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RuntimeError: Error in execution: At least one output should be requested. #145

@StochasticRomanAgeev

Description

@StochasticRomanAgeev

Getting this error with pretty simple model.
This is direct error from ONNX, but I couldn’t find any methods to register output in ORTInferenceModule

Versions:
torch Version: 1.12.1
onnx Version: 1.12.0
torch-ort-infer Version: 1.12.0

Reproduction steps:

import torch
from torch import nn
from torch_ort import ORTInferenceModule, OpenVINOProviderOptions

class Block(nn.Module):
    def __init__(self, size):
        super().__init__()
        self.size = size
        self.ff1 = nn.Linear(size, size)

    def forward(self, x):
        second = self.ff1(x)
        return second

model = Block(1024)
model.eval()

model = ORTInferenceModule(model, provider_options=OpenVINOProviderOptions(backend="CPU", precision="FP32"))

with torch.inference_mode():
    print("start")

    x = torch.randn(1, 1024, dtype=torch.float32)
    x = model(x)
    print(x.mean())

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