This introduces a little array type for holding GGUF arrays that
prevents the array from growing too large. It preserves the total size
of the array, but limits the number of elements that are actually
allocated.
GGUF arrays that are extremely large, such as tokens, etc, are generally
uninteresting to users, and are not worth the memory overhead, and the
time spent allocating and freeing them. They are necessary for
inference, but not for inspection.
The size of these arrays is, however, important in Ollama, so it is
preserved in a separate field on array.
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