julia

390503eb - set default blas num threads to Sys.CPU_THREADS / 2 (#45412)

set default blas num threads to Sys.CPU_THREADS / 2 (#45412) Set default blas num threads to Sys.CPU_THREADS / 2 in absence of OPENBLAS_NUM_THREADS Co-authored-by: SamuraiAku <61489439+SamuraiAku@users.noreply.github.com>