Fix TRT-LLM Multigpu Compatibility #2837
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[Wip] What does this PR do?
We need to use Composer to run our evaluation framework on TRT-LLM models. Unfortunately, this breaks in the Multi-GPU case. These fixes allow Composer to run N copies in parallel and feed data in a way that works with multi-gpu TRT-LLM models. Essentially, these changes are (a) not initializing dist and (b) fixing some race conditions related to data loading.
TODO: