latency has 100us？

[qiji2023]

Queue	Submit	<--->	Start	Complete	End	Diff
96606369888300	96606369893300	109140	96606370002440	96606406652760	96606406652760	-460
96606369891900	96606406652300	106080	96606406758380	96606444330270	96606444330270	130
96606369892900	96606444330400	104650	96606444435050	96606482888990	96606482888990	4810
96606369893900	96606482893800	111170	96606483004970	96606521316380	96606521316380	-1880
96606369894600	96606521314500	103250	96606521417750	96606559753400	96606559753400

I tested a program， many kernels on same command queue，start - submit has 100us？ I think the result is very ridiculous！！！！

[qiji2023]

Have developers been fired？

[jlgreathouse]

No reproducer, description of test scenario, or version information.