Originally Posted by Vespasian
I used increments of 10 Hit/10 crit either way to arrive at my results. I did not alter the EP ranges because, tbh, I have never been interested in EP values; only in actual DPS benefit.
I too found the results interesting, but the divergent EP/DPS result is not unheard of. It happens quite frequently in the sim, especially in the case of haste where higher EP values for haste can often result in DPS losses when applied in even the smallest of increments.
As I said, I cannot properly interpret these results and I think more work needs to be done in trying to understand them. Perhaps the sim is failing or perhaps there is something else that is elevating the value of hit above what we are otherwise use to.
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I did some looking into this and here are my results:
First order of business:
Is there a quirk in EP simming that does not bear out in normal simming?
Testing Method:
1. I simmed and verified I was getting the same results as Mjoed with his config (accurate to within 3-4DPS).
2. In order to test the addition of hit and crit I activated the BS socket on the gloves in RAWR and socketed a 20hit/crit gem (this is pure stat addition and avoids possible rounding errors, human errors and talent interaction errors that can appear when modifying the EnhSim config directly).
3. I then did 3x 20k hour sims for hit and 3x 20k hour sims for crit and recorded the data.
4. I then removed the BS socket in RAWR and simmed to ensure I arrived back at the results in 1.
5. I then did 3x 20k hour sims with EP steps of 20 for hit and crit. All other EP calculations were turned off (to save time). I recorded this data.
Results:
The DPS values bore out using the standard simulation matched the DPS values seen with EP simulation to within 1-2DPS. There appears to be no difference between standard simulation and EP simulation. The crit having higher EP was probably just the regular variance you see while simming (more on that in the next section).
Second order of business:
How do crit and hit sim at top end gear levels?
Testing Method:
1. Based on the results from the first trial, I felt comfortable using the EP simulation test to parallelize the hit and crit calculations. I'm less concerned with the EP values here and more concerned with the DPS values so ignore the EP values for now.
2. I set the crit and hit step size to 20 and ran 3x 20k hour EP simulations and here are the results:

EP value DPS total DPS difference
baseline 9445.06
ap 1.00 0.74 9594.05 148.99
crit rating 1.77 1.32 9471.37 26.31
hit rating 1.79 1.34 9471.79 26.73
expertise rating 0.00 0.00 0.00 -9445.06
haste rating 0.00 0.00 0.00 -9445.06
armor penetration rating 0.00 0.00 0.00 -9445.06
spellpower 0.00 0.00 0.00 -9445.06
mh dps 0.00 0.00 0.00 -9445.06
oh dps 0.00 0.00 0.00 -9445.06
strength 1.10
agility 1.69
intelligence* 1.39
spirit 0.00 0.00 0.00 -9445.06
mana 0.00 0.00 0.00 -9445.06
mp5 0.00 0.00 0.00 -9445.06
EP value DPS total DPS difference
baseline 9445.19
ap 1.00 0.74 9593.28 148.10
crit rating 1.83 1.36 9472.31 27.13
hit rating 1.81 1.34 9472.04 26.85
expertise rating 0.00 0.00 0.00 -9445.19
haste rating 0.00 0.00 0.00 -9445.19
armor penetration rating 0.00 0.00 0.00 -9445.19
spellpower 0.00 0.00 0.00 -9445.19
mh dps 0.00 0.00 0.00 -9445.19
oh dps 0.00 0.00 0.00 -9445.19
strength 1.10
agility 1.71
intelligence* 1.40
spirit 0.00 0.00 0.00 -9445.19
