[torchao float8tensor] #5066

Job	Run time
pytester (ubuntu-22.04, 3.10, latest, core)	12m 12s
pytester (ubuntu-22.04, 3.10, latest, ops)	14m 40s
pytester (ubuntu-22.04, 3.10, nightly, core)	12m 17s
pytester (ubuntu-22.04, 3.10, nightly, ops)	14m 41s
pytester (macOS-14, 3.10, latest, core)	10m 10s
pytester (macOS-14, 3.10, latest, ops)	14m 44s
pytester (macOS-14, 3.10, nightly, core)	9m 9s
pytester (macOS-14, 3.10, nightly, ops)	14m 44s
pytester (windows-2022, 3.10, latest, core)	14m 40s
pytester (windows-2022, 3.10, nightly, core)	14m 40s
pytester (ubuntu-22.04, 3.11, latest)	14m 39s
pytester (ubuntu-22.04, 3.12, latest)	14m 42s
testing-guardian	1m 14s
	2h 42m 32s

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