Add Deepseek Sparse Attention (DSA) implementation (ch04/09_dsa) (#1014)

* fix: handle token_ids length<2 in find_freq_pair

* Added new folder and related changes

* Get PR ready

* update

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Co-authored-by: Tarun Kumar <tarun123@gmail.com>
Co-authored-by: Sebastian Raschka <rasbt@users.noreply.github.com>
Co-authored-by: rasbt <mail@sebastianraschka.com>

Tarun kumar committed 25d ago

768fc57d4e125627ad45aa3ceae85ec2b6f0b8ae

Parent: 0ab8b81

Committed by GitHub <noreply@github.com> on 5/23/2026, 3:02:00 PM