commit f2bb32521389709c06407904eb42fa6ba70dcc84
Author: lefevre <lefevres@salle234-03.arda.lan>
Date:   Mon Sep 27 16:47:54 2021 +0200

    envoi

diff --git "a/ASR3.1/TP01/\033[200~sum_array.c~" "b/ASR3.1/TP01/\033[200~sum_array.c~"
new file mode 100644
index 0000000..e69de29
diff --git a/ASR3.1/TP01/a.out b/ASR3.1/TP01/a.out
new file mode 100755
index 0000000..b0d6b1d
Binary files /dev/null and b/ASR3.1/TP01/a.out differ
diff --git a/ASR3.1/TP01/adresses_virtuelles.c b/ASR3.1/TP01/adresses_virtuelles.c
new file mode 100644
index 0000000..402e6b5
--- /dev/null
+++ b/ASR3.1/TP01/adresses_virtuelles.c
@@ -0,0 +1,27 @@
+/* adresses virtuelles d'un processus */
+
+#include<stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include<stdlib.h>
+int t[1000] = {[0 ... 999] = 2};
+
+int main(int argc, char * argv[])
+{
+	int i=3;
+	static int j = 3;
+	char * m = (char*)malloc(1);
+
+	printf("je suis le pid %d\n\n",getpid());
+
+	/* ------- Affichage des adresses --------*/
+
+	printf("main\t=\t%p\n",main);
+	printf("&argc\t=\t%p\n",&argc);
+	printf("&i\t=\t%p\n",&i);
+	printf("&j\t=\t%p\n",&j);
+	printf("t\t=\t%p\n",t);
+	printf("m\t=\t%p\n",m);
+
+	getchar();
+}
\ No newline at end of file
diff --git a/ASR3.1/TP01/bss_data.c b/ASR3.1/TP01/bss_data.c
new file mode 100644
index 0000000..aedbd61
--- /dev/null
+++ b/ASR3.1/TP01/bss_data.c
@@ -0,0 +1,8 @@
+/* segment bss et data */
+#define N 100000
+//int t[N]; /* version 1 */ //La mémoire augmente bss
+int t[N]={1}; /* version 2 */ //La mémoire reste inchangée bss
+int main()
+{
+	return 0;
+}
diff --git a/ASR3.1/TP01/exercice3.c b/ASR3.1/TP01/exercice3.c
new file mode 100644
index 0000000..d68f0bd
--- /dev/null
+++ b/ASR3.1/TP01/exercice3.c
@@ -0,0 +1,26 @@
+/* accès mémoire */
+#include<stdio.h>
+#include<time.h>
+#include <stdlib.h>
+#define N 8192 
+
+int t[N][N];
+
+static inline double tstamp(void) 
+{                             
+	struct timespec tv;
+	clock_gettime(CLOCK_REALTIME, &tv);
+	return tv.tv_sec + tv.tv_nsec * 1.0e-9;
+}
+
+int main()
+{
+	int i,j;
+	double t1,t2;
+	t1=tstamp();
+	/* version 1 */   for(i=0;i<N;i++) for(j=0;j<N;j++) t[i][j] = 1;  
+	/* version 2 */  // for(i=0;i<N;i++) for(j=0;j<N;j++) t[j][i] = 1;  //parcours en colonne. défaut de cache donc plus long.
+	t2=tstamp();
+	printf("time = %lf\n",t2-t1);
+	return 0;
+}