#sdy Fallback to GSPMD in JAX export if the loaded module was lowered for GSPMD. #29033
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#sdy Fallback to GSPMD in JAX export if the loaded module was lowered for GSPMD.
The final module that will be created by JAX export will contain a bit of Shardy and GSPMD ops. What we then do during compilation is detect whether there is a mix of these ops. If there is, we override the build option and instead use GSPMD for propagation (we have well tested code to export Shardy->GSPMD, but not vice versa).