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

Inputs

Outputs

function [i, b] = ram_total(backend)
arguments
  backend (1,:) string = ["java", "dotnet", "python", "sys"]
end

i = uint64.empty;

for b = backend
  switch b
    case 'dotnet'
      i = stdlib.dotnet.ram_total();
    case 'java'
      i = stdlib.java.ram_total();
    case 'python'
      if stdlib.matlabOlderThan('R2022a'), continue, end
      i = stdlib.python.ram_total();
    case 'sys'
      i = stdlib.sys.ram_total();
    otherwise
      error("stdlib:ram_total:ValueError", "Unknown backend: %s", b)
  end

  if ~isempty(i)
    return
  end
end

end

Published with MATLAB® R2025a