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  1. #11
    Join Date
    Oct 2007
    Location
    Madison, WI
    Posts
    4,788

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    We received a 4K monitor for testing, but haven't been able to duplicate the issue so far. Our Mac developer is running 10.11 on his primary system due to limitations of a development tool he uses. It's possible the performance issue only happens in 10.12 and 10.13 so we'll have to do further testing.
    Chris K Scooter Software

  2. #12
    Join Date
    Oct 2007
    Location
    Madison, WI
    Posts
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    callion82,

    You said your Mac Pro 2013 has a 4K and 1080p monitor (vertical). Is the performance issue better if you move BC's window to the 1080p monitor instead of the 4K monitor, or do both displays have equally bad performance for BC?
    Chris K Scooter Software

  3. #13
    Join Date
    Oct 2007
    Location
    Madison, WI
    Posts
    2,530

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    We've now tested with two systems, using a 4K and a 1080p display, on High Sierra and Mountain Lion, and the performance looks fine. It's a little more sluggish than I'd like, but that's not new, and it doesn't appear to have gotten worse recently. Part of it is that macOS isn't the lead platform, so there are some inefficiencies compared to the Windows version or a macOS-only app, and part of it is that we're using some outdated technologies. We're working on replacing those, but it's a big project and it's going to take significant time to complete.

    Were you using BC previously on the same computer without the slowdown?

    We are interested in hearing from anyone who's experiencing this to see how widespread it is. One person sent us a YouTube video showing the problem, and any sort of screen captured video like that would be very useful.
    ZoŽ P Scooter Software

  4. #14
    Join Date
    May 2016
    Posts
    3

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    Sadly, I can confirm the issue. BC4 is deadly slow (unusable) in the window comparing folders trees.

    As other users, I have a multimonitors (4) with 4K:
    - internal MBP TB 15 2016
    - 1 4K
    - 1 FHD
    - 1 HD

    Not sure, but it looks like this is related to 4.2.4.

    The issue is mainly when using BC4 on the external 4k display, when moving the window on the MBP screen. Things are getting better.

    How can I revert back to 4.2.3 ?

    Thanks,

  5. #15
    Join Date
    Oct 2007
    Location
    Madison, WI
    Posts
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    Hello,

    Email us at support@scootersoftware.com along with a link back to this forum thread explaining your issue. We can troubleshoot further and also send you an older release.
    Aaron P Scooter Software

  6. #16
    Join Date
    Jan 2011
    Posts
    15

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    I find window scrolling to be painfully slow (especially in text comparison windows.) I've been using Beyond Compare on the Mac since it came out (and on Windows for years before that) and only recently came to feel that scrolling is no longer a zippy as it used to be.

  7. #17
    Join Date
    Jan 2011
    Posts
    15

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    and inline editing of text files is not excruciatingly slow. I'm running BC4 Version 4.2.4 (build 22795) on macOS Sierra 10.12.6 (16G1314)

  8. #18
    Join Date
    Oct 2007
    Location
    Madison, WI
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    Thanks for the report. We have had a couple in this thread, but haven't narrowed down the exact causes yet. What hardware configuration are you running? What resolution are you running at; if you decrease it do you see a performance increase?
    Aaron P Scooter Software

  9. #19
    Join Date
    Jan 2011
    Posts
    15

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    I've tried disconnecting all external monitors and resetting the built-in retina display to its default resolution. After doing that I also tried quitting a restarting BC4. Nothing helped.

    To answer your questions:
    * MacBook Pro (Retina, 15-inch, Early 2013)
    * 2.4 GHz Intel Core i7
    * 16 GB 1600 MHz DDR3
    * macOS Sierra Version 10.12.6 (16G1314)
    * Darwin C02KQ12UFFT3.local 16.7.0 Darwin Kernel Version 16.7.0: Tue Jan 30 11:27:06 PST 2018; root:xnu-3789.73.11~1/RELEASE_X86_64 x86_64
    * Intel HD Graphics 4000:
    ** Chipset Model: Intel HD Graphics 4000
    ** Type: GPU
    ** Bus: Built-In
    ** VRAM (Dynamic, Max): 1536 MB
    ** Vendor: Intel (0x8086)
    ** Device ID: 0x0166
    ** Revision ID: 0x0009
    ** Automatic Graphics Switching: Supported
    ** gMux Version: 3.2.19 [3.2.8]
    ** Metal: Supported
    * NVIDIA GeForce GT 650M:
    ** Chipset Model: NVIDIA GeForce GT 650M
    ** Type: GPU
    ** Bus: PCIe
    ** PCIe Lane Width: x8
    ** VRAM (Total): 1024 MB
    ** Vendor: NVIDIA (0x10de)
    ** Device ID: 0x0fd5
    ** Revision ID: 0x00a2
    ** ROM Revision: 3688
    ** Automatic Graphics Switching: Supported
    ** gMux Version: 3.2.19 [3.2.8]
    ** Metal: Supported
    ** Displays:
    *** Color LCD:
    **** Display Type: Built-In Retina LCD
    **** Resolution: 2880 x 1800 Retina
    **** Pixel Depth: 32-Bit Color (ARGB8888)
    **** Main Display: Yes
    **** Mirror: Off
    **** Online: Yes
    **** Rotation: Supported
    **** Automatically Adjust Brightness: No
    **** Connection Type: DisplayPort
    *** ASUS PB287Q:
    **** Resolution: 2560 x 1440 @ 59 Hz
    **** Pixel Depth: 32-Bit Color (ARGB8888)
    **** Mirror: Off
    **** Online: Yes
    **** Rotation: Supported
    **** Automatically Adjust Brightness: No
    **** Connection Type: DisplayPort
    *** ASUS PB278:
    **** Resolution: 2560 x 1440 @ 59 Hz
    **** Pixel Depth: 32-Bit Color (ARGB8888)
    **** Display Serial Number: F5LMTF050160
    **** Mirror: Off
    **** Online: Yes
    **** Rotation: Supported
    **** Automatically Adjust Brightness: No
    **** Connection Type: DisplayPort
    Last edited by slessard; 22-May-2018 at 12:26 PM.

  10. #20
    Join Date
    Oct 2007
    Location
    Madison, WI
    Posts
    12,005

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    First, back up your settings using the Tools menu -> Export wizard and export everything as a BCSettings.bcpkg. Then try Tools menu -> Restore to Factory Defaults. Fully reboot your machine, and then restart BC4 with a simple text comparison by loading BC4 first, loading a blank text compare, and then loading a pair of plain .txt files into the compare. How does this behave? We can then re-work in your previous workflow or settings a few at a time to try and find the offending culprit.
    Aaron P Scooter Software

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