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Pull Request resolved: https://github.com/pytorch/pytorch/pull/78563 The profiler assembles a call hierarchy by replaying recorded events. There is an assert to ensure that the events form a well structured tree; however many of the inputs are from external sources and small differences (e.g. recording time in a lower precision) leads to traces which violate that assumption. For now this is acceptable; the post processing can handle resolving these descrepencies. As a result, I am relaxing the assert to only test event types where we expect the framework to be able to enforce these strong structural requirements. Differential Revision: [D36787787](https://our.internmc.facebook.com/intern/diff/D36787787/) Approved by: https://github.com/suo