mirror of https://github.com/m-labs/artiq.git
test/coredevice: Add host/device consistency checks for NumPy math
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from artiq.experiment import *
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import numpy
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from artiq.test.hardware_testbench import ExperimentCase
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from artiq.compiler import math_fns
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class _RunOnDevice(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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@kernel
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def run_on_kernel_unary(self, a, callback, numpy):
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self.run(a, callback, numpy)
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@kernel
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def run_on_kernel_binary(self, a, b, callback, numpy):
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self.run(a, b, callback, numpy)
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# Binary operations supported for scalars and arrays of any dimension, including
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# broadcasting.
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ELEM_WISE_BINOPS = ["+", "*", "//", "%", "**", "-", "/"]
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class CompareHostDeviceTest(ExperimentCase):
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def _test_binop(self, op, a, b):
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exp = self.create(_RunOnDevice)
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exp.run = kernel_from_string(["a", "b", "callback", "numpy"],
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"callback(a " + op + "b)",
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decorator=portable)
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checked = False
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def with_host_result(host):
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def with_both_results(device):
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nonlocal checked
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checked = True
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self.assertTrue(
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numpy.allclose(host, device),
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"Discrepancy in binop test for '{}': Expexcted ({}, {}) -> {}, got {}"
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.format(op, a, b, host, device))
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exp.run_on_kernel_binary(a, b, with_both_results, numpy)
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exp.run(a, b, with_host_result, numpy)
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self.assertTrue(checked, "Test did not run")
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def _test_unaryop(self, op, a):
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exp = self.create(_RunOnDevice)
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exp.run = kernel_from_string(["a", "callback", "numpy"],
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"callback(" + op + ")",
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decorator=portable)
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checked = False
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def with_host_result(host):
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def with_both_results(device):
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nonlocal checked
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checked = True
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self.assertTrue(
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numpy.allclose(host, device),
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"Discrepancy in unaryop test for '{}': Expexcted {} -> {}, got {}"
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.format(op, a, host, device))
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exp.run_on_kernel_unary(a, with_both_results, numpy)
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exp.run(a, with_host_result, numpy)
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self.assertTrue(checked, "Test did not run")
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def test_scalar_scalar_binops(self):
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# Some arbitrarily chosen arguments of different types. Could be turned into
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# randomised tests instead.
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# TODO: Provoke overflows, division by zero, etc., and compare results.
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args = [(typ(a), typ(b)) for a, b in [(0, 1), (3, 2), (11, 6)]
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for typ in [numpy.int32, numpy.int64, numpy.float]]
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for op in ELEM_WISE_BINOPS:
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for arg in args:
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self._test_binop(op, *arg)
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def test_scalar_matrix_binops(self):
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for typ in [numpy.int32, numpy.int64, numpy.float]:
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scalar = typ(3)
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matrix = numpy.array([[4, 5, 6], [7, 8, 9]], dtype=typ)
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for op in ELEM_WISE_BINOPS:
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self._test_binop(op, scalar, matrix)
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self._test_binop(op, matrix, scalar)
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self._test_binop(op, matrix, matrix)
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def test_unary_math_fns(self):
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names = [
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a for a, _ in math_fns.unary_fp_intrinsics + math_fns.unary_fp_runtime_calls
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]
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for name in names:
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op = "numpy.{}(a)".format(name)
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print(op)
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self._test_unaryop(op, 0.5)
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self._test_unaryop(op, numpy.array([[0.3, 0.4], [0.5, 0.6]]))
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