- Presize array to its max size.

- Return the GrowableByteBuffer from TypedBinaryFormat instead of a copy  of the buffer.
  Then buffer is copied only once instead of twice.

1 files changed, 5 insertions, 1 deletions

diff --git a/vespajlib/src/main/java/com/yahoo/tensor/serialization/TypedBinaryFormat.java b/vespajlib/src/main/java/com/yahoo/tensor/serialization/TypedBinaryFormat.java
index a08e09765c8..951c23310dc 100644
--- a/vespajlib/src/main/java/com/yahoo/tensor/serialization/TypedBinaryFormat.java
+++ b/vespajlib/src/main/java/com/yahoo/tensor/serialization/TypedBinaryFormat.java
@@ -33,9 +33,13 @@ public class TypedBinaryFormat {
 
     public static byte[] encode(Tensor tensor) {
         GrowableByteBuffer buffer = new GrowableByteBuffer();
+        encode(tensor, buffer);
+        return asByteArray(buffer);
+    }
+    public static GrowableByteBuffer encode(Tensor tensor, GrowableByteBuffer buffer) {
         BinaryFormat encoder = getFormatEncoder(buffer, tensor);
         encoder.encode(buffer, tensor);
-        return asByteArray(buffer);
+        return buffer;
     }
 
     /**