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  1. #2701
    Originally Posted by Miss Tiacht View Post
    That is indeed a strange render time because if I remember correctly, my single GTX 1080, 8GB, rendered in about 31 seconds with a Pentium 4 641.
    Depends on the Blender version, tile settings, and which BMW scene are you talking about?
    Why are you still using that Pentium 4 potato?

    Using latest build and 2 low frequency Xeons I got this:

    OS: Ubuntu 16.04
    CPU: 2 Xeon E5 V4 ES @2.2 GHz
    Blender version: latest daily build
    Render time: 00:00:26.07
    Tiles: 8x9

    Screenshot from 2017-08-08 00-15-37.png
    Last edited by cpurender; 07-Aug-17 at 17:25.



  2. #2702
    CPU: AMD 1055T 6core Phenom2 2.8GHz @ 3.5GHz
    GPU: MSI Nvidia GTX 1060 OCV1 6GB
    OS: Windows 10 64bit Pro | Blender 2.78c
    Time: 1 min 24 seconds (GPU - CUDA)
    Time: 7 min 08 seconds (CPU - 6Threads)

    my GFX is running on pcie2.0 x8 cant get it to work on x16, my old mobo is dying i guess :<



  3. #2703
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    CPU: AMD RYZEN 5 1600 [email protected] GHz
    GPU: GIGABYTE GEFORCE GTX 1050TI
    OS: Windows 10 64bit Pro / Blender 2.79 RC
    --Times--------------------
    CPU: 03:01.02
    GPU: 02:05.07
    (rendered with stock speed )



  4. #2704
    CPU: Intel 3770 K
    GPU: GIGABYTE 660 Ti
    OS: LinuxMint 17.3
    Blender 2.78c:
    CPU : 11:16.33
    GPU: 07:00.26
    Blender 2.79RC1:
    CPU: 09:53.14
    GPU: 06:56.86

    Nice optimization for CPU!
    (see https://wiki.blender.org/index.php/D...es/2.79/Cycles)

    Edit 2017-08-14:
    see #2706, the time above were made using the BMW files from blender.org
    Here are the results using the good file (see #1):
    278C:
    CPU 04:18.84
    GPU 02:26.94

    2.79RC1
    CPU 03:45.68
    GPU 02:25.67

    Note: the CPU test is not good for huge processor with threads > 16 (not my case!).


    Edit 2017-08-20:
    2.79RC2
    CPU: 04:11.06
    GPU: 02:25.67
    Last edited by BoFZeVampire; 20-Aug-17 at 01:22.



  5. #2705
    Originally Posted by Hucinus View Post
    CPU: AMD RYZEN 5 1600 [email protected] GHz
    GPU: GIGABYTE GEFORCE GTX 1050TI
    OS: Windows 10 64bit Pro / Blender 2.79 RC
    --Times--------------------
    CPU: 03:01.02
    GPU: 02:05.07
    (rendered with stock speed )
    How many samples? The cpu seems to be a bit slow.
    I can only give suggestions, personal opinions and constructive critique, but it is your decision what you do with it.



  6. #2706
    Member YAFU's Avatar
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    Originally Posted by BoFZeVampire View Post
    CPU: Intel 3770 K
    GPU: GIGABYTE 660 Ti
    OS: LinuxMint 17.3
    Blender 2.78c:
    CPU : 11:16.33
    GPU: 07:00.26
    Blender 2.79RC1:
    CPU: 09:53.14
    GPU: 06:56.86

    Nice optimization for CPU!
    (see https://wiki.blender.org/index.php/D...es/2.79/Cycles)
    Hi.
    Please use the BMW27.blend scene downloaded from the first message of this thread (not the one downloaded from blender.org), and then you edit your message with correct values. In this scene for CPU you use small Tile Size, for example X=32, Y=32
    Last edited by YAFU; 12-Aug-17 at 06:44.
    Be patient, English is not my language.



