On the road to Civil Rights, even children became public figures, such as six-year-old Ruby Bridges, who integrated an all-white elementary school in New Orleans on November 14, 1960. Four years later ...

Originally designed as a server for Rubinius, Puma also works well with Ruby (MRI) and JRuby. On MRI, there is a Global VM Lock (GVL) that ensures only one thread can run Ruby code at a time. But if ...