Hello, I'm using 2 RX 580 GPUs

When I use -clKernel 0
The hash rate moves up & down, most of time it is showing 64 MH/s, sometimes go down to 58 MH/s
The average 5 min. is just above 58 MH/s

When I use -clKernel 1
The hash rate is more stable, most of the time is 60 MH/s sometimes go down to 59.7 or so
The average 5 min. is about 59.8

With kernel 0, looking at it, the average appears to be over 62 MH/s
What I must believe the 5min. average or what I see on the screen?
Could the average 5 min. with kernel 0 be wrong?

& why just after starting miner it tell me the 5 min. average when I have been only mining for 1 min. or even less?

Thank you.

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