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Re: 3D Viewer "Render current view using Raytracing" is ludicrously slow

 

I can confirm.  I tried to get a different compiler up and running for it, but in the end just recoded the progress dialog using STL.


> On 28 Feb 2018, at 11:38, Bernhard Stegmaier <stegmaier@xxxxxxxxxxxxx> wrote:
> 
> To best of my knowledge and last investigations OpenMP is (unfortunately) not available with the stock Xcode clang.
> 
> 
> Regards,
> Bernhard
> 
>> On 28. Feb 2018, at 12:21, Nick Østergaard <oe.nick@xxxxxxxxx <mailto:oe.nick@xxxxxxxxx>> wrote:
>> 
>> OpenMP does not seem to be enabled on the current macos nightlies. I am not sure what to install to get that working. Also, it would be nice if it could get into the version info.
>> 
>> 2018-02-28 11:20 GMT+01:00 Mário Luzeiro <mrluzeiro@xxxxx <mailto:mrluzeiro@xxxxx>>:
>> Hi Andy,
>> 
>> This most probably sounds to me as "it is working as expected".
>> Raytracing rendering method is consider to be an "offline rendering" (means, it will take a lot and you can go offline for a coffee and back after a while)
>> 
>> However for simple scenes I am not expecting such a long time.
>> Depending on the options I may expect just a few seconds for some scenes.
>> 
>> My guesses, for developers to investigate are:
>> - Make sure KiCad on MacOS is build with OpenMP enabled and it is working. This is very important to make rendering to work in parallel.
>> - Since Macs have that "Retina" thing.. could that be the screen resolution is actually 4x (? I dont know how it works..) what it is displaying (comparing to a regular display)?
>> 
>> Mario Luzeiro
>> ________________________________________
>> From: Kicad-developers <kicad-developers-bounces+mrluzeiro=ua.pt@xxxxxxxxxxxxxxxxxxx <mailto:ua.pt@xxxxxxxxxxxxxxxxxxx>> on behalf of Andy Peters <devel@xxxxxxxxx <mailto:devel@xxxxxxxxx>>
>> Sent: 27 February 2018 23:21
>> To: KiCad Developers
>> Subject: [Kicad-developers] 3D Viewer "Render current view using Raytracing"    is ludicrously slow
>> 
>> This is probably way low on the list of priorities …
>> 
>> On a 2017 MacBook Pro (Retina, touch bar, 16 GB RAM, with the Radeon 555 graphics), the "Render current view using Raytracing" is ludicrously slow, as in it takes about a minute to render a “simple” design (front panel thing with LEDs and buttons).
>> 
>> I admit that I didn’t know what that blue cube in the 3D viewer’s toolbar was for. I guess it’s really a tesseract.
>> 
>> Anyway, it re-draws the display and then when you zoom or pan it reverts back to the original rendering (which is quite fast).
>> 
>> -a
>> 
>> 
>> 
>> Application: kicad
>> Version: (5.0.0-rc2-dev-26-g0d794b2), release build
>> Libraries:
>>     wxWidgets 3.0.4
>>     libcurl/7.54.0 LibreSSL/2.0.20 zlib/1.2.11 nghttp2/1.24.0
>> Platform: Mac OS X (Darwin 17.4.0 x86_64), 64 bit, Little endian, wxMac
>> Build Info:
>>     wxWidgets: 3.0.4 (UTF-8,STL containers,compatible with 2.8)
>>     Boost: 1.61.0
>>     Curl: 7.43.0
>>     Compiler: Clang 7.3.0 with C++ ABI 1002
>> 
>> Build settings:
>>     USE_WX_GRAPHICS_CONTEXT=ON
>>     USE_WX_OVERLAY=ON
>>     KICAD_SCRIPTING=ON
>>     KICAD_SCRIPTING_MODULES=ON
>>     KICAD_SCRIPTING_WXPYTHON=ON
>>     KICAD_SCRIPTING_ACTION_MENU=ON
>>     BUILD_GITHUB_PLUGIN=ON
>>     KICAD_USE_OCE=ON
>>     KICAD_SPICE=ON
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> 
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