only warn about argument sizes on Nvidia GPUs #1732

Job	Run time
Ruff	5s
Typos	3s
Documentation	1m 23s
Tests for downstream project loopy	4m 17s
Examples	2m 33s
Tests for downstream project boxtree	9m 32s
Tests for downstream project meshmode	9m 46s
Mypy	1m 22s
Pylint	1m 59s
Pytest Linux POCL	3m 20s
Pytest Linux Intel CL	2m 0s
Pytest Mac POCL	3m 15s
Pytest Windows Intel CL	3m 49s
	43m 24s

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