[XLA:Python] Allow multiple partitions to correspond to a single executable.
[XLA:Python] Allow multiple partitions to correspond to a single executable.

XLA SPMD partitioning only produces a single executable, rather than one per partition.

PiperOrigin-RevId: 292646667
Change-Id: I810c80578bbd9fe7e785aa4798a849ecaba8db30

tensorflow/tensorflow,aam-at/tensorflow,Intel-tensorflow/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,yongtang/tensorflow,yongtang/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,aldian/tensorflow,davidzchen/tensorflow,karllessard/tensorflow,renyi533/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-experimental_link_static_libraries_once,cxxgtxy/tensorflow,Intel-tensorflow/tensorflow,renyi533/tensorflow,aam-at/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,jhseu/tensorflow,gunan/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,gautam1858/tensorflow,cxxgtxy/tensorflow,tensorflow/tensorflow,aam-at/tensorflow,petewarden/tensorflow,cxxgtxy/tensorflow,xzturn/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,frreiss/tensorflow-fred,annarev/tensorflow,aldian/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,sarvex/tensorflow,Intel-Corporation/tensorflow,davidzchen/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,renyi533/tensorflow,Intel-Corporation/tensorflow,aldian/tensorflow,paolodedios/tensorflow,aldian/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,annarev/tensorflow,tensorflow/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,xzturn/tensorflow,gautam1858/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,petewarden/tensorflow,aldian/tensorflow,gunan/tensorflow,cxxgtxy/tensorflow,davidzchen/tensorflow,xzturn/tensorflow,tensorflow/tensorflow,gunan/tensorflow,annarev/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,cxxgtxy/tensorflow,renyi533/tensorflow,aldian/tensorflow,gunan/tensorflow,gautam1858/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,Intel-tensorflow/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,jhseu/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,petewarden/tensorflow,renyi533/tensorflow,paolodedios/tensorflow,aam-at/tensorflow,annarev/tensorflow,sarvex/tensorflow,sarvex/tensorflow,cxxgtxy/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,jhseu/tensorflow,aam-at/tensorflow,yongtang/tensorflow,renyi533/tensorflow,petewarden/tensorflow,xzturn/tensorflow,yongtang/tensorflow,annarev/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,jhseu/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,davidzchen/tensorflow,yongtang/tensorflow,Intel-tensorflow/tensorflow,gunan/tensorflow,yongtang/tensorflow,sarvex/tensorflow,karllessard/tensorflow,renyi533/tensorflow,tensorflow/tensorflow-pywrap_saved_model,aldian/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,aam-at/tensorflow,tensorflow/tensorflow,gunan/tensorflow,sarvex/tensorflow,petewarden/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_saved_model,freedomtan/tensorflow,davidzchen/tensorflow,freedomtan/tensorflow,davidzchen/tensorflow,Intel-tensorflow/tensorflow,gunan/tensorflow,petewarden/tensorflow,paolodedios/tensorflow,sarvex/tensorflow,aldian/tensorflow,renyi533/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,gautam1858/tensorflow,yongtang/tensorflow,renyi533/tensorflow,xzturn/tensorflow,petewarden/tensorflow,yongtang/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,yongtang/tensorflow,tensorflow/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,Intel-Corporation/tensorflow,gautam1858/tensorflow,freedomtan/tensorflow,frreiss/tensorflow-fred,frreiss/tensorflow-fred,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,paolodedios/tensorflow,jhseu/tensorflow,Intel-Corporation/tensorflow,gautam1858/tensorflow,paolodedios/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,tensorflow/tensorflow-pywrap_saved_model,karllessard/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,freedomtan/tensorflow,aam-at/tenso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