whn09 ad6b47a141 Neuron: head-sharded attention over the CP group (TP decode) (#28)
With a CP group running one replicated batch (DEEPINFER_NEURON_TP_ATTN, on
when cp > 1), each rank keeps its heads' rows of q_b, its groups' slice of wv
(or its heads' columns of one group), the matching out_proj columns and its
attention-sink entries; _wv_and_o_proj all-reduces the partial outputs over
the group (exact: wv and out_proj are linear in the heads; asserts no clamp).
Q-a / KV / indexer / compressor stay replicated.

Host tiny (8 heads, 2 groups): cp=2 (1 group a rank), cp=4 (2 heads of a
group), cp=8 (1 head) all give the golden tokens up to near ties.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-23 22:53:32 +08:00
..
eplb initial commit 2026-10-20 12:09:42 +08:00
input_metadata initial commit 2026-10-20 12:09:42 +08:00
layers Neuron sampler: skip the top-p/top-k bisection when no row filters (#27) 2026-10-23 12:05:16 +08:00
models Neuron: head-sharded attention over the CP group (TP decode) (#28) 2026-10-23 22:53:32 +08:00
parallel_utils initial commit 2026-10-20 12:09:42 +08:00
__init__.py initial commit 2026-10-20 12:09:42 +08:00
layer_utils.py initial commit 2026-10-20 12:09:42 +08:00
model_loader.py Neuron: CP group as a replicated-decode group; MoE all-reduce mode (#28) 2026-10-23 22:46:04 +08:00
model_metadata_utils.py Neuron: prompt chunks through the decode region graphs (issue #26) 2026-10-23 03:19:56 +08:00
model_output.py initial commit 2026-10-20 12:09:42 +08:00
sampling_inputs.py initial commit 2026-10-20 12:09:42 +08:00
utils.py Neuron: static decode graphs, static-shape MoE, trn2 e4m3 fp8 (issues #9, #12, #24) 2026-10-22 11:59:37 +08:00