[XLA:GPU] Issue a warning when autotuning fails with OOM. #21089
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We suggest to disable autotuning correctness checking (i.e. `--xla_gpu_autotune_level=3`) to reduce memory usage. Correctness checking requires holding a reference buffer in memory for the duration of the profiling phase. PiperOrigin-RevId: 712896185
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[XLA:GPU] Issue a warning when autotuning fails with OOM.
We suggest to disable autotuning correctness checking (i.e.
--xla_gpu_autotune_level=3) to reduce memory usage. Correctness checking requires holding a reference buffer in memory for the duration of the profiling phase.