You're not going to see any amazing benefits from changing secondary or tertiary timings, even if you know exactly what you're doing.
You're looking for an easy answer where these is none. I'm just saying.
I see almost 25% more memory performance from tertiary timing adjustments at lower and at higher speeds, depending on the board used. Does it affect overall performance? marginally.
Not all boards use the exact same labels for timings, either, so that complicates things.
As to formulas for memory timings, there is not one for general use. finding out what each IC likes is easy, simply go to the IC OEM's website, download the whitepapers, and decipher the mess inside. It's not really that hard, for me.
Like Samsung DDR3 ICs...when I got them, I read the provided info, and found that there is a relation between CAS Latency, and tWCL. Nobody was talking about tWCL is any way, on any forum I could find. Nothing in extreme sites, nothing in normal sites...so I posted some info in my review on what I found during testing.
Today, you'll find countless mentions of tWCL on extreme forums, looking at efficiency tweaks or pushing a stick higher. Did I point that setting out? Maybe..but probably not. If you took the time to adjust each individual setting, you would have discovered the same just as easy.
theres a couple guys on this site that seem to masters of ram, wonder if theyll chip in.
So...yous wants dat timings guide, eh? Imma goona tell you, it doesn't exist, and that it changes with every platform, too. Intel SNB and IVB like some settings, Haswell, completely different. AMD, yet another set of settings to worry about.
I should start giving courses, with high entry fees.
Dumo is a hidden Guru on this stuff. That guy..his ram...OMG...