no clue what algo are you talking about

edit: as far as i can tell there are only 2 gpu miners available for cryptonight algo, and only 1 is opensource
the opensource one is a branch of ccminer (nvidia only) https://github.com/tsiv/ccminer-cryptonight
the other is closed source, 5% donate, windows only, ati version https://bitcointalk.org/index.php?topic=638915.0
more info on cryptonight gpu miner status https://bitcointalk.org/index.php?topic=656841.0