  7. #2707
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    Hi bigbad ,All the times with default setting of BMW27.blend file .Oops ! I forget to say that I have only 8 gigs of ram (4gbx2).



  8. #2708
    Member AustinC's Avatar
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    Originally Posted by Hucinus View Post
    Hi bigbad ,All the times with default setting of BMW27.blend file .Oops ! I forget to say that I have only 8 gigs of ram (4gbx2).
    Maybe not changing anything is the problem. If your CPU tile size is too large, you will only have a few threads working at the end. It can make a huge difference. Using a tile size of 16x16 for the CPU, you should get ~2:10.


    Originally Posted by YAFU View Post
    @AustinC, To not create confusion, you just mention you are using BMW27.blend scene from this thread. Tile Size is the only thing that is allowed to modify anyway.
    There is already tons of confusion in this thread due to people not mentioning their explicit settings, so I thought it would be helpful to list them. But, for clarity, I edited my post to say that those are the default settings.
    Last edited by AustinC; 13-Aug-17 at 01:44.
    Working on motion graphics and Minecraft animations
    Blender Tutorials YouTube Channel
    ACBlenderTutorials: https://www.youtube.com/channel/UCNn...m3p8mBnzb0Gddw



  9. #2709
    Member Cotaks's Avatar
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    ryzen 5 1600 (stock)
    rx 470
    16GB RAM
    blender 2.78c


    time 3:01.90 (running 9 background programs, ran it 2 times first time: 3:06.30)
    400 samples (what it said when it was almost done rendering)
    16 tiles

    Opened .blend and hit F12, just as you asked to do.
    Last edited by Cotaks; 17-Aug-17 at 21:58.
    '- It's not working' then check your console like: this
    Did you know that you can make a complete game with the .blends that i share?



  10. #2710
    Using file in first post with 256x256 tiles and latest master with an RX VEGA64: 30.8sec



  11. #2711
    Originally Posted by bliblubli View Post
    Using file in first post with 256x256 tiles and latest master with an RX VEGA64: 30.8sec
    That's is exactly twice as fast as my r9 390x.
    I can only give suggestions, personal opinions and constructive critique, but it is your decision what you do with it.



  12. #2712
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    WOW!

    Just downloaded the latest 2.79 build and did some test renders - got the lowest times I have ever seen to date.

    GPU - 980Ti

    480 x 270 = 0:46 (that's almost 25% faster than 2.78c!)

    CPU - Core i7-5930k @ 3.50GHz

    32 x 32 = 2:02 (around 7% faster than 2.78c)



  13. #2713
    Member Pixelgrapher's Avatar
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    Here is a history of render times on my machine running Windows 10 1703.

    CPU i7 6700k @4.6GHz - 240x136
    3:48.00 (2.77a win64)
    2.51.19 (BB 2016/10/19)
    2:30.23 (BB 2016/11/02 win64)
    2:55.01 (2.79 RC1 2017/08/1)
    2.14.17 (ccb8e78 2017/08/13)


    CPU i7 6700k @4.6GHz - 16x16
    3:03.00 (2.77a win64)
    2.23.58 (BB 2016/10/19 win64)
    2:06.21 (BB 2016/11/02 win64)
    2:25.50 (2.79 RC1 2017/08/1)
    1.54.32 (ccb8e78 2017/08/13)


    GPU GTX 1070 (Asus STRIX OC) - 240x136
    1:36.41 (2.77a win64)
    1.01.31 (BB 2016/10/12 win64)
    0:55.83 (BB 2016/11/02 win64)
    0.59.79 (2.79 RC1 2017/08/1)
    0.51.62 (ccb8e78 2017/08/13)


    GPU GTX 1070 (Asus STRIX OC) - 480x540
    0:49.85 (BB 2016/10/12 win64)
    0:45.34 (BB 2016/11/02 win64)
    0.49.58 (2.79 RC1 2017/08/1)
    0:39.49 (ccb8e78 2017/08/13)
    I am the Pixelgrapher, Showing you the world from my eyes.
    Pixelgrapher on Instagram



  14. #2714
    I found the magical tile resolution for my R9 390X

    Code:
    Blender build:    blender-2.79-07ca986-win64
    Code:
    OS:                   Win 10 64bit
    Code:
    Tile size:            320x270
    Code:
    Time:                 01m02s
    I can only give suggestions, personal opinions and constructive critique, but it is your decision what you do with it.



