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[CVS-172796] fix bfloat16 conversion when single cast node to bfloat16 #841

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Merged
merged 8 commits into from
Nov 11, 2025
Merged

[CVS-172796] fix bfloat16 conversion when single cast node to bfloat16 #841

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3eaaa8d
disable bfloat16 conversion when single cast node to bfloat16, unit t…
bopeng1234 Oct 31, 2025
1827858
Insert a Cast(To:BFloat16) before output node(bfloat16) to keep user …
bopeng1234 Nov 3, 2025
415fdfe
revert changes to add Cast Node, add statement to disable bfloat16 tr…
bopeng1234 Nov 3, 2025
428459c
Merge branch 'ovep-develop' into cast_op_test
MayureshV1 Nov 5, 2025
a6f7cbb
remove bfloat16 silence conversion
bopeng1234 Nov 6, 2025
46b1c78
remove bf16 testing and cpu support for openvino
bopeng1234 Nov 7, 2025
9e56424
Merge branch 'ovep-develop' into cast_op_test
MayureshV1 Nov 7, 2025
2471b64
Merge branch 'ovep-develop' into cast_op_test
MayureshV1 Nov 10, 2025
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2 changes: 1 addition & 1 deletion onnxruntime/core/providers/openvino/backend_manager.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -598,7 +598,7 @@ BackendManager::GetModelProtoFromFusedNode(const onnxruntime::Node& fused_node,
DumpOpenVINOEPModel(onnx_model_path_name, model_proto.get(), fused_node);
ORT_ENFORCE(status.IsOK(), status.ErrorMessage());
return model_proto;
} else if (IsModelBF16(subgraph)) {
} else if ((session_context_.device_type.find("CPU") == std::string::npos) && IsModelBF16(subgraph)) {
LOGS_DEFAULT(INFO) << "[OpenVINO-EP] OVEP bfloat16->float16 optimization pass is enabled";
std::unique_ptr<onnxruntime::Model> model;
Status status = bfloat16_fix::Transform(subgraph, logger, model);
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