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[Relax][Frontend] PyTorch importer #95

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merged 5 commits into from
Jan 27, 2023

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spectrometerHBH
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@spectrometerHBH spectrometerHBH commented Jan 11, 2023

Implements the Relax importer from PyTorch, using torch FX.

An example use of the importer is:

# Import the importer.
from tvm.relax.frontend import from_pytorch

# Define the module
class MyModule(torch.nn.Module):
    def __init__(self):
        super().__init__()
        self.linear = torch.nn.Linear(in_features=10, out_features=7, bias=True)

    def forward(self, input):
        return self.linear(input)

# Instantiate the model and create the input info dict.
torch_model = MyModule()
input_info = {"input_1": ((128, 10), "float32")}

# Use the importer to import the PyTorch model to Relax.
mod: tvm.IRModule = from_pytorch(torch_model, input_info)

# Print out the imported model.
# print(mod.script())

@tqchen
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tqchen commented Jan 20, 2023

@Hzfengsy @jinhongyii would be great if you can help review

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Thank you for brining the Fx importer!
A few comments.

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@MasterJH5574 MasterJH5574 merged commit d8e982f into mlc-ai:relax Jan 27, 2023
MasterJH5574 added a commit that referenced this pull request Jan 28, 2023
Implements the Relax importer from PyTorch, using torch FX.

An example use of the importer is:

```python
# Import the importer.
from tvm.relax.frontend import from_pytorch

# Define the module
class MyModule(torch.nn.Module):
    def __init__(self):
        super().__init__()
        self.linear = torch.nn.Linear(in_features=10, out_features=7, bias=True)

    def forward(self, input):
        return self.linear(input)

# Instantiate the model and create the input info dict.
torch_model = MyModule()
input_info = {"input_1": ((128, 10), "float32")}

# Use the importer to import the PyTorch model to Relax.
mod: tvm.IRModule = from_pytorch(torch_model, input_info)

# Print out the imported model.
# print(mod.script())
```

---------

Co-authored-by: Ruihang Lai <ruihangl@cs.cmu.edu>
MasterJH5574 added a commit that referenced this pull request Jan 31, 2023
Implements the Relax importer from PyTorch, using torch FX.

An example use of the importer is:

```python
# Import the importer.
from tvm.relax.frontend import from_pytorch

# Define the module
class MyModule(torch.nn.Module):
    def __init__(self):
        super().__init__()
        self.linear = torch.nn.Linear(in_features=10, out_features=7, bias=True)

    def forward(self, input):
        return self.linear(input)

# Instantiate the model and create the input info dict.
torch_model = MyModule()
input_info = {"input_1": ((128, 10), "float32")}

# Use the importer to import the PyTorch model to Relax.
mod: tvm.IRModule = from_pytorch(torch_model, input_info)

# Print out the imported model.
# print(mod.script())
```

---------

Co-authored-by: Ruihang Lai <ruihangl@cs.cmu.edu>
MasterJH5574 added a commit that referenced this pull request Feb 8, 2023
Enhance VM Executable as a Subclass of runtime::Module
MasterJH5574 added a commit that referenced this pull request Feb 8, 2023
Implements the Relax importer from PyTorch, using torch FX.

An example use of the importer is:

```python
# Import the importer.
from tvm.relax.frontend import from_pytorch

# Define the module
class MyModule(torch.nn.Module):
    def __init__(self):
        super().__init__()
        self.linear = torch.nn.Linear(in_features=10, out_features=7, bias=True)

    def forward(self, input):
        return self.linear(input)

# Instantiate the model and create the input info dict.
torch_model = MyModule()
input_info = {"input_1": ((128, 10), "float32")}

# Use the importer to import the PyTorch model to Relax.
mod: tvm.IRModule = from_pytorch(torch_model, input_info)

# Print out the imported model.
# print(mod.script())
```

---------

Co-authored-by: Ruihang Lai <ruihangl@cs.cmu.edu>
spectrometerHBH pushed a commit to spectrometerHBH/relax that referenced this pull request Feb 9, 2023
Enhance VM Executable as a Subclass of runtime::Module
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5 participants