Restore ability to use global stableivalue from without template#169475
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mikaylagawarecki wants to merge 2 commits intogh/mikaylagawarecki/392/basefrom
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Restore ability to use global stableivalue from without template#169475mikaylagawarecki wants to merge 2 commits intogh/mikaylagawarecki/392/basefrom
mikaylagawarecki wants to merge 2 commits intogh/mikaylagawarecki/392/basefrom
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…orch#169475) pytorch#168155 was needed to fix Windows CI in torchaudio that looked like such <details> <summary><b>click for example of torchaudio windows CI error</b></summary> <br> ``` 2025-11-15T21:11:03.9005985Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(244): error: more than one instance of overloaded function "torch::stable::detail::from" matches the argument list: 2025-11-15T21:11:03.9007831Z function template "StableIValue from(T)" (declared at line 593) 2025-11-15T21:11:03.9008639Z function template "StableIValue torch::stable::detail::from(T)" (declared at line 528) 2025-11-15T21:11:03.9009336Z argument types are: (StableListHandle) 2025-11-15T21:11:03.9009839Z return from(new_list_handle); 2025-11-15T21:11:03.9010244Z ^ 2025-11-15T21:11:03.9011886Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(541): note pytorch#3326-D: function "torch::stable::detail::from(const torch::stable::Tensor &)" does not match because argument #1 does not match parameter 2025-11-15T21:11:03.9013826Z [[maybe_unused]] inline StableIValue from(const torch::stable::Tensor& val) { 2025-11-15T21:11:03.9014403Z ^ 2025-11-15T21:11:03.9016129Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(534): note pytorch#3327-D: candidate function template "torch::stable::detail::from(const std::optional<T> &)" failed deduction 2025-11-15T21:11:03.9017869Z inline StableIValue from(const std::optional<T>& val) { 2025-11-15T21:11:03.9018335Z ^ 2025-11-15T21:11:03.9019885Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(609): note pytorch#3326-D: function "from(const torch::stable::Tensor &)" does not match because argument #1 does not match parameter 2025-11-15T21:11:03.9021652Z from(const torch::stable::Tensor& val) { 2025-11-15T21:11:03.9022058Z ^ 2025-11-15T21:11:03.9023430Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(601): note pytorch#3327-D: candidate function template "from(const std::optional<T> &)" failed deduction 2025-11-15T21:11:03.9025327Z inline StableIValue from(const std::optional<T>& val) { 2025-11-15T21:11:03.9025793Z ^ 2025-11-15T21:11:03.9026102Z detected during: 2025-11-15T21:11:03.9027321Z instantiation of "StableIValue torch::stable::detail::FromImpl<c10::HeaderOnlyArrayRef<T>>::call(const c10::HeaderOnlyArrayRef<T> &, uint64_t, __nv_bool) [with T=int64_t]" at line 529 2025-11-15T21:11:03.9029527Z instantiation of "StableIValue torch::stable::detail::from(T) [with T=torch::headeronly::IntHeaderOnlyArrayRef]" at line 319 of C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/ops.h 2025-11-15T21:11:03.9030992Z 2025-11-15T21:11:03.9031753Z 1 error detected in the compilation of "C:/actions-runner/_work/audio/audio/pytorch/audio/src/libtorchaudio/forced_align/gpu/compute.cu" ``` </details> But this broke BC in that after that PR `from(...)` is no longer usable without template arguments, which makes the code in fa3 https://github.com/Dao-AILab/flash-attention/blob/ad70a007e6287d4f7e766f94bcf2f9a813f20f6b/hopper/flash_api_stable.cpp#L1797-L1800 no longer compilable in 2.10 We could update the code in FA3, but that might require ifdefs for 2.9 vs 2.10 -- as a general principle for stable extensions, I'm not sure whether updating the extension code or not breaking BC of the headers is what we should go with here. But I'm leaning towards the latter. This PR takes the alternative approach of restoring torchaudio Windows CI sanity by replacing all `{from/to}` in torch/csrc/stable/stableivalue_conversions.h with `torch::stable::detail::{from/to}` rather than making the `from`/`to` in the global namespace a function pointer Confirmed that audio CI passes pytorch/audio#4133 Pull Request resolved: pytorch#169475 Approved by: https://github.com/albanD
JacobSzwejbka
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Dec 8, 2025
