453   fi
454 
455   # Finally append user provided options to allow them to override.
456   UTIL_ADD_JVM_ARG_IF_OK([$USER_BOOT_JDK_OPTIONS],boot_jdk_jvmargs,[$JAVA])
457 
458   AC_MSG_RESULT([$boot_jdk_jvmargs])
459 
460   # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
461   JAVA_FLAGS=$boot_jdk_jvmargs
462   AC_SUBST(JAVA_FLAGS)
463 
464   AC_MSG_CHECKING([flags for boot jdk java command for big workloads])
465 
466   # Starting amount of heap memory.
467   UTIL_ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs_big,[$JAVA])
468   BOOTCYCLE_JVM_ARGS_BIG=-Xms64M
469 
470   # Maximum amount of heap memory.
471   JVM_HEAP_LIMIT_32="768"
472   # Running a 64 bit JVM allows for and requires a bigger heap
473   JVM_HEAP_LIMIT_64="1600"
474   JVM_HEAP_LIMIT_GLOBAL=`expr $MEMORY_SIZE / 2`
475   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "$JVM_HEAP_LIMIT_32"; then
476     JVM_HEAP_LIMIT_32=$JVM_HEAP_LIMIT_GLOBAL
477   fi
478   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "$JVM_HEAP_LIMIT_64"; then
479     JVM_HEAP_LIMIT_64=$JVM_HEAP_LIMIT_GLOBAL
480   fi
481   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "512"; then
482     JVM_HEAP_LIMIT_32=512
483     JVM_HEAP_LIMIT_64=512
484   fi
485 
486   if test "x$BOOT_JDK_BITS" = "x32"; then
487     JVM_MAX_HEAP=$JVM_HEAP_LIMIT_32
488   else
489     JVM_MAX_HEAP=$JVM_HEAP_LIMIT_64
490   fi
491   UTIL_ADD_JVM_ARG_IF_OK([-Xmx${JVM_MAX_HEAP}M],boot_jdk_jvmargs_big,[$JAVA])
492 
493   AC_MSG_RESULT([$boot_jdk_jvmargs_big])

453   fi
454 
455   # Finally append user provided options to allow them to override.
456   UTIL_ADD_JVM_ARG_IF_OK([$USER_BOOT_JDK_OPTIONS],boot_jdk_jvmargs,[$JAVA])
457 
458   AC_MSG_RESULT([$boot_jdk_jvmargs])
459 
460   # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
461   JAVA_FLAGS=$boot_jdk_jvmargs
462   AC_SUBST(JAVA_FLAGS)
463 
464   AC_MSG_CHECKING([flags for boot jdk java command for big workloads])
465 
466   # Starting amount of heap memory.
467   UTIL_ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs_big,[$JAVA])
468   BOOTCYCLE_JVM_ARGS_BIG=-Xms64M
469 
470   # Maximum amount of heap memory.
471   JVM_HEAP_LIMIT_32="768"
472   # Running a 64 bit JVM allows for and requires a bigger heap
473   JVM_HEAP_LIMIT_64="3200"
474   JVM_HEAP_LIMIT_GLOBAL=`expr $MEMORY_SIZE / 2`
475   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "$JVM_HEAP_LIMIT_32"; then
476     JVM_HEAP_LIMIT_32=$JVM_HEAP_LIMIT_GLOBAL
477   fi
478   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "$JVM_HEAP_LIMIT_64"; then
479     JVM_HEAP_LIMIT_64=$JVM_HEAP_LIMIT_GLOBAL
480   fi
481   if test "$JVM_HEAP_LIMIT_GLOBAL" -lt "512"; then
482     JVM_HEAP_LIMIT_32=512
483     JVM_HEAP_LIMIT_64=512
484   fi
485 
486   if test "x$BOOT_JDK_BITS" = "x32"; then
487     JVM_MAX_HEAP=$JVM_HEAP_LIMIT_32
488   else
489     JVM_MAX_HEAP=$JVM_HEAP_LIMIT_64
490   fi
491   UTIL_ADD_JVM_ARG_IF_OK([-Xmx${JVM_MAX_HEAP}M],boot_jdk_jvmargs_big,[$JAVA])
492 
493   AC_MSG_RESULT([$boot_jdk_jvmargs_big])