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Cp thd swa with ag #2829

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Cp thd swa with ag #2829

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db44fc2
[PyTorch][CP] Fix THD AllGather CP: offset-based approach with proper…
sudhakarsingh27 Apr 7, 2026
1a5ca4c
[PyTorch][CP] Enable THD+all_gather tests in test_attention_with_cp
sudhakarsingh27 Apr 7, 2026
b4db9eb
[PyTorch][Fused Attn] Fix max_logit masking for non-zero-starting cu_…
sudhakarsingh27 Apr 7, 2026
7491ab6
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Apr 7, 2026
b957725
some cleanup of ag+thd impl and gate e e te test for flash+ag+thd
sudhakarsingh27 Apr 10, 2026
c89173c
Merge branch 'cp_thd_swa_with_ag' of github.com:sudhakarsingh27/Trans…
sudhakarsingh27 Apr 10, 2026
18e41bd
Merge branch 'main' of github.com:NVIDIA/TransformerEngine into cp_th…
sudhakarsingh27 Apr 10, 2026
0b48746
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Apr 10, 2026
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7 changes: 4 additions & 3 deletions tests/pytorch/attention/test_attention_with_cp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,10 @@ def test_cp_with_flash_attention(dtype, model, qkv_format, cp_comm_type):
pytest.skip("CP implementation with KV all-gather does not support bias yet!")
if qkv_format == "thd":
if cp_comm_type == "all_gather":
pytest.skip("CP implementation with KV all-gather does not support THD format yet!")
pytest.skip(
"FlashAttention does not support THD padding; use FusedAttention for"
" THD+all_gather CP."
)
if cp_comm_type == "a2a+p2p":
pytest.skip(
"CP implementation with QKVO A2A+P2P (Hierarchical A2A) does not support THD format"
Expand Down Expand Up @@ -267,8 +270,6 @@ def test_cp_with_fused_attention(
if qkv_format == "thd" and config.attn_bias_type == "post_scale_bias":
pytest.skip("THD format does not support post_scale_bias yet!")
if qkv_format == "thd":
if cp_comm_type == "all_gather":
pytest.skip("CP implementation with KV all-gather does not support THD format yet!")
if cp_comm_type == "a2a+p2p":
pytest.skip(
"CP implementation with QKVO A2A+P2P (Hierarchical A2A) does not support THD format"
Expand Down
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