Caching for byte arrays

Author: jonatino

src/main/java/com/beaudoin/jmm/misc/Cacheable.java

@@ -34,12 +34,20 @@
 public final class Cacheable {
 
 	private static final Map<Integer, MemoryBuffer> bufferCache = new HashMap<>();
-	private static final Function<Integer, MemoryBuffer> cachedFunction = MemoryBuffer::new;
+	private static final Function<Integer, MemoryBuffer> butterCreate = MemoryBuffer::new;
+
+	private static final Map<Integer, byte[]> arrayCache = new HashMap<>();
+	private static final Function<Integer, byte[]> arrayCreate = byte[]::new;
+
 	private static final Pointer cachedPointer = new Pointer(0);
 	public static final IntByReference INT_BY_REF = new IntByReference();
 
 	public static MemoryBuffer buffer(int size) {
-		return bufferCache.computeIfAbsent(size, cachedFunction);
+		return bufferCache.computeIfAbsent(size, butterCreate);
+	}
+
+	public static byte[] array(int size) {
+		return arrayCache.computeIfAbsent(size, arrayCreate);
 	}
 
 	public static Pointer pointer(long address) {

src/main/java/com/beaudoin/jmm/misc/MemoryBuffer.java

@@ -111,7 +111,7 @@ public int size() {
 	}
 
 	public byte[] array() {
-		byte[] data = new byte[size];
+		byte[] data = Cacheable.array(size);
 		get(data);
 		return data;
 	}

src/main/java/com/beaudoin/jmm/process/ReadableRegion.java

@@ -51,7 +51,7 @@ default double readDouble(long address) {
     }
 
     default String readString(long address, int length) {
-        byte[] bytes = new byte[length];
+        byte[] bytes = Cacheable.array(length);
         read(address, bytes.length).get(bytes);
         return Strings.transform(bytes);
     }