  15. #2715
    Member g60's Avatar
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    CPU: AMD Phenom II X4 945 (16GB ram)
    GPU: Nvidia GTX 1050Ti 4GB
    OS: Debian 4.9.30 x86_64
    Time: 2:08.11 (GPU - CUDA)
    Time: 10:38.64 (CPU)

    Blender 2.78c
    I rarely use tiles this large. On GPU render one core finished much later than the others. I'm going to have to sync the carburetors.



  16. #2716
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    Network Rendering test of BMW benchmark (its pretty quick :) )

    Using crowdrender network rendering addon and the following systems I got:
    CPU Render
    00:35.87 seconds (400 AA samples) and 01:11.99 (1225 AA samples) Interestingly 3 x the samples, but only 2x the render time!

    GPU Render
    00:20.50 seconds (400 AA samples) and 00:53.55 (1225 AA samples) Same again, 3 x the samples, a bit over 2x the render time.

    Eight systems were networked together in all, Systems were;
    1 x i7-5930K @ 3.5 GHz with 32GB RAM with 1 x GTX980 (4GB GDDR5) + 1 K5200 (8GB DDR5)
    5 x i7-4770K @ 3.5 GHz with 32GB RAM with 1 x GTX770 (4GB GDDR5)
    1 x dual CPU - XEON E5-2620 v3 @ 2.4 GHz with 256GB RAM with 1 x GTX980Ti
    2 x dual CPU - XEON E5-2650 @ 2.00 GHz with 64GB RAM with 1 x GTX670

    Interestingly enough for the fastest time posted for 400 samples, 18 seconds was spent on tasks like Buiding, packing BVH nodes, leaving a mere 2 seconds on actual rendering.

    But I guess we're reporting the actual render time as reported in the UI. It might be a better measure of actual rendering power to use more samples since in cases like this, most of the time recorded is the build up to rendering, and, it remains constant for different amounts of samples. Its a static overhead no matter how many samples you want to render. Plus this happens mainly on the CPU so it doesn't really show what the capabilities of the GPU are when 18 out of the 20 seconds of the render happened on the CPU! XD



  17. #2717
    We're making hardware comparisons to aid purchase decisions. Although the times you posted are impressive, the times for individual machines would be more meaningful.

    You're right about the file being less relevant than it could be.



  18. #2718
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    Sure, here are some times for one of the machines, probably the most powerful of the group

    Using both GPUS I got 55 seconds
    Using just the CPU I got 2 minutes 17 seconds
    Using just the GTX980 I got 1 min 29 seconds
    Using just the K5200 I got 1 min 55 seconds

    CPU GPUs RAM GPU RAM
    i7-5930K @ 3.5 GHz 1 x GTX980 + 1 x QUADRO K5200 32GB 8GB + 4GB

    Not sure what you meant about the file though?

    J

    Originally Posted by organic View Post
    We're making hardware comparisons to aid purchase decisions. Although the times you posted are impressive, the times for individual machines would be more meaningful.

    You're right about the file being less relevant than it could be.



  19. #2719


    Using the 1200 sample scene from blender.org
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  20. #2720
    VEGA64
    2.78c
    BMW27
    480x270 00.55.82
    480*540 00.48.30
    960x540 00.44.44
    320x540 00.52.43
    960x540 moast efficient
    2.79
    BMW27
    960x540 00.48.37
    2.80
    BMW27
    960x540 00.37.46



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