…9475) #168155 was needed to fix Windows CI in torchaudio that looked like such <details> <summary><b>click for example of torchaudio windows CI error</b></summary> <br> ``` 2025-11-15T21:11:03.9005985Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(244): error: more than one instance of overloaded function "torch::stable::detail::from" matches the argument list: 2025-11-15T21:11:03.9007831Z function template "StableIValue from(T)" (declared at line 593) 2025-11-15T21:11:03.9008639Z function template "StableIValue torch::stable::detail::from(T)" (declared at line 528) 2025-11-15T21:11:03.9009336Z argument types are: (StableListHandle) 2025-11-15T21:11:03.9009839Z return from(new_list_handle); 2025-11-15T21:11:03.9010244Z ^ 2025-11-15T21:11:03.9011886Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(541): note #3326-D: function "torch::stable::detail::from(const torch::stable::Tensor &)" does not match because argument #1 does not match parameter 2025-11-15T21:11:03.9013826Z [[maybe_unused]] inline StableIValue from(const torch::stable::Tensor& val) { 2025-11-15T21:11:03.9014403Z ^ 2025-11-15T21:11:03.9016129Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(534): note #3327-D: candidate function template "torch::stable::detail::from(const std::optional<T> &)" failed deduction 2025-11-15T21:11:03.9017869Z inline StableIValue from(const std::optional<T>& val) { 2025-11-15T21:11:03.9018335Z ^ 2025-11-15T21:11:03.9019885Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(609): note #3326-D: function "from(const torch::stable::Tensor &)" does not match because argument #1 does not match parameter 2025-11-15T21:11:03.9021652Z from(const torch::stable::Tensor& val) { 2025-11-15T21:11:03.9022058Z ^ 2025-11-15T21:11:03.9023430Z C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/stableivalue_conversions.h(601): note #3327-D: candidate function template "from(const std::optional<T> &)" failed deduction 2025-11-15T21:11:03.9025327Z inline StableIValue from(const std::optional<T>& val) { 2025-11-15T21:11:03.9025793Z ^ 2025-11-15T21:11:03.9026102Z detected during: 2025-11-15T21:11:03.9027321Z instantiation of "StableIValue torch::stable::detail::FromImpl<c10::HeaderOnlyArrayRef<T>>::call(const c10::HeaderOnlyArrayRef<T> &, uint64_t, __nv_bool) [with T=int64_t]" at line 529 2025-11-15T21:11:03.9029527Z instantiation of "StableIValue torch::stable::detail::from(T) [with T=torch::headeronly::IntHeaderOnlyArrayRef]" at line 319 of C:/actions-runner/_work/audio/audio/pytorch/audio/env/Lib/site-packages/torch/include\torch/csrc/stable/ops.h 2025-11-15T21:11:03.9030992Z 2025-11-15T21:11:03.9031753Z 1 error detected in the compilation of "C:/actions-runner/_work/audio/audio/pytorch/audio/src/libtorchaudio/forced_align/gpu/compute.cu" ``` </details> But this broke BC in that after that PR `from(...)` is no longer usable without template arguments, which makes the code in fa3 https://github.com/Dao-AILab/flash-attention/blob/ad70a007e6287d4f7e766f94bcf2f9a813f20f6b/hopper/flash_api_stable.cpp#L1797-L1800 no longer compilable in 2.10 We could update the code in FA3, but that might require ifdefs for 2.9 vs 2.10 -- as a general principle for stable extensions, I'm not sure whether updating the extension code or not breaking BC of the headers is what we should go with here. But I'm leaning towards the latter. This PR takes the alternative approach of restoring torchaudio Windows CI sanity by replacing all `{from/to}` in torch/csrc/stable/stableivalue_conversions.h with `torch::stable::detail::{from/to}` rather than making the `from`/`to` in the global namespace a function pointer Confirmed that audio CI passes pytorch/audio#4133 Pull Request resolved: #169475 Approved by: https://github.com/albanD
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#168155 was needed to fix Windows CI in torchaudio that looked like such
click for example of torchaudio windows CI error
But this broke BC in that after that PR
from(...)is no longer usable without template arguments, which makes the code in fa3 https://github.com/Dao-AILab/flash-attention/blob/ad70a007e6287d4f7e766f94bcf2f9a813f20f6b/hopper/flash_api_stable.cpp#L1797-L1800 no longer compilable in 2.10We could update the code in FA3, but that might require ifdefs for 2.9 vs 2.10 -- as a general principle for stable extensions, I'm not sure whether updating the extension code or not breaking BC of the headers is what we should go with here. But I'm leaning towards the latter.
This PR takes the alternative approach of restoring torchaudio Windows CI sanity by replacing all
{from/to}in torch/csrc/stable/stableivalue_conversions.h withtorch::stable::detail::{from/to}rather than making thefrom/toin the global namespace a function pointerConfirmed that audio CI passes pytorch/audio#4133
Stack from ghstack (oldest at bottom):