I think our quasiquote is too slow, here's an algorithm to test it. 1. quasiquote version: https://gist.github.com/3148984 2. use list append to instead https://gist.github.com/3148977
The input value is 6000. v1 cost ~50s for me. v2 ~16s. But quasiquote is more elegant I think. Regards.
