ViperEkura/AstrAI
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4 Commits
Author SHA1 Message Date
ViperEkura 75304d084d refactor: unify CUDA skip guards in tests 
- add skip_no_fp8 (CUDA + fp8_mm kernel + cc 8.9+) to tests/conftest.py
- use skip_no_cuda / skip_no_kernel / skip_no_fp8 directly in test modules
- drop _GPU alias and tests.extension.conftest re-exports
- remove unused imports (Union in hf_adapter, make_grpo_config in data conftest)
 2026-08-22 21:08:06 +08:00
ViperEkura 6ac3b51496 refactor: separate extension ops and backends 2026-08-16 21:15:52 +08:00
ViperEkura 738cb8f128 fix: broadcast ref/old model state_dict for FSDP 
- Add broadcast_state_dict to sync state_dict from rank-0 to all ranks
- Fix create_ref_model returning None on non-rank-0 under FSDP
- Fix sync_old_model only updating old_model on rank-0 under FSDP
- Split skip_no_cuda/skip_no_kernel markers and hoist to top-level conftest
- Add distributed tests for broadcast_state_dict and create_ref_model
 2026-07-31 08:32:22 +08:00
ViperEkura 3067a8e1a6 feat: unify attention backend with multi-dim mask support 
- Add attention() functional entry delegating to active backend
- GQA/MLA forward calls attention() instead of inline cache/SDPA
- CUDA kernels support 2D/3D/4D mask via mask_h_stride field
- CudaBackend.fwd_decode builds 2D padding mask for mixed seq_lens
- KVCache.max_len precomputed in bind_tasks to avoid GPU sync
- batch==1 decode short-circuits mask=None
- Split tests into conftest, test_backend, test_backend_equivalence, test_kernel_mask
- 440 tests pass, L20 decode 1.44-1.60x speedup vs torch native
 2026-07-30 20:38:34 +08:00