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548c460bf1
See https://github.com/pytorch/pytorch/pull/129751#issue-2380881501. Most changes are auto-generated by linter. You can review these PRs via: ```bash git diff --ignore-all-space --ignore-blank-lines HEAD~1 ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/129758 Approved by: https://github.com/ezyang
76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
"""Script to generate baseline values from PyTorch initialization algorithms"""
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import sys
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import torch
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HEADER = """
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#include <torch/types.h>
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#include <vector>
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namespace expected_parameters {
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"""
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FOOTER = "} // namespace expected_parameters"
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PARAMETERS = "inline std::vector<std::vector<torch::Tensor>> {}() {{"
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INITIALIZERS = {
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"Xavier_Uniform": lambda w: torch.nn.init.xavier_uniform(w),
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"Xavier_Normal": lambda w: torch.nn.init.xavier_normal(w),
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"Kaiming_Normal": lambda w: torch.nn.init.kaiming_normal(w),
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"Kaiming_Uniform": lambda w: torch.nn.init.kaiming_uniform(w),
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}
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def emit(initializer_parameter_map):
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# Don't write generated with an @ in front, else this file is recognized as generated.
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print("// @{} from {}".format("generated", __file__))
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print(HEADER)
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for initializer_name, weights in initializer_parameter_map.items():
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print(PARAMETERS.format(initializer_name))
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print(" return {")
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for sample in weights:
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print(" {")
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for parameter in sample:
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parameter_values = "{{{}}}".format(", ".join(map(str, parameter)))
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print(f" torch::tensor({parameter_values}),")
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print(" },")
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print(" };")
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print("}\n")
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print(FOOTER)
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def run(initializer):
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torch.manual_seed(0)
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layer1 = torch.nn.Linear(7, 15)
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INITIALIZERS[initializer](layer1.weight)
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layer2 = torch.nn.Linear(15, 15)
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INITIALIZERS[initializer](layer2.weight)
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layer3 = torch.nn.Linear(15, 2)
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INITIALIZERS[initializer](layer3.weight)
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weight1 = layer1.weight.data.numpy()
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weight2 = layer2.weight.data.numpy()
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weight3 = layer3.weight.data.numpy()
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return [weight1, weight2, weight3]
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def main():
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initializer_parameter_map = {}
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for initializer in INITIALIZERS.keys():
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sys.stderr.write(f"Evaluating {initializer} ...\n")
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initializer_parameter_map[initializer] = run(initializer)
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emit(initializer_parameter_map)
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if __name__ == "__main__":
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main()
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