src/share/vm/runtime/vm_version.cpp

rev 11623 : [mq]: fix-initial-active-processor-count

*** 293,303 ****
      // for large numbers of worker threads.  Instead of
      // hogging the whole system, use a fraction of the workers for every
      // processor after the first 8.  For example, on a 72 cpu machine
      // and a chosen fraction of 5/8
      // use 8 + (72 - 8) * (5/8) == 48 worker threads.
!     unsigned int ncpus = (unsigned int) os::active_processor_count();
      threads = (ncpus <= switch_pt) ?
               ncpus :
               (switch_pt + ((ncpus - switch_pt) * num) / den);
  #ifndef _LP64
      // On 32-bit binaries the virtual address space available to the JVM
--- 293,303 ----
      // for large numbers of worker threads.  Instead of
      // hogging the whole system, use a fraction of the workers for every
      // processor after the first 8.  For example, on a 72 cpu machine
      // and a chosen fraction of 5/8
      // use 8 + (72 - 8) * (5/8) == 48 worker threads.
!     unsigned int ncpus = (unsigned int) os::initial_active_processor_count();
      threads = (ncpus <= switch_pt) ?
               ncpus :
               (switch_pt + ((ncpus - switch_pt) * num) / den);
  #ifndef _LP64
      // On 32-bit binaries the virtual address space available to the JVM