kicad-developers team mailing list archive

[Andrey Kuznetsov <kandrey89@xxxxxxxxx>]

Would it be an easy fix to change the text/font such that it does not
affect performance so significantly on MacOS?

On Sat, Mar 3, 2018 at 5:20 AM, Wayne Stambaugh <stambaughw@xxxxxxxxx>
wrote:

> On 03/03/2018 07:33 AM, Jeff Young wrote:
>
>> Hi Andrey,
>>
>> I did some profiling and I’d guess that the difference in eeschema and
>> pcbnew-legacy performance is down to there being more text in the schema.
>> Since we use a stroke font, there’s a lot of stroke segments in each letter.
>>
>> @Devs,
>>
>> I understand why we use a stroke font on the PCB, but there’s not much
>> reason in eeschema, is there?
>>
>
> This is possibly one of the things that I plan on changing after the new
> schematic file format is written.  The new file format will support font
> definitions so replacing the stroke font in Eeschema should be doable.
> Whether or not I have time to make this change remains to be seen.
>
> Wayne
>
>
>> Cheers,
>> Jeff.
>>
>>
>> On 3 Mar 2018, at 08:18, Andrey Kuznetsov <kandrey89@xxxxxxxxx <mailto:
>>> kandrey89@xxxxxxxxx>> wrote:
>>>
>>> The motherboard project is not very complex, I would say that
>>> performance should be tolerable UP to that size complexity, if we set the
>>> bar any lower, usability will suffer and people won't like KiCad because
>>> it's sluggish and interface lag is the worst kind of lag.
>>> My project isn't finished and Chris' project is available now, is just
>>> the right complexity and has layout that can be used for testing as well as
>>> a schematic.
>>>
>>> *LG 5K 27" display running 3200x1800 (the highest resolution without
>>> making text blurry, using this for work every day, so it's extravagant,
>>> it's practical)*
>>>
>>> *Actions:* pan with middle mouse, zoom back and forth.
>>>
>>> *eeschema:*
>>> Low Res - at least 2 times slower than would be considered normal, I
>>> would have to guess ~400ms lag
>>> Normal - 4-5x slower compared to low res mode ~1700ms lag
>>> Even in low res mode, and removing 75% of the items from Chris'
>>> schematic, the lag is still ~200-300ms, that's just not right.
>>> Additionally, I filed https://bugs.launchpad.net/kicad/+bug/1753054
>>> because the mouse zoom is screwed up in eeschema, coupled with the lag,
>>> it's unusable. Maybe the pan lag is related to the zoom, maybe there are
>>> multiple steps being rendered when it should just jump to where the mouse
>>> ended up at, I don't know.
>>>
>>> *pcbnew - **Normal Resolution:*
>>> Accelerated: No-AA, <50ms
>>> Fallback: 500-1000ms for panning, 300-600ms for zoom
>>> Legacy: 1300-1700ms for panning, 600ms for zoom
>>> Low Res mode: did not notice speed increase, except maybe Fallback was
>>> ~400ms faster.
>>>
>>> I'm not saying halt the horses, certain modes are obviously limited, ie
>>> Legacy and Fallback by the nature of the task presented, but eeschema is
>>> barely displaying 10% of the content pcbnew is but lagging so much worse!
>>>
>>> Just thought I'd include rendering of the Accelerated Graphics (top to
>>> bottom: Supersampling 4x, Subpixel AA (Ultra Quality), No AA)
>>> All 3 modes are responsive, probably <50-100ms lag, I'd consider this
>>> performance great, considering the amount of elements on screen.
>>> <image.png>
>>>
>>> How long should it take to delete this many selected elements in pcbnew?
>>> Answer: about 50x too long! I think it was like 3mins, perhaps ESC key
>>> should be available to press anytime to undo the delete action and restore
>>> to pre-delete screen when accidental actions are triggered that take
>>> forever to complete?
>>> <image.png>
>>>
>>> On Fri, Mar 2, 2018 at 9:53 AM, Bernhard Stegmaier <
>>> stegmaier@xxxxxxxxxxxxx <mailto:stegmaier@xxxxxxxxxxxxx>> wrote:
>>>
>>>     Hi,
>>>
