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  1. #1
    Player
    QooEr's Avatar
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    Oct 2016
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    Character
    Qoo Er
    World
    Sargatanas
    Main Class
    Astrologian Lv 90
    Quote Originally Posted by Sighearth View Post
    some math
    did you see the excel spreadsheet? dps is never linear, and neither whm or scholar have rotations that reset at the same time. scholars rotation resets every 360 seconds and white mage's every 600 seconds. therefore in order to be fair one must get the average pps for scholar and white mage individually, from their own rotation. not only youre neglecting the existence of prescence of mind, but your analysis of gcds doesnt even account for spell speed.


    white mage's potency per minute is not 6635 at 0 spell speed. it's 7092 (and thats not even counting cleric stance)
    your numbers are also tilted because scholar gets 3 extra energy drains at the beginning of the fight

    its also not as simple as how you put it for strategem. youre calculating it as if crit chance was 0 on every party member and strategem suddenly brought crits into the equation. an increase of 3.3 vs 0 is going to be way more impactful than an increase of 0.165 vs 0.1705. not only that, but youre disregarding the fact that critical hit rate (the stat) also affects how strong crits hit.

    since we are approaching the beginning of the expansion, i used data from the beginning of heavensward. quoting myself,
    After looking at gordias fflogs and 3.1 bis stats, and with help from some of dervy’s formulas, the average crit chance back then was approximately 0.165 and average crit damage around 1.565. The formula for the impact of critical hits on dps is crit chance * crit damage + 1 - crit chance, which means crits increased rdps by 1.093225 during early patches.
    With this info, we can calculate stratagems average rdps impact.
    Stratagem increases the chance to crit on the boss by 20%, for 15 seconds, every 90 seconds. Therefore, average crit chance increases by (15*1.2+75)/90 as fights approach to infinity. Stratagem affects rdps as follows.
    (15*1.2+75)/90 * crit chance * crit damage + 1 - (15*1.2+75)/90 * crit chance
    Substitute variables and we get
    (15*1.2+75)/90 * 0.165 * 1.565 + 1 - (15*1.2+75)/90 * 0.165 = 1.0963325 rdps increase by crits
    Substract that to the increase without stratagem and we get a difference of 0.31075% rdps.
    Of course, stratagem’s effectiveness will increase as we get more crit to stack. Current values for crits tend to be around 22.38% crit chance and 1.62 for crit damage, which would make stratagem a 0.46% rdps increase for the later patches of stormblood. (i am assuming stratagem is multiplicative since its a debuff on the boss and not a buff on party members.)
    (1)

  2. 06-11-2017 01:02 AM
    Reason
    forum error

  3. #3
    Player
    Sighearth's Avatar
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    Mar 2014
    Location
    Limsa Lominsa
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    184
    Character
    Axel Walker
    World
    Gilgamesh
    Main Class
    Arcanist Lv 100
    Quote Originally Posted by QooEr View Post
    Math
    I assumed 3 Energy drains only not 6, so you have aetherflow off cd every minute from start. As someone mentioned before I forgot to add aero 2 ( I thought aero 3 would replace it). Yes I do not count for Presence of mind as I'm not counting for buffed gcds from other pt member that would make the potency bonus for crits higher. The metric I used for comparison was the most potency one healer can do in a minute.

    For the crit chance I assumed the extra chance coming from the chain stratagem does not require your crit chance because will just add up to that ( even if its 0). Of course its speculation until the release if that skill will be multiplicative or additive. After the first minutes into the fight your dps will not increase but only decrease until your rotation resets, then you will have the scenario as the beginning of the fight ( with everything off cd) since this is the peak or opener of both healers, the rotation reset in different times but a reset will not surpass this opener.

    If we take the reset in consideration as you said 360 s for SCH and 600 s for WHM , SCH will reach its peak more times than WHM, while WHM will reach a little bit higher with less frequency. Assuming your value of 7092 potency/rotation (600 s) vs 6635 potency/rotation (360) we have 1.6 SCH rotation for every 1 WHM rotation. That 0.6 extra rotation leads up to 3981 potency every (360 s) and the difference of both peaks is 457 potency for the WHM every (600 s)
    (0)

  4. #4
    Player
    QooEr's Avatar
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    Qoo Er
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    Sargatanas
    Main Class
    Astrologian Lv 90
    Quote Originally Posted by Sighearth View Post
    stuff
    I went back to the spreadsheet and noticed some mistakes on my part. (i forgot to multiply scholars rotation for the 10 mins times 600/360, but i also had strategem calculated wrongly on scholar and also unfairly didnt give crits to whm) I corrected the spreadsheet and white mage still outdpsed scholar and strategem. maybe not so drastically anymore, but it still does.

    whm dps > sch dps + strategem rdps impact
    1.0588 * (0.0737 rdps) > (0.0737 rdps) + (0.0031075 rdps)
    0.07803356 rdps > 0.0768075 rdps
    (1)

  5. #5
    Player
    LegoTechnic's Avatar
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    Nov 2015
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    431
    Character
    Seolla Viltara
    World
    Jenova
    Main Class
    Scholar Lv 80
    Quote Originally Posted by QooEr View Post
    I went back to the spreadsheet and noticed some mistakes on my part. (i forgot to multiply scholars rotation for the 10 mins times 600/360, but i also had strategem calculated wrongly on scholar and also unfairly didnt give crits to whm) I corrected the spreadsheet and white mage still outdpsed scholar and strategem. maybe not so drastically anymore, but it still does.

    whm dps > sch dps + strategem rdps impact
    1.0588 * (0.0737 rdps) > (0.0737 rdps) + (0.0031075 rdps)
    0.07803356 rdps > 0.0768075 rdps
    What formula are you using for your crit rate and what values for BiS gear set? 16.8% is low for a BiS set (my personal gear values give me 20.8%).

