This is on .net core 7.0.5, Debian 11, Server GC (which is expected by Hopac). I removed all GC code and ran it as an executable using @compumike's `ps ax -o pid,rss,args' command. I think the only one that triggered a GC was the execution with 10M concurrent jobs.

    N           Real(s)    User(s)  RSS(kiB)  RSS(MiB)
    ==================================================
          1       10.08      00.04     42660        41
       1000       10.07      00.06     40736        39
      10000       10.09      00.20     44176        43
     100000       10.15      01.85     58532        57
    1000000       10.88      18.18    182024       177
   10000000       22.28    4m04.84   1452224      1418