Alex Crichton 53c0dcf17a Don't offset the number of rayon workers by 1
If we pass rayon 0 workers it still spawns 1, so both 1 and 2 threads
were actually spawning one thread each. Let's remove the off-by-one so
1 and 2 cores should show a significant difference.
2019-10-01 18:10:18 -07:00
..