if (verbose >= 3) { VM.sysWrite("                     "); MemoryResource.showUsage(PAGES); }
  private final void baseGlobalPrepare(double start) {    gcInProgress = true;    Statistics.gcCount++;    gcStartTime = start;    if (verbose == 1) {      VM.sysWrite("[GC ", Statistics.gcCount);      VM.sysWrite(" Start ", (gcStartTime - bootTime), " s");      VM.sysWrite("   ", Conversions.pagesToBytes(Plan.getPagesUsed())>>10, " KB ");    }    if (verbose >= 2) {      VM.sysWrite("Collection ", Statistics.gcCount);      VM.sysWrite(":      reserved = ", Plan.getPagesReserved());      VM.sysWrite(" (", Conversions.pagesToBytes(Plan.getPagesReserved()) / ( 1 << 20), " Mb) ");      VM.sysWrite("      trigger = ", getTotalPages());      VM.sysWrite(" (", Conversions.pagesToBytes(getTotalPages()) / ( 1 << 20));       VM.sysWriteln(" Mb) ");      VM.sysWrite("  Before Collection: ");      MemoryResource.showUsage(PAGES);      VM.sysWrite("                     ");      MemoryResource.showUsage(MB);    }    globalPrepare();    VM_Interface.resetComputeAllRoots();  }