Support ALIGNED_LARGE_PAGES but not enable

include/config.h

@@ -130,6 +130,8 @@
 
 #define HASHMAP_NOLOCK
 
+//#define ALIGNED_LARGE_PAGES
+
 #ifdef WIN32
 #define sscanf sscanf_s
 #define sprintf sprintf_s

src/hashmap.h

@@ -56,7 +56,12 @@ namespace CTSL //Concurrent Thread Safe Library
             HashMap(hashFn hashSize_ = HASH_SIZE_DEFAULT) : hashSize(hashSize_)
             {
 #ifdef DISABLE_HASHBUCKET
+#ifdef ALIGNED_LARGE_PAGES
+                hashTable = (HashNode<K, V>*)aligned_large_pages_alloc(sizeof(HashNode<K, V>) * hashSize);
+#else
                 hashTable = new HashNode<K, V>[hashSize]; //create the key table as an array of key nodes
+#endif // ALIGNED_LARGE_PAGES
+                
                 memset(hashTable, 0, sizeof(HashNode<K, V>) * hashSize);
 #else
                 hashTable = new HashBucket<K, V>[hashSize]; //create the key table as an array of key buckets
@@ -65,7 +70,11 @@ namespace CTSL //Concurrent Thread Safe Library
 
             ~HashMap()
             {
+#ifdef ALIGNED_LARGE_PAGES
+                aligned_large_pages_free(hashTable);
+#else
                 delete [] hashTable;
+#endif
             }
             //Copy and Move of the HashMap are not supported at this moment
             HashMap(const HashMap&) = delete;

src/misc.cpp

@@ -410,6 +410,8 @@ void std_aligned_free(void *ptr)
 #endif
 }
 
+#ifdef ALIGNED_LARGE_PAGES
+
 /// aligned_large_pages_alloc() will return suitably aligned memory, if possible using large pages.
 
 #if defined(_WIN32)
@@ -517,7 +519,7 @@ void aligned_large_pages_free(void *mem)
 }
 
 #endif
-
+#endif // ALIGNED_LARGE_PAGES
 
 namespace WinProcGroup
 {

src/misc.h

@@ -35,8 +35,10 @@ void prefetch_range(void *addr, size_t len);
 void start_logger(const std::string &fname);
 void* std_aligned_alloc(size_t alignment, size_t size);
 void std_aligned_free(void* ptr);
+#ifdef ALIGNED_LARGE_PAGES
 void* aligned_large_pages_alloc(size_t size); // memory aligned by page size, min alignment: 4096 bytes
 void aligned_large_pages_free(void* mem); // nop if mem == nullptr
+#endif // ALIGNED_LARGE_PAGES
 
 void dbg_hit_on(bool b);
 void dbg_hit_on(bool c, bool b);