I found out during profiling to speed up things that magento has his own unserialize lib. But i wander why... It is a lot slower (up to 500 times) than the native unserialize function in php.
I am thinking of replacing Mage_Core_Helper_UnserializeArray->unserialize() with the native one to snoop roughly 150 ms from my request. But it is such a core thing that i'm a bit hesitant about it. What do you guys think about this?
