https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61121
Jim Michaels <jmichae3 at yahoo dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |UNCONFIRMED Resolution|INVALID |--- --- Comment #5 from Jim Michaels <jmichae3 at yahoo dot com> --- I am on windows. @var(n) means nothing on my platform please describe it in the documentation. I just tested mingw-w64 with the value 0 and with the value 12, and both give me 1-threaded code. yes, I included -O2 so, since "n" is not allowable, I am recommending the value 0 for auto or max or max-1.