A slightly more recent benchmark: http://www.yesodweb.com/blog/2011/03/preliminary-warp-cross-language-benchmarks http://www.yesodweb.com/blog/2011/03/prelimin

A slightly more recent benchmark: http://www.yesodweb.com/blog/2011/03/preliminary-warp-cross-language-benchmarks http://www.yesodweb.com/blog/2011/03/preliminary-warp-cross-... Also includes Yesod and Warp.