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[PJRT][IFRT] Update PJRT, IFRT, and Py executable getters to return PjRtLayouts #20240

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[PJRT][IFRT] Update PJRT, IFRT, and Py executable getters to return PjRtLayouts #20240

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13 changes: 11 additions & 2 deletions jax/_src/layout.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
# limitations under the License.

from __future__ import annotations
import re

from jax._src.lib import xla_client as xc

Expand All @@ -33,8 +34,7 @@ class SpecifiedLayout(XLACompatibleLayout):

def __init__(self, layout: xc.Layout):
self._layout = layout
self._layout_str = self._layout.to_string()
self._minor_to_major = self._layout.minor_to_major()
self._layout_str = str(self._layout)

def __repr__(self):
return f'SpecifiedLayout({self._layout_str})'
Expand All @@ -50,6 +50,15 @@ def __eq__(self, other):
def _to_xla_layout(self) -> str:
return self._layout_str

@property
def _minor_to_major(self):
m = re.search("{([0-9,]*):", str(self))
assert m is not None
m2m_str = m.group(1)
if m2m_str == '':
return ()
return tuple(int(x) for x in m2m_str.split(","))


class LayoutRequest:

Expand Down