Fix GRPO profiling #2522
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Fix GRPO profiling #2522
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchtune/2522
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What are the changes made in this PR?
So it turns out that the GRPO recipe had an annoying memory leak because I messed up the profiling. The profiler kept running and recording stats, in some cases eventually running out of CPU memory. This fixes it, properly halting the recording of CUDA memory history.