1. Post #1
    Gold Member
    mitterdoo's Avatar
    June 2009
    611 Posts
    Hi.
    I got MW3 on Friday, and it was 14 gigs. I freaked out and I knew how the download EFT (estimated finish time) is very inaccurate. So, I came up with a little formula on finding out how long it COULD take.

    1. Find the average KB/S or MB/S of the download speed
    2. If the average is in KB/S, divide 1024 by the average
    3. Take the quotient and have the number and the tenths place and the hundredths place. (i.e. quotient=5.2895634, new quotient = 5.28)
    4. Take the size of the download and subtract how much of the game you've DL'ed so far
    5. Take that number and divide it by the new quotient.
    6. Take the quotient of that operation in step 5 and divide it by 60

    For example,

    My game was 62% finished downloading, and I wanted to find out how long it'd take to download from that point.
    The average is 177.5 kb/s
    The quotient of 1024/177.5 is 5.77
    Size of game=14,089 MB
    Progress=8832 MB
    14089
    -8832
    5257

    5257/5.77=911 seconds
    911/60=15 minutes

    Hope this helps a bit!
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  2. Post #2
    Gold Member
    YWNJack's Avatar
    October 2007
    1,744 Posts
    Must...resist....meme...

    (User was banned for this post ("Shitpost" - Orkel))
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  3. Post #3
    OFFICIAL DEAN of MAX PAYNE
    Dennab
    July 2009
    9,002 Posts
    Somebody go code a program that does all this so I don't have to use my brain.
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  4. Post #4
    Koenigsegg's Avatar
    October 2011
    1,281 Posts
    Theres a reason the download ETA constantly changes, its because your download speed constantly changes, most download programs already have a version of a similar equation that runs all the time.
    Latency mostly stays the same after a while, so you really dont need to go this far to get a good idea of the ETA. I'll admit its a good equation but this is kind of useless, like reinventing the wheel. Your method would probably be just as wrong as the regular ETA.
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  5. Post #5
    Sample's Avatar
    November 2006
    65 Posts
    This is one of those times where I should have listened to my teacher on how Algebra is useful for life.
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  6. Post #6
    Gold Member
    KingKombat's Avatar
    April 2009
    11,518 Posts
    i usually do it by tv episodes

    for example, downloading crysis would most likely take up about half a season of the office

    works well
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  7. Post #7
    i-am-teh-sex's Avatar
    November 2009
    3,660 Posts
    Why couldnt you just divide the seconds by 60?

  8. Post #8
    Gold Member
    mitterdoo's Avatar
    June 2009
    611 Posts
    Why couldnt you just divide the seconds by 60?
    On it
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  9. Post #9
    Rad McCool's Avatar
    August 2009
    3,883 Posts
    TLDR:

    Take the file size.
    Divide by the average download speed.

    Done!

    Not only is this method much simpler, but it also actually gives you the right time.
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  10. Post #10
    Gold Member
    Ultraleet's Avatar
    November 2005
    480 Posts
    Uh, if you have ~5 gigs left and you're only downloading at 177kb/s, that's roughly 8 hours to download.

    5.0 Gb = 5000.0 Mb = 5000000.0 Kb

    5000000 / 177 = 28248 / 60 = 470 / 60 = 7.84 Hours

    Your formula makes no sense at all. You've literally just increased your download speed from 177Kb/s to 5.77Mb/s out of no where. Divide your remaining 5257Mb by 0.177Mb to get the actual time in seconds.
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  11. Post #11
    Gold Member
    ThisIsTheOne's Avatar
    July 2011
    656 Posts
    I didn't know it was possible not to know this.

    I think you managed to fuck it up:

    1. Find the average KB/S or MB/S of the download speed
    2. If the average is in KB/S, divide 1024 by the average

    The average is 177.5 kb/s
    The quotient of 1024/177.5 is 5.77
    It should be the inverse of what you did, why would you divide 1024 by the average? It should be the average divided by 1024, what you're doing means the higher the average is in kb/s, the smaller the average is in mb/s. For example, you're saying that 0.00001KB/s = 102400000 MB/s.
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  12. Post #12
    I got my title for $1
    HendoV2's Avatar
    June 2010
    2,354 Posts
    or just look at what steam is telling you for the remaining time...
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  13. Post #13
    Moderator
    Jaanus's Avatar
    March 2006
    4,149 Posts
    this is funny as fuck
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  14. Post #14
    wow ok
    Teh Zip File's Avatar
    December 2007
    16,444 Posts
    Somebody go code a program that does all this so I don't have to use my brain.
    Mblunk made a program for this a looooooooooong time ago.

    http://www.mediafire.com/?3oajthyh4je8q8l

    Incredibly useful.
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  15. Post #15
    OFFICIAL DEAN of MAX PAYNE
    Dennab
    July 2009
    9,002 Posts
    i usually do it by tv episodes

    for example, downloading crysis would most likely take up about half a season of the office

    works well
    Which one? UK or US?
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  16. Post #16
    My friend bought me this title because its incredibly annoying.
    aaro1450's Avatar
    February 2010
    861 Posts
    i usually do it by tv episodes

    for example, downloading crysis would most likely take up about half a season of the office

    works well
    I do this but it depends on what tv show im currently watching. For example I am currently going through Smallville.

