, End;
-  double a = 100;
-  double b = 200;
-  y[0] = 100;
-  y[1] = 200;
-  x[0] = 0;
-  x[1] = 0;
-  z[0] = 500;
-  z[1] = 600;
+  MPI_Init(&argc, &argv);
+  // mpi argument
+  int rank, size;
+  MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+  MPI_Comm_size(MPI_COMM_WORLD, &size);
+  double a = 2;
+  __m128d a_sse;
+  __m128d five;
+  __m128d two;
 
-  start = clock();
-  for (int i = 0; i < 100000000; i++) {
-    x = y + z;
+  double checkpoint;
+  double x, y;
+
+  a_sse[0] = a_sse[1] = 2;
+  five[0] = five[1] = 5;
+  two[0] = two[1] = 2;
+  checkpoint = MPI_Wtime();
+  for (unsigned long long i = 0; i < 10000000000000; i++) {
+    a = 2 * a / 5;
   }
-  End = clock();
+  x = MPI_Wtime() - checkpoint;
 
-  cout << "assign cost time = " << End - start << endl;
-  cout << x[0] << ' ' << x[1] << endl;
 
-  x[0] = 0;
-  x[1] = 0;
-  y[0] = 100;
-  y[1] = 200;
-  z[0] = 500;
-  z[1] = 600;
- 
-  start = clock();
-  for (int i = 0; i < 100000000; i++) {
-    x = _mm_add_pd(y, z);
+  checkpoint = MPI_Wtime();
+  for (unsigned long long  i = 0; i < 10000000000000; i++) {
+    a_sse = _mm_mul_pd(two, _mm_mul_pd(five, a_sse));
   }
-  End = clock();
+  y = MPI_Wtime() - checkpoint;
 
-  cout << "mm_set cost time = " << End - start << endl;
-  cout << x[0] << ' ' << x[1] << endl;
+  cout << "general variable cost time: " << x << endl;
+  cout << "vectorization calculation cost time: " << y << endl;
 
   return 0;
 }

hw2/hw2_a/v6/test.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+mpicxx -lm -O3 -lpng test.cpp -o test
+srun -n1 ./test
+rm test

hw2/hw2_b/v1/Makefile

@@ -1,16 +1,23 @@
 CC = mpicc
 CXX = mpicxx
 LDLIBS = -lpng
-CFLAGS = -lm -O3 -march=athlon64 -ffast-math -fno-associative-math -pthread
-hw2b: -cxx=clang++
+CFLAGS = -lm -O3 -pthread
+hw2a: -march=native
+hw2a: CC=clang
+hw2a: CXX=clang++
+hw2a: CFLAGS += -ffast-math
 hw2b: -cc=clang
+hw2b: -cxx=clang++
+hw2b: -march=athlon64
+hw2b: CFLAGS += -ffast-math -fno-associative-math
 hw2b: CFLAGS += -fopenmp
 CXXFLAGS = $(CFLAGS)
-TARGETS = hw2b
+TARGETS = hw2a hw2b
 
 .PHONY: all
 all: $(TARGETS)
 
 .PHONY: clean
 clean:
 	rm -f $(TARGETS) $(TARGETS:=.o)
+