WIP: Compile singleton dynamic clusters statically - #33
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Summary
This draft preserves an experiment for compiling a request with an incoming
[1<dynamic-expression>]dimension using a fully static XLA signature.When triggered, dynamic expressions are replaced by the current literal argument dimensions and constant contents before compilation.
Status
This is kept aside for investigation and is not intended to merge currently. The padded concrete dimensions are already included in the XLA compilation cache key, so a
{1}padding bucket should not be reused for larger dimensions. The specialization may therefore be unnecessary.Verification
//tensorflow/compiler/jit/kernels:xla_ops_no_jit_rewrite_registrationlocally.