Simple tensor -> pure tensor #894

Job	Run time
macos (macos-12) / macos-job	1m 19s
linux (linux.12xlarge, cpu) / linux-job	41s
linux (linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	50s
macos (macos-m1-12) / macos-job	1m 19s
windows (windows.4xlarge, cpu) / windows-job	3m 17s
windows (windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job	10m 6s
	17m 32s

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