Bump minimum jaxlib version to 0.4.31. The corresponding xla_extension_version is 279 and mlir_api_version is 57

PiperOrigin-RevId: 657400413

docs/export/export.md

@@ -207,7 +207,7 @@ as in the following example:
 >>> print(jax.jit(new_prim.bind).lower(1.).compiler_ir())
 module @jit_bind attributes {mhlo.num_partitions = 1 : i32, mhlo.num_replicas = 1 : i32} {
   func.func public @main(%arg0: tensor<f32> {mhlo.layout_mode = "default"}) -> (tensor<f32> {jax.result_info = "", mhlo.layout_mode = "default"}) {
-    %0 = stablehlo.custom_call @my_new_prim(%arg0) {api_version = 2 : i32} : (tensor<f32>) -> tensor<f32>
+    %0 = stablehlo.custom_call @my_new_prim(%arg0) {api_version = 2 : i32, backend_config = ""} : (tensor<f32>) -> tensor<f32>
     return %0 : tensor<f32>
   }
 }

jax/_src/interpreters/pxla.py

@@ -60,7 +60,6 @@ from jax._src.interpreters import mlir
 from jax._src.interpreters import xla
 from jax._src.layout import DeviceLocalLayout, AutoLayout, Layout
 from jax._src.lib import xla_client as xc
-from jax._src.lib import xla_extension_version
 from jax._src.lib.mlir import ir
 from jax._src.lib.mlir.dialects import hlo
 from jax._src.partition_spec import PartitionSpec
@@ -2492,13 +2491,10 @@ def maybe_recover_user_shardings(
 
 def is_user_xla_layout_equal(ul: DeviceLocalLayout | AutoLayout,
                              xl: DeviceLocalLayout) -> bool:
-  if xla_extension_version >= 274:
   if isinstance(ul, DeviceLocalLayout) and ul._tiling is None:
     return ul.major_to_minor == xl.major_to_minor
   else:
     return ul == xl
-  else:
-    return ul == xl
 
 def _check_user_xla_layout(ul, xl, what: str):
   if not is_user_xla_layout_equal(ul, xl):

jax/_src/layout.py

@@ -21,7 +21,6 @@ from jax._src.dtypes import iinfo, issubdtype
 from jax._src.sharding import Sharding
 from jax._src.sharding_impls import AUTO as AutoSharding, is_auto
 from jax._src.lib import xla_client as xc
-from jax._src.lib import xla_extension_version
 
 Shape = tuple[int, ...]
 
@@ -31,7 +30,6 @@ class AutoLayout:
     return "AUTO"
 
 
-if xla_extension_version >= 274:
 class DeviceLocalLayout:
   major_to_minor: tuple[int, ...]
   _tiling: tuple[tuple[int, ...], ...] | None
@@ -91,37 +89,6 @@ if xla_extension_version >= 274:
           f'Length of major_to_minor and the rank of the value should match.'
           f' Got major_to_minor={self.major_to_minor} and shape={aval_shape}')
 
-else:
-  class DeviceLocalLayout:  # type: ignore
-    layout: xc.PjRtLayout
-
-    AUTO = AutoLayout()
-
-    def __init__(self, layout: xc.PjRtLayout):
-      self._layout = layout
-      self._layout_str = str(self._layout)
-
-    @staticmethod
-    def from_pjrt_layout(pjrt_layout: xc.PjRtLayout):
-      return DeviceLocalLayout(pjrt_layout)  # type: ignore
-
-    def __repr__(self):
-      return f'DeviceLocalLayout({self._layout_str})'
-
-    def __hash__(self):
-      return hash(self._layout)
-
-    def __eq__(self, other):
-      if not isinstance(other, DeviceLocalLayout):
-        return False
-      return self._layout == other._layout
-
-    def _to_xla_layout(self, dtype) -> str:
-      return self._layout_str
-
-    def check_compatible_aval(self, aval_shape: Shape):
-      pass
-
 
 LayoutOptions = Union[DeviceLocalLayout, None, AutoLayout]  # pytype: disable=invalid-annotation
 ShardingOptions = Union[Sharding, None, AutoSharding]

jax/_src/pjit.py

@@ -63,7 +63,6 @@ from jax._src.lib.mlir import ir
 from jax._src.lib.mlir.dialects import func as func_dialect
 from jax._src.lib import jax_jit
 from jax._src.lib import xla_client as xc
-from jax._src.lib import xla_extension_version
 from jax._src import sharding
 from jax._src.sharding_impls import (
     NamedSharding, GSPMDSharding,
@@ -714,7 +713,7 @@ def _infer_params(
     resource_env = None
     pjit_mesh = None
 
