64-bit quad core data set Which programs are fast? Which are succinct? Which are efficient? Ada C Chapel Clojure C# C++ Dart Erlang F# Fortran Go Hack Haskell Java JavaScript Lisp Lua OCaml Pascal Perl PHP Python Racket Ruby JRuby Rust Scala Smalltalk Swift TypeScript We want easy answers, but easy answers are often incomplete or wrong. You and I know, there's more we should understand: stories details fast? conclusions { for researchers }