Update dependency jax to v0.5.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jax	==0.5.0 -> ==0.5.1

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Release Notes

jax-ml/jax (jax)

v0.5.1

Compare Source

• New Features

  • Added an experimental {func}jax.experimental.custom_dce.custom_dce
    decorator to support customizing the behavior of opaque functions under
    JAX-level dead code elimination (DCE). See {jax-issue}#25956 for more
    details.
  • Added low-level reduction APIs in {mod}jax.lax: {func}jax.lax.reduce_sum,
    {func}jax.lax.reduce_prod, {func}jax.lax.reduce_max, {func}jax.lax.reduce_min,
    {func}jax.lax.reduce_and, {func}jax.lax.reduce_or, and {func}jax.lax.reduce_xor.
  • {func}jax.lax.linalg.qr, and {func}jax.scipy.linalg.qr, now support
    column-pivoting on CPU and GPU. See {jax-issue}#20282 and
    {jax-issue}#25955 for more details.

• Changes

  • JAX_CPU_COLLECTIVES_IMPLEMENTATION and JAX_NUM_CPU_DEVICES now work as
    env vars. Before they could only be specified via jax.config or flags.
  • JAX_CPU_COLLECTIVES_IMPLEMENTATION now defaults to 'gloo', meaning
    multi-process CPU communication works out-of-the-box.
  • The jax[tpu] TPU extra no longer depends on the libtpu-nightly package.
    This package may safely be removed if it is present on your machine; JAX now
    uses libtpu instead.

• Deprecations

  • The internal function linear_util.wrap_init and the constructor
    core.Jaxpr now must take a non-empty core.DebugInfo kwarg. For
    a limited time, a DeprecationWarning is printed if
    jax.extend.linear_util.wrap_init is used without debugging info.
    A downstream effect of this several other internal functions need debug
    info. This change does not affect phttps://github.com/jax-ml/jax/issues/26480/JAX internal functions must take a non-empty core.DebugInfo. jax-ml/jax#26480 for more detail.

• Bug fixes

  • TPU runtime startup and shutdown time should be significantly improved on
    TPU v5e and newer (from around 17s to around 8s). If not already set, you may
    need to enable transparent hugepages in your VM image
    (sudo sh -c 'echo always > /sys/kernel/mm/transparent_hugepage/enabled').
    We hope to improve this further in future releases.
  • Persistent compilation cache no longer writes access time file if
    JAX_COMPILATION_CACHE_MAX_SIZE is unset or set to -1, i.e. if the LRU
    eviction policy isn't enabled. This should improve performance when using
    the cache with large-scale network storage.

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