-  skip_cache = xla_extension_version < 273 or config.dynamic_shapes.value
+  skip_cache = config.dynamic_shapes.value
   if not skip_cache:
     signature, dynargs = jax_jit.parse_arguments(
         args, tuple(kwargs.values()), tuple(kwargs.keys()), ji.static_argnums,

jax/_src/sharding_impls.py

@@ -32,7 +32,6 @@ from jax._src import tree_util
 from jax._src import util
 from jax._src import xla_bridge
 from jax._src.lib import xla_client as xc
-from jax._src.lib import xla_extension_version
 from jax._src.op_shardings import (
     are_op_shardings_equal, get_num_ways_dim_sharded, is_op_sharding_replicated)
 from jax._src.partition_spec import PartitionSpec
@@ -1065,8 +1064,6 @@ def preprocess(mesh, spec, parsed_pspec, _manual_axes=frozenset()):
   _check_mesh_resource_axis(mesh, parsed_pspec, _manual_axes)
   return parsed_pspec
 
-if xla_extension_version < 279:
-  preprocess_with_manual = preprocess
 
 def prepare_axis_resources(axis_resources,
                            arg_name,

jax/version.py

@@ -133,7 +133,7 @@ def _get_cmdclass(pkg_source_path):
 
 
 __version__ = _get_version_string()
-_minimum_jaxlib_version = "0.4.30"
+_minimum_jaxlib_version = "0.4.31"
 
 def _version_as_tuple(version_str):
   return tuple(int(i) for i in version_str.split(".") if i.isdigit())

tests/api_test.py

@@ -62,7 +62,6 @@ from jax._src.interpreters import partial_eval as pe
 from jax._src.compilation_cache import is_persistent_cache_enabled
 from jax._src.lib import xla_client
 from jax._src.lib import xla_extension
-from jax._src.lib import xla_extension_version
 import jax._src.util as jax_util
 from jax.ad_checkpoint import checkpoint_name, checkpoint as new_checkpoint
 import jax.custom_batching
@@ -2641,7 +2640,6 @@ class APITest(jtu.JaxTestCase):
 
     self.assertEqual(count[0], 1)
 
-  @unittest.skipIf(xla_extension_version <= 273, "requires jaxlib 0.4.31")
   def test_jit_infer_params_cache(self):
     def f(x):
       return x
@@ -4427,7 +4425,6 @@ class APITest(jtu.JaxTestCase):
     g = jax.grad(f, argnums=-1)
     g(x, y)  # doesn't crash
 
-  @unittest.skipIf(xla_extension_version < 272, "requires jaxlib 0.4.31")
   def test_jit_negative_static_argnums(self):
     @partial(jax.jit, static_argnums=-1)
     def g(x, y):

tests/device_test.py

@@ -15,7 +15,6 @@
 from absl.testing import absltest
 import jax
 from jax._src import test_util as jtu
-from jax._src.lib import xla_extension_version
 
 jax.config.parse_flags_with_absl()
 
@@ -27,9 +26,6 @@ class DeviceTest(jtu.JaxTestCase):
 
     # TODO(pobudzey): Add a test for rocm devices when available.
     if jtu.is_device_cuda():
-      if xla_extension_version < 276:
-        self.skipTest('requires jaxlib 0.4.31')
-
       self.assertEqual(device.platform, 'gpu')
       self.assertEqual(repr(device), 'CudaDevice(id=0)')
     elif jtu.test_device_matches(['tpu']):

tests/export_back_compat_test.py

@@ -19,7 +19,6 @@ update these tests.
 import dataclasses
 from functools import partial
 import itertools
-import logging
 import math
 
 from absl.testing import absltest, parameterized
@@ -64,7 +63,6 @@ from jax._src import config
 from jax._src import test_util as jtu
 from jax._src.lib import cuda_versions
 from jax._src.lib import version as jaxlib_version
-from jax._src.lib import xla_extension_version
 
 config.parse_flags_with_absl()
 
