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Merge pull request #231 from iamveronika/ve/updt
WIP: New JSON Interface
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{ | ||
"model": { | ||
"model_name": "ACE1", | ||
"pair_basis": "legendre", | ||
"elements": [ | ||
"Si" | ||
], | ||
"pair_rin": 0.0, | ||
"pure": false, | ||
"pair_transform": [ | ||
"agnesi", | ||
1, | ||
3 | ||
], | ||
"totaldegree": 10, | ||
"delete2b": false, | ||
"wL": 1.5, | ||
"pair_degree": 10, | ||
"rbasis": "legendre", | ||
"pure2b": false, | ||
"pair_rcut": 6.7, | ||
"rcut": 6.7, | ||
"variable_cutoffs": false, | ||
"rin": 0.0, | ||
"order": 3, | ||
"r0": 2.5, | ||
"transform": [ | ||
"agnesi", | ||
2, | ||
4 | ||
] | ||
}, | ||
"solve": { | ||
"weights": { | ||
"FLD_TiAl": { | ||
"V": 1.0, | ||
"E": 30.0, | ||
"F": 1.0 | ||
}, | ||
"TiAl_T5000": { | ||
"V": 1.0, | ||
"E": 5.0, | ||
"F": 1.0 | ||
} | ||
}, | ||
"prior": { | ||
"name": "algebraic", | ||
"param": 4 | ||
}, | ||
"solver": { | ||
"name": "BLR", | ||
"param": { | ||
"factorization": "svd", | ||
"committee_size": 20 | ||
} | ||
} | ||
}, | ||
"data": { | ||
"train_file": "Si_tiny.xyz", | ||
"force_key": "dft_force", | ||
"test_file": "Si_tiny.xyz", | ||
"energy_key": "dft_energy", | ||
"virial_key": "dft_virial" | ||
}, | ||
"output": { | ||
"model": "results.json" | ||
} | ||
} | ||
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# | ||
# julia --project=. runfit.jl -p example_params.json | ||
# | ||
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using ACEpotentials | ||
using ACEpotentials: JSON, ExtXYZ | ||
using ACEpotentials.ArgParse: ArgParseSettings, @add_arg_table, parse_args | ||
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parser = ArgParseSettings(description="Fit an ACE potential from parameters file") | ||
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@add_arg_table parser begin | ||
"--params", "-p" | ||
help = "A JSON or YAML filename with parameters for the fit" | ||
"--dry-run" | ||
help = "Only quickly compute various sizes, etc" | ||
action = :store_true | ||
"--num-blas-threads" | ||
help = "Number of processes for BLAS to use when solving the LsqDB" | ||
arg_type = Int | ||
default = 1 | ||
end | ||
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# parse the command | ||
args = parse_args(parser) | ||
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@info("Load parameter file") | ||
args_dict = JSON.parsefile(args["params"]) | ||
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@info("Construct ACEmodel of type $(args_dict["model"]["model_name"])") | ||
model = ACEpotentials.make_model(args_dict["model"]) | ||
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@info("Load datasets") | ||
train = ExtXYZ.load(args_dict["data"]["train_file"]) | ||
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data_keys = ( | ||
force_key = args_dict["data"]["force_key"], | ||
energy_key = args_dict["data"]["energy_key"], | ||
virial_key = args_dict["data"]["virial_key"]) | ||
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weights = args_dict["solve"]["weights"] | ||
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solver = ACEpotentials.make_solver(args_dict["solve"]["solver"]) | ||
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# TODO: make prior | ||
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acefit!(train, model; | ||
data_keys..., weights = weights, solver = solver) | ||
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# training errors | ||
err_train = ACEpotentials.linear_errors(train, model; data_keys..., weights=weights) | ||
err = Dict("train" => err_train) | ||
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# test errors (if a test dataset exists) | ||
if haskey(args_dict["data"], "test_file") | ||
test = ExtXYZ.load(args_dict["data"]["test_file"]) | ||
err_test = ACEpotentials.linear_errors(test, model; data_keys..., weights=weights) | ||
err["test"] = err_test | ||
end | ||
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# saving results | ||
result_file = args_dict["output"]["model"] | ||
ACEpotentials.save_model(model, joinpath(@__DIR__(), args_dict["output"]["model"]); | ||
make_model_args = args_dict, | ||
errors = err, ) |
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end | ||
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