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### Description Implements the STFT operator for the DirectML execution provider. This is implemented as a custom op, just like the DFT kernel, because it's implemented as a composite of two operators (DML Mul/Identity + DFT). As such, this inherits the same restrictions as the existing DFT kernel (requires power-of-two window sizes for now). This change also adds a native FP16 shader to DFT so that both DFT/STFT kernels support float16 tensors. There is no typed UAV fallback or emulation path, so the HW _needs_ to support native float16. It also appears the stockham shader was compiled with all optimizations disabled and debug symbols (tsk tsk, Sheil), and this has been fixed. This is passing all existing STFT tests (i.e. all of 1). I'm adding some additional collateral in the Windows AI conformance tests in parallel to check some extra cases. --------- Co-authored-by: Patrice Vignola <vignola.patrice@gmail.com> |
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| .. | ||
| c_cxx | ||
| execution_providers/images | ||
| images | ||
| python | ||
| ABI_Dev_Notes.md | ||
| Android_testing.md | ||
| C_API_Guidelines.md | ||
| cmake_guideline.md | ||
| Coding_Conventions_and_Standards.md | ||
| ContribOperators.md | ||
| FAQ.md | ||
| How_To_Update_ONNX_Dev_Notes.md | ||
| Memory_Optimizer.md | ||
| Model_Test.md | ||
| NotesOnThreading.md | ||
| ONNX_Runtime_Server_Usage.md | ||
| onnxruntime_dependencies.dot | ||
| onnxruntime_dependencies.png | ||
| onnxruntime_extensions.md | ||
| OperatorKernels.md | ||
| ORT_Format_Update_in_1.13.md | ||
| ORTMobilePackageOperatorTypeSupport.md | ||
| ORTModule_Training_Guidelines.md | ||
| PR_Guidelines.md | ||
| Privacy.md | ||
| Python_Dev_Notes.md | ||
| Reduced_Operator_Kernel_build.md | ||
| ReleaseManagement.md | ||
| Roadmap.md | ||
| Server.md | ||
| TVM_EP.md | ||
| Versioning.md | ||
| WinML_principles.md | ||