@@ -591,8 +589,6 @@ class CompatTest(bctu.CompatTestBase):
     self.run_one_test(func, data)
 
   def test_cuda_threefry2x32(self):
-    logging.info("test_cuda_threefry2x32: xla_extension_version: %s",
-                 xla_extension_version)
     def func(x):
       return jax.random.uniform(x, (2, 4), dtype=np.float32)
 

tests/extend_test.py

@@ -15,7 +15,6 @@
 import os
 
 import numpy as np
-import unittest
 from absl.testing import absltest, parameterized
 
 import jax
@@ -30,7 +29,6 @@ from jax._src import linear_util
 from jax._src import prng
 from jax._src import test_util as jtu
 from jax._src.interpreters import mlir
-from jax._src.lib import xla_extension_version
 from jax._src.lib.mlir import ir
 from jax._src.extend import ffi
 
@@ -124,7 +122,6 @@ class FfiTest(jtu.JaxTestCase):
     dtype=(np.int32,),
   )
   @jtu.run_on_devices("gpu")
-  @unittest.skipIf(xla_extension_version < 272, "requires jaxlib 0.4.31")
   def testFfiCall(self, shape, dtype):
     pivots_size = shape[-1]
     permutation_size = 2 * pivots_size
@@ -140,7 +137,6 @@ class FfiTest(jtu.JaxTestCase):
       vectorized=(False, True),
   )
   @jtu.run_on_devices("gpu")
-  @unittest.skipIf(xla_extension_version < 272, "requires jaxlib 0.4.31")
   def testFfiCallBatching(self, shape, dtype, vectorized):
     shape = (10,) + shape
     pivots_size = shape[-1]

tests/layout_test.py

@@ -25,7 +25,6 @@ from jax._src import config
 from jax._src.layout import Layout, DeviceLocalLayout as DLL
 from jax._src import test_util as jtu
 from jax._src.util import safe_zip
-from jax._src.lib import xla_extension_version
 
 config.parse_flags_with_absl()
 
@@ -405,9 +404,6 @@ class LayoutTest(jtu.JaxTestCase):
     self.assertArraysEqual(out, inp.T)
 
   def test_device_put_user_concrete_layout(self):
-    if xla_extension_version < 274:
-      self.skipTest('Requires xla_extension_version >= 274')
-
     shape = (8, 128)
     np_inp = np.arange(math.prod(shape)).reshape(shape)
     dll = DLL(major_to_minor=(1, 0))
@@ -437,9 +433,6 @@ class LayoutTest(jtu.JaxTestCase):
                      custom_dll.major_to_minor)
 
   def test_compatible_aval_error(self):
-    if xla_extension_version < 274:
-      self.skipTest('Requires xla_extension_version >= 274')
-
     custom_dll = DLL(major_to_minor=(0, 1, 2))
     l = Layout(custom_dll, SingleDeviceSharding(jax.devices()[0]))
     inp = np.arange(8)
@@ -454,9 +447,6 @@ class LayoutTest(jtu.JaxTestCase):
       f(inp)
 
   def test_incompatible_aval_error_device_put(self):
-    if xla_extension_version < 274:
-      self.skipTest('Requires xla_extension_version >= 274')
-
     custom_dll = DLL(major_to_minor=(0, 1, 2))
     l = Layout(custom_dll, SingleDeviceSharding(jax.devices()[0]))
     inp = np.arange(8)

tests/linalg_test.py

@@ -16,7 +16,6 @@
 
 from functools import partial
 import itertools
-import unittest
 
 import numpy as np
 import scipy
@@ -34,7 +33,6 @@ from jax._src import config
 from jax._src.lax import linalg as lax_linalg
 from jax._src import test_util as jtu
 from jax._src import xla_bridge
-from jax._src.lib import xla_extension_version
 from jax._src.numpy.util import promote_dtypes_inexact
 
 config.parse_flags_with_absl()
@@ -1625,7 +1623,6 @@ class ScipyLinalgTest(jtu.JaxTestCase):
         (a, b),
         (a, b))
 
-  @unittest.skipIf(xla_extension_version < 277, "Requires jaxlib > 0.4.30")
   def testTriangularSolveSingularBatched(self):
     x = jnp.array([[1, 1], [0, 0]], dtype=np.float32)
     y = jnp.array([[1], [1.]], dtype=np.float32)