Identify laggy mods in a pack? (Slow startup times, fps lag, chunk gen lag)

[ajthemacboy]

Hey guys. I'm working on a private modpack for some friends. I've made many packs before and I've never had such slow startup times.

 

How can I identify which mods are causing startup lag? On average it's about 2/3 minutes.

 

Can I use OPIS?

 

Here is a list of mods if you happen to know if one of them is laggy:   http://pastebin.com/fWectJef

 

Also, here is my startup log:   http://pastebin.com/Rmcmwfpa

 

Nothing about the startup is really 'slow', there are no errors spanning hundreds of lines, for example. Things just move 'slowly'; things just seem to load slowly.

 

I would expect startup times like this from a pack like ultra modded survival, not from my 75 mod pack that doesn't even have tech mods.

 

Thanks,

 

AJ