    In your spreadsheet, Shadow Flare should be used an additional time for five total rather than four. If your cycle duration for SCH is 365 seconds then it should be used at least 6 times for once a minute, with the 6th application being ignored due to being placed at the end of the cycle and unable to tick.

    Finally is it your point that a WHM will do more single target DPS than a SCH in SB? Because you don't really need a spreadsheet for that given both their primary DoT and their direct damage spell are higher potency than SCH's equivalents, so the comparison is really whether or not Shadowflare and Energy Drain can make up for the damage done by Assize plus the boost from Presence of Mind and whatever the leftover damage deficit may be. Also, the primary benefit of Chain Strategem isn't to boost the SCH's personal DPS, but that of the entire raid. Narrowing it down to solo encounters is a little disingenuous for its purpose.
    (0)
    Last edited by LegoTechnic; 06-11-2017 at 04:20 PM.

  6. #6
    Player
    QooEr's Avatar
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    Oct 2016
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    Qoo Er
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    Sargatanas
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    Astrologian Lv 90
    Quote Originally Posted by LegoTechnic View Post
    What formula are you using for your crit rate and what values for BiS gear set? 16.8% is low for a BiS set (my personal gear values give me 20.8%).

    In your spreadsheet, Shadow Flare should be used an additional time for five total rather than four. If your cycle duration for SCH is 365 seconds then it should be used at least 6 times for once a minute, with the 6th application being ignored due to being placed at the end of the cycle and unable to tick.

    Finally is it your point that a WHM will do more single target DPS than a SCH in SB? Because you don't really need a spreadsheet for that given both their primary DoT and their direct damage spell are higher potency than SCH's equivalents, so the comparison is really whether or not Shadowflare and Energy Drain can make up for the damage done by Assize plus the boost from Presence of Mind and whatever the leftover damage deficit may be. Also, the primary benefit of Chain Strategem isn't to boost the SCH's personal DPS, but that of the entire raid. Narrowing it down to solo encounters is a little disingenuous for its purpose.
    you can be able to cast another shadow flare, but since its a dot with no initial potency it would do 0 damage. also shadow glare is going to be on a 90 second cooldown, which makes 360/90=4 times to use shadow flare. which means i actually shouldve counted for THREE shadow flares and not 4

    my point was Not to show that it just did more damage. my point was that whm did enough more damage to compensate for not having stratagem. i compared the raid dps impact of stratagem + scholar's personal dps and compared it to white mage's personal dps. which is why i did whm dps > sch dps + stratagem rdps impact.

    i looked at gordias gear. since we are going to the beginning of the expac i used stats from the beginning of the expac. most bis had about 800-900 crit, so i picked 850. the formula i used was dervy's ((CRIT-354)/(858*5))+0.05 for crit chance and ((CRIT-354)/(858*5))+1.45 for crit damage
    at the end of the paragraph tho, i did include what the rate would be at 1100 crit.

    Of course, stratagem’s effectiveness will increase as we get more crit to stack. Current values for crits tend to be around 22.38% crit chance and 1.62 for crit damage, which would make stratagem a 0.46% rdps increase for the later patches of stormblood.

    if you want to do the math with that, we get
    1.0588 * (0.0737 ) > (0.0737 ) + (0.0046 )
    0.07803356 > 0.0783
    which is not true anymore, hence why i said during the early tiers of savage.
    (0)

  7. #7
    Player
    Furious's Avatar
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    Aug 2013
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    334
    Character
    Furious Laughter
    World
    Ravana
    Main Class
    Gladiator Lv 90
    You've worked out the relative value of the classes without weighting for impact of cooldown stacking, which stratagem gains significantly from and WHM average over time does not (atleast, not remotely to the same degree).

    It's possible that the amount of dps that comes from the window in which the cooldown is used could be anything upward of 50% more valuable (it could be twice or thrice that, for all I know - most of the terms are multiplicative with each other) compared with any other period of time in a given log, especially in the first usage of a fight when all classes' cooldowns are active. On the other hand, your math for WHM assumes an average over time that has no variable that will be significantly altered by such multiplicative value increases. As a general indicator, compare peak damage vs. average damage from a given fight to see what kind of relative value a cooldown might have vs. when its effect is averaged over the whole period.

    I don't do top end raiding in FFXIV so I don't know which fights are good indicators, but you mentioned gordias 3.1 savage, so I went to fflogs and looked at the top entry on gordias faust for 3.1. In that case, the peak damage for that raid was 30k, with the fight average on a 1.15 fight being 11k. So, even on an extremely short fight of 1:15 mins (just 5x the cooldown in question), peak damage was 3x average damage for the raid for the fight. The longer the fight, the lower the average damage and higher the peak damage will be relatively. The same seems to be true in every fight to a degree; the initial damage burst peaks at ~3x the average damage for the fight, with a second peak damage around 2x later on.

    Ergo: If your numbers are close when using average values for the impact of stratagem without weighting for cooldown stacking, then they are actually very, very far from close in reality on fights where raids can stack cooldowns.

    So, to apply a very simple napkin math; if we assign a weighting of "cooldown time" vs. non-cooldown time of 2:1, which is definitely low on short fights and possibly high on long fights, we would increase strategem's relative input from 1/6 to 2/7 (it is up 1/6 of the time, with a relative weighting of 2 for every 1 unit of non-buffed time). 2/7 - 1/6 = ~12% more valuable than currently assigned.
    (0)
    Last edited by Furious; 06-13-2017 at 07:19 AM.