The storage a composed cache holds and converts (the bf16-first KV legos a
graph's makeCache builds for its composition's KV scheme). The row
layouts, clones and saved files take the storage, never the lego; whoever
hands storage back to serial use composes it with over.
This lego's composition over storage, which the result owns: storage
that already holds the conversion start converts before this returns, and
quantized storage reads with this lego's kernels.
The storage a composed cache holds and converts (the bf16-first KV legos a graph's
makeCachebuilds for its composition's KV scheme). The row layouts, clones and saved files take the storage, never the lego; whoever hands storage back to serial use composes it withover.