Windows devs rerolled old code to save precious bytes

Microsoft's latest Windows update might or might not have improved performance for the company's flagship operating system, but there was a time when its engineers cared about performance. Veteran Microsoft engineer Raymond Chen on Monday hearked back to that time by telling another war story from the glory days of Windows, when a team was working on an x86-32 emulator for an unnamed processor (though it isn't particularly difficult to identify potential candidates).