  17. Post #17
    Collin665's Avatar
    January 2008
    2,339 Posts
    Most programs either simply do:

    (totalSize - downloadedSize) / currentSpeed

    Some will do a moving average for the speed that averages the last 10 to 20 seconds or so. To do that it basically records your download speed every second, records it to an array, and does this:


    SMA is simple moving average.
    But instead of 'today' and 'yesterday' its more like 'this second' and 'last second'. Pm is one of the values from the array You're subtracting out the oldest value and adding in the newest value, but you have to divide since its an average with n values in it. Obviously it also removes the old value (Pm-n) from the array so the array doesn't turn gigantic, its also easier to keep track that way.
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  18. Post #18
    CJF
    PieClock's Avatar
    August 2006
    16,429 Posts
    I'd just enter something like this in wolfram alpha and half the answer in a few seconds instead of downloading programs and hurting my brain with maths.
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  19. Post #19
    Gold Member
    sp00ks's Avatar
    January 2008
    12,067 Posts
    i wish i was good enough at maths to understand this
    this is extremely complex
    do you have a maths degree?
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  20. Post #20
    Sourcegamer8's Avatar
    June 2008
    4,666 Posts
    i wish i was good enough at maths to understand this
    this is extremely complex
    do you have a maths degree?
    Did you fail Maths by any chance?
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  21. Post #21
    Ordigenius's Avatar
    January 2011
    1,169 Posts
    Must...resist....meme...
    I think you failed

  22. Post #22
    Collin665's Avatar
    January 2008
    2,339 Posts
    i wish i was good enough at maths to understand this
    this is extremely complex
    do you have a maths degree?
    He probably is a doctor of maths. He invented the 'average' and the 'ratio'.
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  23. Post #23
    $1 TITLE!
    Skellyhell's Avatar
    December 2007
    3,749 Posts
    I just look at the part that says "Estimated Time Remaining" and go by that.
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  24. Post #24
    MyBigBoner.com
    fritzel's Avatar
    March 2009
    4,700 Posts
    How much time will it take to sort out 64 tower of hanoi disks onto another rod, Einstein ?

  25. Post #25
    Zyx
    Guest 3855 is lost and can't find the park exit
    Zyx's Avatar
    February 2005
    2,838 Posts
    How much time will it take to sort out 64 tower of hanoi disks onto another rod, Einstein ?
    1.8*10^19 disk moves.
    Let's say one move takes 1 sec.
    1.8*10^19 sec = 548 billion years.
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  26. Post #26
    Gold Member
    tratzzz's Avatar
    March 2010
    7,310 Posts
    I just look at the part that says "Estimated Time Remaining" and go by that.
    I just wait.

    The ETA changes so much. My connection speed is also changing a lot because if my sister starts watching videos in YT, it will be slower.

  27. Post #27
    Gold Member
    D3TBS's Avatar
    March 2011
    8,735 Posts
    By the time you're done with calculating how long your download is still gonna take, you'll have to do it again, and then again and again and again and again
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  28. Post #28
    Gold Member
    Robber's Avatar
    January 2006
    6,196 Posts
    Is this a troll thread or is OP mentally challenged?
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  29. Post #29
    OnDemand's Avatar
    August 2009
    1,046 Posts
    Is this a troll thread or is OP mentally challenged?
    Either that or he is a genius who meticulously deciphered the method used in internet explorer 6.0 to calculate download speeds.
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  30. Post #30
    Speedfalcon's Avatar
    December 2009
    1,122 Posts
    snip.

  31. Post #31
    JohnnyOnFlame's Avatar
    February 2011
    2,233 Posts
    Threads like this one are the reason why I've joined facepunch.
    Lik dis if you lhaght errytim
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  32. Post #32
    MyBigBoner.com
    fritzel's Avatar
    March 2009
    4,700 Posts
    Threads like this one are the reason why I've joined facepunch.
    Lik dis if you lhaght errytim
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  33. Post #33
    Fight until death, shoot until empty.

    November 2009
    15,862 Posts
    How about we just look at the ETA that it gives us.

  34. Post #34
    Gold Member
    Jasun's Avatar
    June 2009
    3,474 Posts
    How about we just look at the ETA that it gives us.
    Because as soon as you look your download speed comes tumbling down, especially on Steam :(
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  35. Post #35
    IT WAS ONLY $1 SO WHY NOT BUY A TITLE?
    Tukimoshi's Avatar
    March 2007
    3,102 Posts
    I love these posts for ideas that already exist. "Guys, I've created a formula to determine how fast your car is going
    based on the distance between 2 trees beside the road and..."

  36. Post #36
    Gold Member
    Murkrow's Avatar
    April 2005
    4,897 Posts
    Are you the guy who coded Windows copy dialogue
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  37. Post #37
    Abused by Girlfriend
    geogzm's Avatar
    January 2010
    19,760 Posts
    here's mine

    open download
    look at download speed

    dont steal my forumla pls
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  38. Post #38
    Gold Member
    Satane's Avatar
    March 2007
    3,704 Posts
    5.0 Gb = 5000.0 Mb = 5000000.0 Kb
    this cant be right
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  39. Post #39
    Gold Member
    johnT447's Avatar
    July 2005
    884 Posts
    OP is a mathematical genius.
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  40. Post #40
    Fight until death, shoot until empty.

    November 2009
    15,862 Posts
    this cant be right
    its not.
    1024Mb = 1Gb
    5Gb = 5120Mb
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