src/share/vm/runtime/arguments.cpp

*** 3191,3202 ****
        // was arrived at by experimenting with specjbb.
        FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K);  // Note: this is in words
  
        // Enable parallel GC and adaptive generation sizing
        FLAG_SET_CMDLINE(bool, UseParallelGC, true);
-       FLAG_SET_DEFAULT(ParallelGCThreads,
-                        Abstract_VM_Version::parallel_worker_threads());
  
        // Encourage steady state memory management
        FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100);
  
        // This appears to improve mutator locality
--- 3191,3200 ----