update ghost test

chenhao-ye · Dec 2, 2023 · 9a03ece · 9a03ece
1 parent 4b1f333
commit 9a03ece
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Showing 2 changed files with 45 additions and 12 deletions.
diff --git a/include/gcache/ghost_cache.h b/include/gcache/ghost_cache.h
@@ -15,6 +15,14 @@
 
 namespace gcache {
 
+// AccessMode controls the behavior to update cache stat
+enum AccessMode : uint8_t {
+  DEFAULT,  // update normally
+  AS_MISS,  // consider it as a miss for all cache sizes
+  AS_HIT,   // consider it as a hit for all cache sizes
+  NOOP,     // do not update
+};
+
 struct CacheStat {
   uint64_t hit_cnt;
   uint64_t miss_cnt;
@@ -77,13 +85,6 @@ class GhostCache {
   std::vector<Node_t*> size_boundaries;
   std::vector<CacheStat> caches_stat;
 
-  // AccessMode controls the behavior to update cache stat
-  enum AccessMode : uint8_t {
-    DEFAULT,  // update normally
-    AS_MISS,  // consider it as a miss for all cache sizes
-    AS_HIT,   // consider it as a hit for all cache sizes
-    NOOP,     // do not update
-  };
   void access_impl(uint32_t block_id, uint32_t hash, AccessMode mode);
 
  public:

diff --git a/tests/test_ghost.cpp b/tests/test_ghost.cpp
@@ -24,21 +24,38 @@ void test1() {
   ghost_cache.access(1);
   ghost_cache.access(2);
   ghost_cache.access(3);
-  std::cout
-      << "Expect: Boundaries: [1, 0, (null), (null)]; Stat: [0/4, 0/4, 0/4]\n";
+  std::cout << "Expect: Boundaries: [1, 0, (null), (null)]; "
+               "Stat: [0/4, 0/4, 0/4, 0/4]\n";
   std::cout << ghost_cache;
 
   ghost_cache.access(4);
   ghost_cache.access(5);
-  std::cout << "Expect: Boundaries: [3, 2, 1, 0]; Stat: [0/6, 0/6, 0/6]\n";
+  std::cout << "Expect: Boundaries: [3, 2, 1, 0]; Stat: [0/6, 0/6, 0/6, 0/6]\n";
   std::cout << ghost_cache;
 
   ghost_cache.access(2);
-  std::cout << "Expect: Boundaries: [4, 3, 1, 0]; Stat: [0/7, 1/7, 1/7]\n";
+  std::cout << "Expect: Boundaries: [4, 3, 1, 0]; Stat: [0/7, 1/7, 1/7, 1/7]\n";
   std::cout << ghost_cache;
 
   ghost_cache.access(4);
-  std::cout << "Expect: Boundaries: [5, 3, 1, 0]; Stat: [1/8, 2/8, 2/8]\n";
+  std::cout << "Expect: Boundaries: [5, 3, 1, 0]; Stat: [1/8, 2/8, 2/8, 2/8]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
+
+  ghost_cache.access(2, AccessMode::AS_MISS);
+  std::cout << "Expect: Boundaries: [5, 3, 1, 0]; Stat: [1/9, 2/9, 2/9, 2/9]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
+
+  ghost_cache.access(0, AccessMode::AS_HIT);
+  std::cout
+      << "Expect: Boundaries: [4, 5, 3, 1]; Stat: [2/10, 3/10, 3/10, 3/10]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
+
+  ghost_cache.access(7, AccessMode::NOOP);
+  std::cout
+      << "Expect: Boundaries: [2, 4, 5, 3]; Stat: [2/10, 3/10, 3/10, 3/10]\n";
   std::cout << ghost_cache;
   std::cout << std::flush;
 }
@@ -72,6 +89,21 @@ void test2() {
   std::cout << "Expect: Boundaries: [1, 6, 3]; Stat: [0/10, 0/10, 1/10]\n";
   std::cout << ghost_cache;
   std::cout << std::flush;
+
+  ghost_cache.access(8, AccessMode::NOOP);
+  std::cout << "Expect: Boundaries: [4, 7, 5]; Stat: [0/10, 0/10, 1/10]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
+
+  ghost_cache.access(9, AccessMode::AS_HIT);
+  std::cout << "Expect: Boundaries: [8, 1, 6]; Stat: [1/11, 1/11, 2/11]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
+
+  ghost_cache.access(1, AccessMode::AS_MISS);
+  std::cout << "Expect: Boundaries: [9, 4, 6]; Stat: [1/12, 1/12, 2/12]\n";
+  std::cout << ghost_cache;
+  std::cout << std::flush;
 }
 
 void bench1() {