Use XXH32 for hashing.

1 files changed, 4 insertions, 9 deletions

diff --git a/eval/src/vespa/eval/tensor/sparse/sparse_tensor_address_ref.h b/eval/src/vespa/eval/tensor/sparse/sparse_tensor_address_ref.h
index 321690085be..91a5307d9d0 100644
--- a/eval/src/vespa/eval/tensor/sparse/sparse_tensor_address_ref.h
+++ b/eval/src/vespa/eval/tensor/sparse/sparse_tensor_address_ref.h
@@ -3,14 +3,10 @@
 #pragma once
 
 #include <vespa/vespalib/util/stash.h>
+#include <vespa/vespalib/xxhash/xxhash.h>
 #include <cstring>
 
-namespace vespalib {
-
-// From vespalib/util/hashmap.h
-size_t hashValue(const void * buf, size_t sz);
-
-namespace tensor {
+namespace vespalib::tensor {
 
 /**
  * A reference to a compact sparse immutable address to a tensor cell.
@@ -44,7 +40,7 @@ public:
 
     uint32_t hash() const { return _hash; }
 
-    uint32_t calcHash() const { return hashValue(_start, _size); }
+    uint32_t calcHash() const { return XXH32(_start, _size, 0); }
 
     bool operator<(const SparseTensorAddressRef &rhs) const {
         size_t minSize = std::min(_size, rhs._size);
@@ -67,5 +63,4 @@ public:
     uint32_t size() const { return _size; }
 };
 
-} // namespace vespalib::tensor
-} // namespace vespalib
+}