Initial K3 snapshot: 0.5B KDA/MLA/MoE train path

Standalone tree split from LLMRL/projects/kda. Includes Triton dt_bias backward fix, train_k3 --preset 0.5b, SFT, Docker runtime, and tests.
2026-08-25 14:43:17 +08:00
commit 584f7e9e73
140 changed files with 21592 additions and 0 deletions
@@ -0,0 +1,13 @@
+"""Readable PyTorch implementations used as correctness references."""
+
+from .chunkwise import naive_chunk_kda
+from .gate import kda_gate_naive, kda_gate_reference
+from .recurrent import naive_kda, naive_kda_fwd
+
+__all__ = [
+    "kda_gate_naive",
+    "kda_gate_reference",
+    "naive_chunk_kda",
+    "naive_kda",
+    "naive_kda_fwd",
+]