go-hep/hepmc — pull request #1 by sbinet (2014-10-21 13:31:29+00:00)
Title: decoder: use a fmt.Fscanf-free scheme to decode.

old:
BenchmarkDecode 5000 569385 ns/op

new:
BenchmarkDecode 10000 105921 ns/op

benchmark old ns/op new ns/op delta
BenchmarkDecode 569385 104167 -81.71%