MemcpyFromHost and MemcpyToHost support for plugin EPs#26088
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…1/memcpy_op_support_for_plugin_eps_fix
…pport_for_plugin_eps_fix
adrianlizarraga
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<!-- Describe your changes. --> Add support for `MemcpyFromHost` and `MemcpyToHost` ops with plugin EPs. - Add CPU EP fallback kernels for the memcpy ops. These are generic implementations using a data transfer manager. - Update `SessionState::PopulateKernelCreateInfo()` to fall back to CPU memcpy kernels if a node's assigned provider doesn't have them. - Update `MemcpyTransformer` to determine whether providers are CPU-based or compatible with other providers by looking at the device type instead of matching against a hardcoded list of provider types. This accommodates plugin EPs, where the provider type can't be hardcoded. <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Allow plugin EPs to work with models where memcpy ops are required (i.e., models where connected nodes are not fully assigned to the plugin EP).
adrianlizarraga
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Sep 24, 2025
<!-- Describe your changes. --> Add support for `MemcpyFromHost` and `MemcpyToHost` ops with plugin EPs. - Add CPU EP fallback kernels for the memcpy ops. These are generic implementations using a data transfer manager. - Update `SessionState::PopulateKernelCreateInfo()` to fall back to CPU memcpy kernels if a node's assigned provider doesn't have them. - Update `MemcpyTransformer` to determine whether providers are CPU-based or compatible with other providers by looking at the device type instead of matching against a hardcoded list of provider types. This accommodates plugin EPs, where the provider type can't be hardcoded. <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Allow plugin EPs to work with models where memcpy ops are required (i.e., models where connected nodes are not fully assigned to the plugin EP).
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### Description Cherry-pick the following PRs into the ORT 1.23.1 branch: - Fix Attention GQA implementation on CPU - **MANUAL MERGE**: see #26057 - main merge date: Sept 15, 11:33am - pr: #25966 - commit: d530b29 - Address edge GetMemInfo edge cases - main merge date: Sept 16, 10:32am - pr: #26021 - commit: d251f3a - Implement new Python APIs - main merge date: Sept 17, 11:44am - pr: #25999 - commit: abc63e8 - MemcpyFromHost and MemcpyToHost support for plugin EPs - **MERGE CONFLICT** on file onnxruntime/test/optimizer/transpose_optimizer_test.cc. Conflicts with #25689 - main merge date: Sept 23, 10:42am - pr: #26088 - commit: 4545732 - [TRT RTX EP] Fix bug for generating the correct subgraph in GetCapability #26132 - main merge date: Sept 23, 8:54pm - pr: #26132 - commit: 72e56e7 ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> --------- Co-authored-by: Dmitri Smirnov <yuslepukhin@users.noreply.github.com> Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com> Co-authored-by: Chi Lo <54722500+chilo-ms@users.noreply.github.com>
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TedThemistokleous
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* ORT 1.23.1 cherrypick 1 [REDO] (microsoft#26140) ### Description Cherry-pick the following PRs into the ORT 1.23.1 branch: - Fix Attention GQA implementation on CPU - **MANUAL MERGE**: see microsoft#26057 - main merge date: Sept 15, 11:33am - pr: microsoft#25966 - commit: d530b29 - Address edge GetMemInfo edge cases - main merge date: Sept 16, 10:32am - pr: microsoft#26021 - commit: d251f3a - Implement new Python APIs - main merge date: Sept 17, 11:44am - pr: microsoft#25999 - commit: abc63e8 - MemcpyFromHost and MemcpyToHost support for plugin EPs - **MERGE CONFLICT** on file onnxruntime/test/optimizer/transpose_optimizer_test.cc. Conflicts with microsoft#25689 - main merge date: Sept 23, 10:42am - pr: microsoft#26088 - commit: 4545732 - [TRT RTX EP] Fix bug for generating the correct subgraph in GetCapability microsoft#26132 - main merge date: Sept 23, 8:54pm - pr: microsoft#26132 - commit: 72e56e7 ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> --------- Co-authored-by: Dmitri Smirnov <yuslepukhin@users.noreply.github.com> Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com> Co-authored-by: Chi Lo <54722500+chilo-ms@users.noreply.github.com> * ORT 1.23.1 cherrypick 2 (microsoft#26182) ### Description Adds the following commits to the `rel-1.23.1` branch for ORT 1.23.1: - add session_id_ to LogEvaluationStart/Stop, LogSessionCreationStart - main merge date: July 31, 1:05am - pr: microsoft#25590 - commit: e753643 - [build] fix WebAssembly build on macOS/arm64 - main merge date: Aug 5, 8:07am - pr: microsoft#25653 - commit: 53f152b - [CPU] MoE Kernel (microsoft#25958) - main merge date: Sept 10, 4:54pm - pr: microsoft#25958 - commit: 930e640 - [CPU] Block-wise QMoE kernel for CPU - main merge date: Sept 15, 8:32am - pr: microsoft#26009 - commit: 5d17734 - [C#] Implement missing APIs - main merge date: Sept 24, 10:50am - pr: microsoft#26101 - commit: 35dcab5 - Regenerate test model with ONNX IR < 12 - main merge date: Sept 24, 2:50pm - pr: microsoft#26149 - commit: 88f2652 - [CPU] Fix compilation errors because of unused variables - main merge date: Sept 25, 1:21pm - pr: microsoft#26147 - commit: 42fcd71 - [EP ABI] Check if nodes specified in GetCapability() have already been assigned - main merge date: Sept 26, 1:24am - pr: microsoft#26156 - commit: 67d3ba0 - [QNN EP] Add dynamic option to set HTP performance mode - main merge date: Sept 26, 11:55am - pr: microsoft#26135 - commit: 6cc40fd --------- Co-authored-by: xieofxie <xieofxie@126.com> Co-authored-by: hualxie <hualxie@microsoft.com> Co-authored-by: Yulong Wang <7679871+fs-eire@users.noreply.github.com> Co-authored-by: Akshay Sonawane <111780983+apsonawane@users.noreply.github.com> Co-authored-by: Dmitri Smirnov <yuslepukhin@users.noreply.github.com> Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com> Co-authored-by: quic-tirupath <quic_tirupath@quicinc.com> Co-authored-by: quic-ashwshan <quic_ashwshan@quicinc.com> --------- Co-authored-by: Adrian Lizarraga <adlizarraga@microsoft.com> Co-authored-by: Dmitri Smirnov <yuslepukhin@users.noreply.github.com> Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com> Co-authored-by: Chi Lo <54722500+chilo-ms@users.noreply.github.com> Co-authored-by: xieofxie <xieofxie@126.com> Co-authored-by: hualxie <hualxie@microsoft.com> Co-authored-by: Yulong Wang <7679871+fs-eire@users.noreply.github.com> Co-authored-by: Akshay Sonawane <111780983+apsonawane@users.noreply.github.com> Co-authored-by: quic-tirupath <quic_tirupath@quicinc.com> Co-authored-by: quic-ashwshan <quic_ashwshan@quicinc.com>
fs-eire
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Oct 24, 2025
### Description <!-- Describe your changes. --> Add support for `MemcpyFromHost` and `MemcpyToHost` ops with plugin EPs. - Add CPU EP fallback kernels for the memcpy ops. These are generic implementations using a data transfer manager. - Update `SessionState::PopulateKernelCreateInfo()` to fall back to CPU memcpy kernels if a node's assigned provider doesn't have them. - Update `MemcpyTransformer` to determine whether providers are CPU-based or compatible with other providers by looking at the device type instead of matching against a hardcoded list of provider types. This accommodates plugin EPs, where the provider type can't be hardcoded. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Allow plugin EPs to work with models where memcpy ops are required (i.e., models where connected nodes are not fully assigned to the plugin EP).
naomiOvad
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Nov 2, 2025
### Description <!-- Describe your changes. --> Add support for `MemcpyFromHost` and `MemcpyToHost` ops with plugin EPs. - Add CPU EP fallback kernels for the memcpy ops. These are generic implementations using a data transfer manager. - Update `SessionState::PopulateKernelCreateInfo()` to fall back to CPU memcpy kernels if a node's assigned provider doesn't have them. - Update `MemcpyTransformer` to determine whether providers are CPU-based or compatible with other providers by looking at the device type instead of matching against a hardcoded list of provider types. This accommodates plugin EPs, where the provider type can't be hardcoded. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> Allow plugin EPs to work with models where memcpy ops are required (i.e., models where connected nodes are not fully assigned to the plugin EP).
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Description
Add support for
MemcpyFromHostandMemcpyToHostops with plugin EPs.SessionState::PopulateKernelCreateInfo()to fall back to CPU memcpy kernels if a node's assigned provider doesn't have them.MemcpyTransformerto determine whether providers are CPU-based or compatible with other providers by looking at the device type instead of matching against a hardcoded list of provider types. This accommodates plugin EPs, where the provider type can't be hardcoded.Motivation and Context
Allow plugin EPs to work with models where memcpy ops are required (i.e., models where connected nodes are not fully assigned to the plugin EP).