>>>     to be honest, I don’t really know what this is about.
>>>
>>>     @Andrey:
>>>     You looked for a very complex (foreign) project (Chris mainboard?)
>>>     to prove that eeschema is slow on Mac?
>>>     Well, we know that and we told you already some weeks/months ago
>>>     why it is like it is (if memory serves me right).
>>>
>>>     Or, do you have an own project that is so ridiculously slow, that
>>>     you can’t work with it?
>>>     If so, please provide it so that we can analyse why this specific
>>>     project behaves like that.
>>>     If you can’t or don’t want to provide it we could tell you how to
>>>     do some performance measurements so that we might see something.
>>>
>>>     Obviously, there are a number of Mac users here and also over at
>>>     the KiCad forum who might also be happy to get some more
>>>     performance here and there, but who are in general reasonably able
>>>     to work on their projects (including myself, on a 2012 Retina
>>>     MacBook with only an i5).
>>>
>>>
>>>     Regards,
>>>     Bernhard
>>>
>>>     > On 2. Mar 2018, at 17:59, Andy Peters <devel@xxxxxxxxx
>>>     <mailto:devel@xxxxxxxxx>> wrote:
>>>     >
>>>     >
>>>     >
>>>     >> On Mar 1, 2018, at 8:53 PM, Seth Hillbrand
>>>     <seth.hillbrand@xxxxxxxxx <mailto:seth.hillbrand@xxxxxxxxx>> wrote:
>>>     >>
>>>     >> Andrey-
>>>     >>
>>>     >> I'm moving this to a new thread so that we don't conflate the
>>>     OpenMP discussion with this.
>>>     >>
>>>     >> Can you test running Kicad with the "Open in Low Resolution"
>>>     mode enabled?  You can activate this by choosing "Get Info" on the
>>>     main KiCad application and checking the option that says "Open in
>>>     Low Resolution".  You may need to do the same for the other
>>>     applications (Eeschema, pcbnew, etc) as well.
>>>     >
>>>     > testing on my 2017” touch-bar MBP …
>>>     >
>>>     > Good g-d, low-res mode looks fuzzy and weird!
>>>     >
>>>     > I don’t notice any specific differences in EESchema performance.
>>>     Maybe my schematic isn’t busy enough? I’m a fan of using more
>>>     smaller sheets with less info on each than one big sheet with
>>>     everything.
>>>     >
>>>     > I know, anecdote is not evidence.
>>>     >
>>>     > -a
>>>     >
>>>     >
>>>     >>
>>>     >> -Seth
>>>     >>
>>>     >> ​​2018-03-01 18:09 GMT-08:00 Andrey Kuznetsov
>>>     <kandrey89@xxxxxxxxx <mailto:kandrey89@xxxxxxxxx>>:
>>>     >> Hi,
>>>     >>
>>>     >> So for now I've had a chance to test the motherboard project on
>>>     my Retina macbook display.
>>>     >> eeschema: horrible zoom, feels like elastic band zoom and I
>>>     have all scroll wheel accelerations and similar disabled, zoom
>>>     response is super laggy, cannot work like this, will need to make
>>>     schematics on windows.
>>>     >> pcbnew by order of slowness:
>>>     >> legacy - pretty slow, zoom lag is major, boo boo
>>>     >> modern (fallback) - decent, but the lag can be felt, zoom lag
>>>     is minor
>>>     >> modern (accelerated) - almost cannot feel the lag, very nice,
>>>     nice zoom responsiveness
>>>     >>
>>>     >> I'll report tomorrow on 5K LG display.
>>>     >> ​
>>>     >
>>>     >
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>>>
>>> --
>>> Remember The Past, Live The Present, Change The Future
>>> Those who look only to the past or the present are certain to miss the
>>> future [JFK]
>>>
>>> kandrey89@xxxxxxxxx <mailto:kandrey89@xxxxxxxxx>
>>> Live Long and Prosper,
>>> Andrey
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>>
>>
>>
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-- 
Remember The Past, Live The Present, Change The Future
Those who look only to the past or the present are certain to miss the
future [JFK]

kandrey89@xxxxxxxxx
Live Long and Prosper,
Andrey