feat(docs): add half-precision training section in using_simulator docs #678
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PabloCarmona
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jubueche
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Aug 12, 2024
Signed-off-by: Pablo Carmona Gonzalez <pablocarmonagonzalez@gmail.com>
Signed-off-by: Pablo Carmona Gonzalez <pablocarmonagonzalez@gmail.com>
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@coreylammie @anu-pub Take a look at it and let me know what you think, thanks! |
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Compilation is currently not working for the half precision type. To reproduce: Error: |
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@maljoras I think this is something that you could maybe easily fix. Or you could tell me how I could resolve it. |
maljoras
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Aug 25, 2024
| dataset = datasets.MNIST("data", train=True, download=True, transform=transform) | ||
| train_loader = torch.utils.data.DataLoader(dataset, batch_size=32) | ||
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| model = model.to(device=device, dtype=torch.bfloat16) |
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Does this also work with other tiles that TorchInference? I had added a HALF type, like in the above: rpu_config.runtime.data_type = RPUDataType.HALF
because the HALF could either be bfloat16 of float16 depending on the compilation options.
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There also a runtime.data_type.as_torch() or something function to convert it to the corresponding torch type, see https://github.com/IBM/aihwkit/blob/master/src/aihwkit/simulator/parameters/enums.py#L23
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Yes, one has to enable the FP16 auto-conversion during the compilation if I remember correctly. You have to make sure that |
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You could try to set additionally |
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You might also want to use bfloat as default FP16 type (with |
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Actually, could also be related to the rather old compiler you are using? One way to go about it might to change each conversion |
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I suspect the compiler version to be the problem. Do you know what compiler version worked? On the system I using to check this it is not working. Regarding the other things you mentioned: I tried |
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@jubueche have you tried a different compiler version? what is the status on this testing? |
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Related issues
#623
#677
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