Source code for jax.experimental.x64_context

# Copyright 2021 Google LLC
#
# 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.

"""Context managers for toggling X64 mode.

**Experimental: please give feedback, and expect changes.**
"""

# This file provides
#  1. a jax.experimental API endpoint;
#  2. the `disable_x64` wrapper.
# TODO(jakevdp): remove this file, and consider removing `disable_x64` for
# uniformity

from contextlib import contextmanager
from jax._src.config import enable_x64 as _jax_enable_x64

[docs]@contextmanager def enable_x64(new_val: bool = True): """Experimental context manager to temporarily enable X64 mode. Usage:: >>> import jax.numpy as jnp >>> with enable_x64(): ... print(jnp.arange(10.0).dtype) ... float64 See Also -------- jax.experimental.enable_x64 : temporarily enable X64 mode. """ with _jax_enable_x64(new_val): yield
[docs]@contextmanager def disable_x64(): """Experimental context manager to temporarily disable X64 mode. Usage:: >>> import jax.numpy as jnp >>> with disable_x64(): ... print(jnp.arange(10.0).dtype) ... float32 See Also -------- jax.experimental.enable_x64 : temporarily enable X64 mode. """ with _jax_enable_x64(False): yield