So I finally got enough EP to get Lay Waste on my fighter, and I took some measurements (thanks xfire!). I used a lootgen greataxe because that's what my TWFer happened to have on hand. My character was a level 22 fighter with no alacrity.
Auto-attack control: 164 attacks in 2 minutes 0.12 seconds = 81.9 animations per minute.
(This is slightly lower than Vanshilar's tested 86.5 apm for 0 alacrity. My computer is not very good and I was recording video, so this makes sense.)
Next I attacked in this order of priority:
1. Lay Waste
2. Momentum Swing
3. Great Cleave
4. Cleave
5. regular attacks
So if at any point LW went off timer, my next move was to hit LW. If LW was on timer but not MS, MS. And so on. If other people have different attack schemes, I'm all ears.
Over 5 minutes 2 seconds, I recorded...
28 Lay Wastes
59 Momentum Swings
49 Great Cleaves
48 Cleaves
68 first attack animations
47 second attack animations
37 third attack animations
12 fourth attack animations
The first surprising thing is that this works out to only 69.1 apm, 84.4% of the control rate. This stands in stark contrast to the Cleave Twitching scheme used in the glory days of Supreme Cleave.
The second surprising thing is that I got a lot of Lay Wastes considering MS is only supposed to have a 25% chance to reset the duration. Has anyone rigorously tested the reset chance for MS on LW?
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We can now compare DPS between the two styles with a few givens...
-Epic Antique Greataxe (2*1d20 + 6, 19-20 x3 base, Force Burst)
-Pure barb (+3 multiplier on 19-20, 6d6 damage on all glancing blows)
-GTHF (combined with above a total of 60% damage and 20% magical on glances, glances on the first, third, and fourth regular attacks)
-Total base damage of 113 (shamelessly copied from A_O's spreadsheet, includes EAG base damage)
-Seeker of 10, Ravager set (again copied from the spreadsheet, Ravager has 100% proc rate on glances)
-No sneak attack (because I don't know how it works on cleaves and because it's a small relative effect anyway)
-No haste, haste boost, etc. (because I don't know how it works with Cleave Cleaving)
...and our attacks...
-Lay Waste gives +5W and +1 multiplier.
-Momentum Swing gives +5W and +3 range.
-Great Cleave gives +2W.
-Cleave gives +1W.
-All of the above have 100% glance rate.
-Attacks 1, 3, and 4 have 100% glance rate, attack 2 has 0%.
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So per each attack, we have:
base + glance + vicious/ravager + seeker + force + burst
This works out to 368 single target DPS against 0 fort with auto-attack. Please note: this is not a "haha barbs have lousy DPS" thread. We're just trying to see how much of an improvement Cleave Cleaving gives in a particular set of circumstances. Shockingly, it only works out to 376 single target DPS against 0 fort with Cleave Cleaving.Code:Per LW: (113+5*10.5)*(17+2*7)/20 +0.6*(113+5*10.5)*19/20 +28*19/20*2 +2*7*10/20 +19/20*3.5*1.2 +2*11/20 = 416.15 damage Per MS: (113+5*10.5)*(14+2*6+3*3)/20 +0.6*(113+5*10.5)*19/20 +28*19/20*2 +2*6*10/20+3*3*10/20 +19/20*3.5*1.2 +5*11/20 = 454.4 damage Per GC: (113+2*10.5)*(17+2*6)/20 +0.6*(113+2*10.5)*19/20 +28*19/20*2 +2*6*10/20 +19/20*3.5*1.2 +2*11/20 = 334.97 damage Per C: (113+1*10.5)*(17+2*6)/20 +0.6*(113+1*10.5)*19/20 +28*19/20*2 +2*6*10/20 +19/20*3.5*1.2 +2*11/20 = 313.76 damage Per 1st, 3rd, or 4th attack: (113)*(17+2*6)/20 +0.6*(113)*19/20 +28*19/20*2 +2*6*10/20 +19/20*3.5*1.2 +2*11/20 = 292.55 damage Per 2nd attack: (113)*(17+2*6)/20 +28*19/20 +2*6*10/20 +19/20*3.5 +2*11/20 = 200.875 damage
If instead of 113 and 10 we try leaving them as variables, we end up with...
Autoattack: 70 + 2.563 * base + 0.819 * seeker
Cleave Cleaving: 108 + 2.307 * base + 0.789 * seeker
The various +Ws give C-C a hefty head start, but the various +crits aren't enough to match the speed advantage autoattacking enjoys when it comes to damage per base. If we threw in the huge increases in base (and for that matter Seeker) that we saw in MotU, autoattacking is more damage than spamming these attacks. If we throw in the Devastating and Overwhelming Criticals, the gaps increase in favor of autoattacking: from (.256 and .030) to (.298 and .073) respectively.
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The only possible saving grace I can see for C-C is if it gets more out of alacrity increases, but I'm reasonably sure that's not going to work. I don't have the precision testing ability Vanshilar does so I can't go frame by frame, but I'm reasonably sure that all the tactical attacks are flat times: don't get slower or faster. This suggests that autoattack will get even further ahead in the more realistic case of Haste and Haste Boost.
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tl;dr: While spamming Cleaves/MS/LW is certainly a way to increase AoE damage, for top end builds/gearsets it looks like it reduces single target damage.