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Jei'son Bladesmith
The Storm Knights
The Cool Kids Club
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Posted - 2008.05.31 18:53:00 -
[1]
So the ways to calculate Perfect ME and material wastage has been done to death, but does anyone have the latest formulas to calculate Perfect PE/time wastage (I have a spreadsheet to track BPOs and calculate stuffs and I want to update it) - incidently most people I've asked have just pointed me to sites that will tell you the figures, which is cool and handy, but I need the actual formulas for the spreadsheet
kplznthnxbai!
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Victor Valka
Kissaki Corporation
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Posted - 2008.05.31 21:52:00 -
[2]
Time Wastage Factor = Base Time Wastage Factor / (1 + PL)
 Originally by: Roxanna Kell
You are insane.
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Kazuo Ishiguro
House of Marbles
Zzz
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Posted - 2008.06.01 08:15:00 -
[3]
The base time wastage factor is 20%.
My research services
Mineral compression for carrier/Rorqual pilots |
Jei'son Bladesmith
The Storm Knights
The Cool Kids Club
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Posted - 2008.06.01 19:35:00 -
[4]
Ok that takes care of wastage factor, anybody have the formula for Perfect PE itself? is it the same as ME (probly with build time substituted for highest material)? In which case the question becomes is build time in minutes, seconds, etc.
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Pwett
QUANT Corp.
QUANT Hegemony
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Posted - 2008.06.01 19:41:00 -
[5]
Perfect PE is effectively unattainable on any of the blueprints :)
The difference between a PE of 39 and a PE of 5,000 is a factor of something not worth it  .
_______________
Pwett
CEO, Founder, & Executor
<Q> QUANT Hegemony
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Jei'son Bladesmith
The Storm Knights
The Cool Kids Club
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Posted - 2008.06.01 22:08:00 -
[6]
Meh i dont plan on training my wrath BPO to ME 5,039 to make perfect BPCs either but i still like knowin what it would be
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Kazuo Ishiguro
House of Marbles
Zzz
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Posted - 2008.06.01 22:55:00 -
[7]
With PE research, you very quickly get to the point where after a few levels it would take weeks of constant production to accumulate time savings equal to the time spent on each successive level of research - and you're still nowhere near perfect, i.e. the point where no further research will have any effect.
If you want to build as many units as possible within a finite fixed timeframe, starting from an unresearched BPO, there will be an optimal level of PE research. Define the following:
b = base time to build the item (before any PE research)
r = time to do one level of research
t = time in which you want to produce as many units as possible
p = level of PE research
Then the # of runs you get at the end of your fixed period t is given by
(t-rp)/(b(1-0.2p/(1+p))
Differentiating with respect to p and setting the result to zero gives the following solution (b drops out):
p(optimal) = [-5+sqrt(5+4t/r)]/4
So, for example, if you wanted to produce as many ravens as possible in one year, the optimal PE level is {-5+sqrt(5+4*365*24*3600/[(4*24+4)*3600]}/4 = 3.46
In this case, it turns out that you get roughly the same number of ravens per year with PE 3 or 4, so you might as well pick 3 and start producing sooner.
Of course if someone else then buys the BPO from you and produce from it for a further year, it's in their interests to do a bit more research, up to a point.
My research services
Mineral compression for carrier/Rorqual pilots |
Kazuo Ishiguro
House of Marbles
Zzz
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Posted - 2008.06.01 23:06:00 -
[8]
You can go a bit further, if PE research is expensive, and try optimising profit instead of units produced, by introducing v = profit per item and k = cost per level of research. Then you get a slightly different solution:
p(optimal) = -[25vr+20kb-sqrt(125v^2*r^2+100vrkb+100v^2rt+80kbvt)]/(20vr+16kb)
This is almost always going to be the same as the expression above, though, as the cost of research is so low.
My research services
Mineral compression for carrier/Rorqual pilots |
Becki
Draconis Cooperation
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Posted - 2008.06.02 00:16:00 -
[9]
Edited by: Becki on 02/06/2008 00:19:49
Well Calculating PE and Build Time isint that easy,
Calculating Perfect Time efficency actualy IS easy.
Formula for perfect PE lvl is:
Perfect Buildtime (Industry 5) in seconds /2= Perfect PE
*Base Build Time*0,8=Perfect Build Time*
*Even with lower Industry skill, Perfect PE remains the same*
If you dont belive it, grab a tool like MLcalc or Blueprint profit calculator or eve meep and Test it.
Example:
Scourge Heavy Missile - Perfect Base time is 240 sec, Perfect PE is @ 120
Revelation - Perfect Base time is 1.024.000 sec,
Perfect PE is @ 512.000
@ Perfect PE you save 20% Build Time (Time Waste)
Scourge HM 240*0,8 = 192 sec (3m12sec)
*save between PE 12 and 120 is 4 seconds per run*
*research time (POS) 12h, 30min vs. 5d,15h,0m*
Revelation 1.024.000*0,8 = 819.200 (9d,11h,33m,20s)
*save between PE 51 and 512.000 is 1h,5m,38s per run*
*research time (POS) 3.060 days vs. 30.720.000 days*
So you see perfect PE for a Revelation is 512.000. Tough it takes you about 31 millon days days at a POS Lab to research that, and you save compared to PE 51 about 1 hour.... Got the Point ?^^
So unless you have a high output BPO (ammo... or Batteships for some Pilots ^^) your best done with a PE between 1 (saves half of the 20% Time waste) or 20 (saves 19% Timewaste), where the latter one is already overkill for a lot of stuff.
Here a little chart i found:
*i am currently unsure how to calculate Timewaste for every lvl of PE myself*
PE 1 - 10%
PE 2 - 13.33%
PE 3 - 15%
PE 4 - 16%
PE 5 - 16.67%
PE 7 - 17.5%
PE 9 - 18%
PE10 - 18.18%
PE20 - 19%
PE39 - 19.5%
PE79 - 19.75%
PE199 - 19.9%
PE999 - 19.98%
Again like with ME you might be done earlyer cuz for example you saved at PE 120 (remember the Scourge HM?) already teh last saveable second (like the last Tritanium on ME)
I hope that helps, btw i someone has a formula to calculate that last chart PM me or post it here^^
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Artmedis Valben
Lobster of Babel
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Posted - 2008.06.03 06:33:00 -
[10]
PE 250,000 is the perfect PE.
not a single second wasted on a 30 day job. 
Selling: PERFECT PRINTS
+ RESEARCH |
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