Error running concurrent process and storing results in array

[data pulverizer]

On Wednesday, 6 May 2020 at 04:52:30 UTC, data pulverizer wrote:
> myData is referencing elements [5..10] of data and not creating 
> a new array with elements data[5..10] copied?

Just checked this and can confirm that the data is not being 
copied so that is not the source of cpu idling: 
https://ddili.org/ders/d.en/slices.html