nim -v Compiled at 2020-06-23 git hash: c3459c7b14 With `nim c -d:danger --panics:on --gc:arc`: Maximum resident set size (kbytes): 395352 Average resident set size (kbytes): 0 Major (requiring I/O) page faults: 0 Minor (reclaiming a frame) page faults: 99524 Voluntary context switches: 1 Involuntary context switches: 20
With `nim c -d:danger --panics:on` (default gc) Maximum resident set size (kbytes): 282964 Average resident set size (kbytes): 0 Major (requiring I/O) page faults: 0 Minor (reclaiming a frame) page faults: 70471 Voluntary context switches: 1 Involuntary context switches: 10 Both tests are with a main function and it makes no difference.