Removed unnecessary skip in pallas_test.py::SoftmaxTest

The Triton bug, whatever it was, seems to have been fixed.

PiperOrigin-RevId: 644293465

Author: superbobry

Diff for: tests/pallas/pallas_test.py

@@ -2148,16 +2148,11 @@ class RmsNormInterpreterTest(PallasTest):
 
 class SoftmaxTest(PallasTest):
 
-  @parameterized.parameters(
-      (shape, dtype)
-      for shape in [(1024, 125), (4, 1024, 125)]
-      for dtype in (jnp.bfloat16, jnp.float16, jnp.float32)
+  @parameterized.product(
+      shape=[(1024, 125), (4, 1024, 125)],
+      dtype=[jnp.bfloat16, jnp.float16, jnp.float32]
   )
   def test_softmax(self, shape, dtype):
-    # TODO(bchetioui): add Triton bug reference when filed
-    if dtype == jnp.bfloat16:
-      raise absltest.SkipTest("Disabled due to Triton lowering bug")
-
     x = jax.random.normal(random.key(0), shape, dtype=dtype)
 
     atol, rtol = {
@@ -2166,9 +2161,11 @@ def test_softmax(self, shape, dtype):
         jnp.float32: (1e-7, 1e-6),
     }[dtype]
 
+    # We upcast to float32 because NumPy <2.0 does not handle custom dtypes
+    # properly. See https://github.com/google/jax/issues/11014.
     np.testing.assert_allclose(
-        softmax.softmax(x, axis=-1),
-        jax.nn.softmax(x, axis=-1),
+        softmax.softmax(x, axis=-1).astype(jnp.float32),
+        jax.nn.softmax(x, axis=-1).astype(jnp.float32),
         atol=atol,
         rtol=rtol,
     )