mirror of
https://github.com/ROCm/jax.git
synced 2025-04-15 19:36:06 +00:00
f090074d86
In some environments this appears to import the config module rather than the config object.
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Copyright 2018 The JAX Authors.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# https://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import unittest
|
|
|
|
import jax
|
|
from jax import lax
|
|
from jax import numpy as jnp
|
|
from jax._src import test_util as jtu
|
|
from jax._src.lax import eigh as lax_eigh
|
|
|
|
from absl.testing import absltest
|
|
|
|
jax.config.parse_flags_with_absl()
|
|
|
|
|
|
linear_sizes = [16, 97, 128]
|
|
|
|
|
|
class LaxScipySpectralDacTest(jtu.JaxTestCase):
|
|
|
|
@jtu.sample_product(
|
|
linear_size=linear_sizes,
|
|
dtype=jtu.dtypes.floating + jtu.dtypes.complex,
|
|
termination_size=[1, 19],
|
|
)
|
|
def test_spectral_dac_eigh(self, linear_size, dtype, termination_size):
|
|
if not jtu.test_device_matches(["tpu"]) and termination_size != 1:
|
|
raise unittest.SkipTest(
|
|
"Termination sizes greater than 1 only work on TPU")
|
|
|
|
rng = self.rng()
|
|
H = rng.randn(linear_size, linear_size)
|
|
H = jnp.array(0.5 * (H + H.conj().T)).astype(dtype)
|
|
if jnp.dtype(dtype).name in ("bfloat16", "float16"):
|
|
self.assertRaises(
|
|
NotImplementedError, lax_eigh.eigh, H)
|
|
return
|
|
evs, V = lax_eigh.eigh(H, termination_size=termination_size)
|
|
ev_exp, _ = jnp.linalg.eigh(H)
|
|
HV = jnp.dot(H, V, precision=lax.Precision.HIGHEST)
|
|
vV = evs.astype(V.dtype)[None, :] * V
|
|
eps = jnp.finfo(H.dtype).eps
|
|
atol = jnp.linalg.norm(H) * eps
|
|
self.assertAllClose(ev_exp, jnp.sort(evs), atol=20 * atol)
|
|
self.assertAllClose(
|
|
HV, vV, atol=atol * (140 if jnp.issubdtype(dtype, jnp.complexfloating)
|
|
else 40))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
absltest.main(testLoader=jtu.JaxTestLoader())
|