Organize FE OSS tests by feature

[hwanseoc]

Summary

• group FE OSS tests into flat, top-level feature folders
• rename block_sparse_attention/ to bsa/ and add sdpa/, gemm/, grouped_gemm/, and norm/
• keep existing dsa/ and nsa/ folders unchanged
• update imports, documentation paths, and integration guidance

Final layout

• bsa/
• dsa/
• nsa/
• sdpa/
• gemm/
• grouped_gemm/
• norm/

Moved files

From	To
test/python/fe_api/block_sparse_attention/__init__.py	test/python/fe_api/bsa/__init__.py
test/python/fe_api/block_sparse_attention/bsa_reference.py	test/python/fe_api/bsa/bsa_reference.py
test/python/fe_api/block_sparse_attention/bsa_utils.py	test/python/fe_api/bsa/bsa_utils.py
test/python/fe_api/block_sparse_attention/test_BSA_attention_backward.py	test/python/fe_api/bsa/test_BSA_attention_backward.py
test/python/fe_api/block_sparse_attention/test_BSA_attention_forward.py	test/python/fe_api/bsa/test_BSA_attention_forward.py
test/python/fe_api/test_gemm_amax.py	test/python/fe_api/gemm/test_gemm_amax.py
test/python/fe_api/test_gemm_amax_utils.py	test/python/fe_api/gemm/test_gemm_amax_utils.py
test/python/fe_api/test_gemm_dsrelu.py	test/python/fe_api/gemm/test_gemm_dsrelu.py
test/python/fe_api/test_gemm_dsrelu_utils.py	test/python/fe_api/gemm/test_gemm_dsrelu_utils.py
test/python/fe_api/test_gemm_srelu.py	test/python/fe_api/gemm/test_gemm_srelu.py
test/python/fe_api/test_gemm_srelu_utils.py	test/python/fe_api/gemm/test_gemm_srelu_utils.py
test/python/fe_api/test_gemm_swiglu.py	test/python/fe_api/gemm/test_gemm_swiglu.py
test/python/fe_api/test_gemm_swiglu_utils.py	test/python/fe_api/gemm/test_gemm_swiglu_utils.py
test/python/fe_api/test_discrete_grouped_gemm_dswiglu.py	test/python/fe_api/grouped_gemm/test_discrete_grouped_gemm_dswiglu.py
test/python/fe_api/test_discrete_grouped_gemm_dswiglu_utils.py	test/python/fe_api/grouped_gemm/test_discrete_grouped_gemm_dswiglu_utils.py
test/python/fe_api/test_discrete_grouped_gemm_swiglu.py	test/python/fe_api/grouped_gemm/test_discrete_grouped_gemm_swiglu.py
test/python/fe_api/test_discrete_grouped_gemm_swiglu_utils.py	test/python/fe_api/grouped_gemm/test_discrete_grouped_gemm_swiglu_utils.py
test/python/fe_api/test_grouped_gemm_dglu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_dglu.py
test/python/fe_api/test_grouped_gemm_dsrelu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_dsrelu.py
test/python/fe_api/test_grouped_gemm_dsrelu_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_dsrelu_utils.py
test/python/fe_api/test_grouped_gemm_dswiglu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_dswiglu.py
test/python/fe_api/test_grouped_gemm_dswiglu_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_dswiglu_utils.py
test/python/fe_api/test_grouped_gemm_glu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_glu.py
test/python/fe_api/test_grouped_gemm_glu_hadamard.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_glu_hadamard.py
test/python/fe_api/test_grouped_gemm_quant.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_quant.py
test/python/fe_api/test_grouped_gemm_quant_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_quant_utils.py
test/python/fe_api/test_grouped_gemm_srelu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_srelu.py
test/python/fe_api/test_grouped_gemm_srelu_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_srelu_utils.py
test/python/fe_api/test_grouped_gemm_swiglu.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_swiglu.py
test/python/fe_api/test_grouped_gemm_swiglu_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_swiglu_utils.py
test/python/fe_api/test_grouped_gemm_wgrad.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_wgrad.py
test/python/fe_api/test_grouped_gemm_wgrad_utils.py	test/python/fe_api/grouped_gemm/test_grouped_gemm_wgrad_utils.py
test/python/fe_api/test_rmsnorm_rht_amax.py	test/python/fe_api/norm/test_rmsnorm_rht_amax.py
test/python/fe_api/test_sdpa_bwd.py	test/python/fe_api/sdpa/test_sdpa_bwd.py
test/python/fe_api/test_sdpa_bwd_utils.py	test/python/fe_api/sdpa/test_sdpa_bwd_utils.py
test/python/fe_api/test_sdpa_fwd.py	test/python/fe_api/sdpa/test_sdpa_fwd.py
test/python/fe_api/test_sdpa_fwd_utils.py	test/python/fe_api/sdpa/test_sdpa_fwd_utils.py

Additional changes

• Add test/python/fe_api/README.md documenting the feature layout.
• Update imports and documentation references to the new paths.

Testing

• pytest --collect-only -q test/python/fe_api
• 3900 collected, 2 deselected
• git diff --check origin/develop...HEAD

@coderabbitai ignore

[hwanseoc]

@cudnn-ci-bot run

[cudnn-ci-bot]

🚀 Running mirror pipeline

Branch: cudnn-gh/pr-372-401273a
Pipeline: 57452060