embedding : adjust `n_ubatch` value (#6296)
* embedding: assign `n_ubatch` value, print error on `n_batch` overflow
* Update examples/embedding/embedding.cpp
Co-authored-by: Xuan Son Nguyen <thichthat@gmail.com>
* use %ld instead of %lld
* Revert "use %ld instead of %lld"
This reverts commit ea753ede90a86a0699f65878cc8e2020ff5eabb8.
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Co-authored-by: Xuan Son Nguyen <thichthat@gmail.com>
