[export] Relax the check that exported modules are used with same number of devices as when exported #21280
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…ber of devices as when exported Now we allow a module exported for 1 device and not using any sharding annotations to be called from a computation that uses multiple devices. Such exported modules can be parallelized trivially point-wise.
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Now we allow a module exported for 1 device and not using any sharding annotations to be called from a computation that uses multiple devices. Such exported modules can be parallelized trivially point-wise.
This is an attempt to re-land #21203 after internal test failures.