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chore(optimizer): enhance optimizer errors
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66 changes: 66 additions & 0 deletions
66
frontends/concrete-python/tests/compilation/test_optimizer_errors.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| """ | ||
| Tests errors returned by the compiler. | ||
| """ | ||
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| import inspect | ||
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| import numpy as np | ||
| import pytest | ||
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| from concrete import fhe | ||
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| # pylint: disable=missing-class-docstring, missing-function-docstring, no-self-argument, unused-variable, no-member, unused-argument, function-redefined, expression-not-assigned | ||
| # same disables for ruff: | ||
| # ruff: noqa: N805, E501, F841, ARG002, F811, B015, RUF001 | ||
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| def test_non_composable(helpers): | ||
| """ | ||
| Test optimizer error for lack of refresh. | ||
| """ | ||
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| @fhe.compiler({"x": "encrypted"}) | ||
| def circuit(x): | ||
| return x * 2 | ||
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| line = inspect.currentframe().f_lineno - 2 | ||
| inputset = range(100) | ||
| config = helpers.configuration().fork(composable=True, parameter_selection_strategy="MULTI") | ||
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| with pytest.raises(RuntimeError) as excinfo: | ||
| circuit = circuit.compile(inputset, config) | ||
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| assert ( | ||
| str(excinfo.value) | ||
| == f"Program can not be composed (see https://docs.zama.ai/concrete/compilation/common_errors#id-8.-unfeasible-noise-constraint): \ | ||
| At location test_optimizer_errors.py:{line}:0:\nThe noise of the node 0 is contaminated by noise coming straight from the input \ | ||
| (partition: 0, coeff: 4.00)." | ||
| ) | ||
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| def test_unfeasible(helpers): | ||
| """ | ||
| Test optimizer error for unfeasible circuit. | ||
| """ | ||
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| @fhe.module() | ||
| class Module: | ||
| @fhe.function({"x": "encrypted"}) | ||
| def a(x): | ||
| return fhe.refresh(x * 10) | ||
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| @fhe.function({"x": "encrypted"}) | ||
| def b(x): | ||
| return fhe.refresh(x * 1000) | ||
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| line = inspect.currentframe().f_lineno - 2 | ||
| inputset = [np.random.randint(1, 1000, size=()) for _ in range(100)] | ||
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| with pytest.raises(RuntimeError) as excinfo: | ||
| module = Module.compile({"a": inputset, "b": inputset}, p_error=0.000001) | ||
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| assert ( | ||
| str(excinfo.value) | ||
| == f"Unfeasible noise constraint encountered (see https://docs.zama.ai/concrete/compilation/common_errors#id-9.-non-composable-circuit): \ | ||
| At location test_optimizer_errors.py:{line}:0:\n21990232555520000000σ²Br[0] + 1σ²K[0] + 1σ²M[0] < (2²)**-4.5 (0bits partition:0 count:1, dom=73)." | ||
| ) |