mana 0.00 0.00 0.00 -9445.19
mp5 0.00 0.00 0.00 -9445.19
EP value DPS total DPS difference
baseline 9445.03
ap 1.00 0.74 9593.53 148.51
crit rating 1.92 1.43 9473.54 28.52
hit rating 1.79 1.33 9471.66 26.63
expertise rating 0.00 0.00 0.00 -9445.03
haste rating 0.00 0.00 0.00 -9445.03
armor penetration rating 0.00 0.00 0.00 -9445.03
spellpower 0.00 0.00 0.00 -9445.03
mh dps 0.00 0.00 0.00 -9445.03
oh dps 0.00 0.00 0.00 -9445.03
strength 1.10
agility 1.75
intelligence* 1.41
spirit 0.00 0.00 0.00 -9445.03
mana 0.00 0.00 0.00 -9445.03
mp5 0.00 0.00 0.00 -9445.03
3. To test more drastic changes I simmed 50hit and 50crit steps (2.5-3 gems worth). I didn't want to go much higher because of the hit breakpoint that was mentioned earlier. These were the results:

EP value DPS total DPS difference
baseline 9445.26
ap 1.00 0.74 9593.86 148.60
crit rating 1.88 1.40 9515.28 70.02
hit rating 1.81 1.35 9512.61 67.35
expertise rating 0.00 0.00 0.00 -9445.26
haste rating 0.00 0.00 0.00 -9445.26
armor penetration rating 0.00 0.00 0.00 -9445.26
spellpower 0.00 0.00 0.00 -9445.26
mh dps 0.00 0.00 0.00 -9445.26
oh dps 0.00 0.00 0.00 -9445.26
strength 1.10
agility 1.73
intelligence* 1.41
spirit 0.00 0.00 0.00 -9445.26
mana 0.00 0.00 0.00 -9445.26
mp5 0.00 0.00 0.00 -9445.26
EP value DPS total DPS difference
baseline 9444.99
ap 1.00 0.75 9594.02 149.04
crit rating 1.90 1.42 9515.81 70.83
hit rating 1.85 1.38 9513.76 68.77
expertise rating 0.00 0.00 0.00 -9444.99
haste rating 0.00 0.00 0.00 -9444.99
armor penetration rating 0.00 0.00 0.00 -9444.99
spellpower 0.00 0.00 0.00 -9444.99
mh dps 0.00 0.00 0.00 -9444.99
oh dps 0.00 0.00 0.00 -9444.99
strength 1.10
agility 1.74
intelligence* 1.41
spirit 0.00 0.00 0.00 -9444.99
mana 0.00 0.00 0.00 -9444.99
mp5 0.00 0.00 0.00 -9444.99
EnhSim version 1.8.3.2
EP value DPS total DPS difference
baseline 9445.46
ap 1.00 0.74 9593.87 148.41
crit rating 1.86 1.38 9514.61 69.15
hit rating 1.83 1.36 9513.46 68.00
expertise rating 0.00 0.00 0.00 -9445.46
haste rating 0.00 0.00 0.00 -9445.46
armor penetration rating 0.00 0.00 0.00 -9445.46
spellpower 0.00 0.00 0.00 -9445.46
mh dps 0.00 0.00 0.00 -9445.46
oh dps 0.00 0.00 0.00 -9445.46
strength 1.10
agility 1.73
intelligence* 1.40
spirit 0.00 0.00 0.00 -9445.46
mana 0.00 0.00 0.00 -9445.46
mp5 0.00 0.00 0.00 -9445.46
Overall Results:
Hit and crit scale roughly equally. Note this line:
crit rating 1.92 1.43 9473.54 28.52
hit rating 1.79 1.33 9471.66 26.63
Notice that crit spiked up 1DPS and hit dropped down 1 DPS? This 2DPS difference resulted in a 0.13 EP difference between hit and crit. These kind of fluctuations are normal for a simulation and would likely account for the 0.2 EP difference you're seeing. This should further reinforce a) The need for lengthly simulations and b) The need to sim actual gear sets rather than relying on EP (ie. what we're doing in this thread).
As for why this is happening there are a number of potential factors:
1) GCDs to be used for additional MW procs have opened up with the loss of 4pT8.
2) More hits mean more SS procs (especially with the 2pT9)
3) High amounts of ArP on coliseum gear makes white hits more valuable.
Regardless of why, the bottom line is that hit is as valuable as crit at our current top gear levels.
TLDR:
1) There is no bug with EP simming. It is indiscernible from regular simming.
2) Crit and hit are virtually identical at our current top gear levels. Both are still consistently worse than AP.