Let vs Set NVSE test

set iterationsperframe to 1000
set global >> 1000.00
startquest 03000ea6
0	58.62	60.68	60.24
set iterationsperframe to 2000
set global >> 2000.00
startquest 03000ea6
0	46.21	60.39	59.67
set iterationsperframe to 3000
set global >> 3000.00
startquest 03000ea6
0	40.32	58.69	61.35
set iterationsperframe to 4000
set global >> 4000.00
startquest 03000ea6
0	40.29	51.65	63.45
set iterationsperframe to 5000
set global >> 5000.00
startquest 03000ea6
0	40.42	45.41	62.66