RAM_TOTAL get total physical RAM

get total physical RAM across operating systems https://docs.oracle.com/en/java/javase/21/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html#getTotalPhysicalMemorySize()

Contents

Outputs

Outputs

bytes: total physical RAM [bytes]

function bytes = ram_total()
b = java.lang.management.ManagementFactory.getOperatingSystemMXBean();

if stdlib.java_api() < 14
  bytes = b.getTotalPhysicalMemorySize();
else
  bytes = b.getTotalMemorySize();
end

% https://docs.oracle.com/en/java/javase/21/docs/api/jdk.management/com/sun/management/OperatingSystemMXBean.html#getTotalMemorySize()

end