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[b11] WebGL build takes irrationally long time (not always)

Discussion in '5.5 Beta' started by supron, Nov 21, 2016.

  1. supron

    supron

    Joined:
    Aug 24, 2013
    Posts:
    67
    It didn't happen in older betas (b5 was the last beta I tested before b11). It occurs even in simple one script project where build takes about 5 minutes (usually 1-2 minutes with unity5.4). With large script heavy project it takes about 10-20 minutes with b11 and 3-4 minutes with 5.4. Sometimes it works correctly and large project takes about 4 minutes like it should. I found that Windows 10 anti-malware process takes 10-20% CPU while building project. Maybe this is the reason, but why it works with 5.4? I have rather good PC setup (i7-6700, 16gb ddr4, SSD) + I tested it on another PC and I got the same results (some builds are much slower than others).

    Is that something you are aware of, or it's just my problem? I would like to know if it's known bug, or something with my projects/PC.
     
    supron, Nov 21, 2016
    #1

  2. LeonhardP

    LeonhardP

    Unity Technologies

    Joined:
    Jul 4, 2016
    Posts:
    3,136
    Hi supron,
    Thanks for reporting this! Could you please file a bug report with a minimal reproduction case and reply in this thread with the case #?
     
    LeonhardP, Nov 22, 2016
    #2

  3. supron

    supron

    Joined:
    Aug 24, 2013
    Posts:
    67
    I did further investigation. I removed Library folder, and everything seems to be normal right now (in both small and large projects). Actually I can't reproduce it right now, because it works. Maybe its something related to upgrading project to b11.

    Anyway, it looks like I'm the only one who had this problem, and I found simple solution. Thank you for your interest and do not worry about this issue.
     
    supron, Nov 23, 2016
    #3

  4. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

    Joined:
    Jul 25, 2013
    Posts:
    10,675
    In the past, I've found two things to really help with IL2CPP build time:

    1. Exclude project and target build directories from windows defender;
    2. Have project and target build directories on an SSD.

    These aren't small improvements either - each of them dramatically improves build time.
     
    Tautvydas-Zilys, Nov 23, 2016
    #4

  5. supron

    supron

    Joined:
    Aug 24, 2013
    Posts:
    67
    Wow, this is really helpful. I can not believe how much this improved built times. You should definitely include this advice somewhere in documentation/help.
     
    supron, Nov 23, 2016
    #5

  6. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

    Joined:
    Jul 25, 2013
    Posts:
    10,675
    Will do.
     
    Tautvydas-Zilys, Nov 23, 2016
    #6