Fixed eviction time, which caused each value to be evicted

src/csim.c

@@ -10,6 +10,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <math.h>
+#include <limits.h>
 #include "cachelab.h"
 
 int v = 0; /* verbose */
@@ -41,9 +42,9 @@ void print_help() {
 }
 
 void init() {
-  cache = (struct cache_line **) malloc(S*sizeof(struct cache_line *));
+  cache = (struct cache_line **) malloc(S * sizeof(struct cache_line *));
   for (int i = 0; i < S; i++) {
-    struct cache_line* cache_set = (struct cache_line *) malloc(E*sizeof(struct cache_line));
+    struct cache_line* cache_set = (struct cache_line *) malloc(E * sizeof(struct cache_line));
     cache[i] = cache_set;
     for (int j = 0; j < E; j++) {
       cache_set[j].v = 0;
@@ -51,6 +52,7 @@ void init() {
       cache_set[j].time = 0;
     }
   }
+  printf("cache: %ld, cache_set: %ld, cache_line: %ld\n", sizeof(cache), sizeof(cache[0]), sizeof(cache[0][0]));
 }
 
 void clean() {
@@ -64,11 +66,13 @@ void clean() {
 void accessMem (int addr) {
   unsigned int set = ((addr >> b) & ((1LL << s) - 1));
   unsigned int tag = addr >> (b + s);
+
   struct cache_line *cache_set = cache[set];
-  unsigned long evic_time = 0;
+  unsigned long evic_time = ULONG_MAX;
   unsigned int evic_line = 0;
+
   for (int i = 0; i < E; i++) {
-    if (cache_set[i].tag == tag && cache_set[i].v != 0){
+    if (cache_set[i].tag == tag && cache_set[i].v == 1){
       if (v) { printf("hit "); }
       hit++;
       cache_set[i].time = time;
@@ -164,11 +168,6 @@ int main(int argc, char *argv[]) {
 
   init();
   trace();
-  for (int i = 0; i < S; i++) {
-    for (int j = 0; j < E; j++) {
-      // printf("cache[%d][%d]: %c %x %ul\n", i, j, cache[i][j].v, cache[i][j].tag, cache[i][j].time);
-    }
-  }
   clean();
 
   printSummary(hit, miss, eviction);