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[taltalon]

Folks,
i am paying user of MediaCenter.
I run it on Yosemite latest, on a Quad Core Intel Core I7 Macbook Pro Mid 2012. 16GB of RAM.
this laptop has both an intel + nvidia gfx. Nvidia kicks in when high performance required or when i charge my macbook.

Compared to iTunes, Safari or Audrivana, MC performance is UNBEARABLE - i have huge library - all images/covers have been already processed.
it does not process cover art. scrolling in any song view - album, panes, what ever - its PATHETICALLY slow and sluggish.

Anyone can help? why is it so slow? Its the ONLY app that has this problem. Please note this Macbook Pro does *NOT* have a Retina Display.
i normally use it with my 27" DELL Monitor - 2560x1440 resolution. Even if MC Window is Small it slow as hell.

Need help ASAP..

thanks
tal

[JimH]

Turn off audio analysis and auto import, just to see what happens.

Are the files on a NAS?

[blgentry]

I wonder if MC is still building thumbnails for all of your files?  It does that after the initial import.  Then, once the thumbnails are built, things run at a normal (fast) speed.   You can check to see:

Help > system info > (look for thumbnails built)

Brian.

[taltalon]

All files on local disk.
Slowness is regardless if audio is off or on. the entire UI in MC is slow. scrolling the album view is like x10 slower than in iTunes.
like there is NO acceleration of anything. in iTunes and Safari - its amazing - butter smooth.

Audio device is a DSD DAC - its selected. using DoP. no format conversions. Bit streaming all the way. confirmed by the output check.

Turn off audio analysis and auto import, just to see what happens.

Are the files on a NAS?

[taltalon]

Says:
Thumbnail Built: %13 (6335 of 50017) !!!
but i have MC for months - why isn't it completing this task ?! is there away to solve this?

I wonder if MC is still building thumbnails for all of your files?  It does that after the initial import.  Then, once the thumbnails are built, things run at a normal (fast) speed.   You can check to see:

Help > system info > (look for thumbnails built)

Brian.

[blgentry]

You can tell MC to build all missing thumbnails:

Tools > Options > Tree & View > Thumbnails > build missing thumbnails

With 50,000 files that process will likely take several hours.  MC will be slower during this operation.  But when it's done I'd expect it to be pretty fast.

Good luck!

Brian.

[JimH]

All files on local disk.
Slowness is regardless if audio is off or on. the entire UI in MC is slow. scrolling the album view is like x10 slower than in iTunes.
like there is NO acceleration of anything. in iTunes and Safari - its amazing - butter smooth.

Audio device is a DSD DAC - its selected. using DoP. no format conversions. Bit streaming all the way. confirmed by the output check.

This is not normal.  Check your auto-import settings.  Turn them off first, then turn one folder at a time on.

[taltalon]

Folks,
all thumbnails rebuild. Problems remains. scrolling in Album view and any other view is HORRIFICALLY SLOW.
iTunes is butter smooth. Audrivana as well. Only MC is terribly slow - all scroll operations.

Can someone please help - what is this thing ?

thanks
tal

You can tell MC to build all missing thumbnails:

Tools > Options > Tree & View > Thumbnails > build missing thumbnails

With 50,000 files that process will likely take several hours.  MC will be slower during this operation.  But when it's done I'd expect it to be pretty fast.

Good luck!

Brian.

[Awesome Donkey]

In my experience, scrolling isn't that bad (this is when using a panes view with nearly 80,000 lossless music files). It isn't as smooth as the Windows version or as perfect as the Linux version is, but it's pretty acceptable.

One thing I've done is increase scrolling in the Mac's settings, which helped somewhat as well, though I don't recommend doing this unless you want to.

[JimH]

Under the view menu, there are some options you can try.  Size, etc.

Did you try options in Tree and View?

Are you using a remote desktop type of program to access the Mac?  Or are you using the Mac itself?

[JimH]

I run it on Yosemite latest, on a Quad Core Intel Core I7 Macbook Pro Mid 2012. 16GB of RAM.
this laptop has both an intel + nvidia gfx. Nvidia kicks in when high performance required or when i charge my macbook.

Can you test whether the problem is related to this?

[MrBiff]

Side-scrolling on Mac in file view is horrible slow with mouse or track pad flicks when view has wide columns that span several scrolls.

[blgentry]

Side-scrolling on Mac in file view is horrible slow with mouse or track pad flicks when view has wide columns that span several scrolls.

With the trackpad on my MBP, side scrolling (two fingers swiped left to right) is sorta choppy and odd.  A side "flick" (same thing, just fast) goes pretty quick all the way to the end of the columns.  Again, it's a little odd looking and not smooth.  I hate trackpads.

I have a logitech m510 mouse that has a scroll wheel that can be pushed side to side for horizontal scrolling.  I've never installed Logitech's control software for it as I'm always paranoid about those things screwing up my system.  In this case almost every feature of the mouse works, including the side to side scrolling with the "lean wheel".  But it's very slow.  But that slowness of side scrolling is the same (for me) in every program I've tried it in.  Maybe Logictech's software or something like USB Overdrive would help.

But I just learned something researching "side scroll speed"!  If you hold down shift while rolling the mouse wheel it scrolls horizontally!  ...and it's the same speed and smoothness as vertical on my system.  You might give that a try.

Brian.

[MrBiff]

If i side flick 10 times, side scrolling does not complete until 15 seconds later.  Sometimes downward scrolling can the same.  The scrolling update rate in MC on Mac is not tuned.

[blgentry]

To the original poster and eightdancing:

What version of OS X are you running?  I'm using 10.9.5 and I'm not seeing what you guys are.  My library is pretty small compared to most users here, but it's several thousand files, so not tiny.

I wonder if there's some strange dependency on hardware or OS?

Brian.

[MrBiff]

El Capitan 10.11.5
iMac (Retina 5K, 27-inch, Late 2015)
4 GHz Intel Core i7
32 GB 1867 MHz DDR3
AMD Radeon R9 M395X 4096 MB

it is not depending on files, but column width and wide data in columns.  Make a file list view with maybe 15 colums, and maybe 6 or 7 wide column and add long data to those columns.  the problem has existed for all versions of MC for Mac, and on different Mac hardware.

[blgentry]

Hmm.  I just populated my Audio > Files (panes view) with 5 expression columns of filepath(). I doubled clicked them to make them full width.  I also had [filename] displayed in another column and another 8 or 10 columns that I normally use.

Flicking side to side is pretty quick.  Scrolling (shift scroll wheel) is super fast.  Maybe I'm not using the right column data?  Or missing something?

Brian.

[MrBiff]

See video: https://vid.me/2px4

15 swipes immediately, and then after the pause 20 more.  painful.

[taltalon]

Folks,
I'm on ELCAPITAN latest update with the latests updates. always.
The scroll slowness is highly apperant in the album view. i did not modify its original settings.
im on 2560x1440 resolution screen. MC is not even full screen. if you scroll down, its like HORRIFIC compared to Safari, iTunes Album Cover view.

What is going on here - is MC a real native OS X app or some weird port? ;-)

tal

[Awesome Donkey]

MC is indeed a native OS X app.

I'm watching the video posted above - I've never thought of using horizontal scrolling as I keep my metadata/columns within the window's size. Vertical scrolling within the artist/album panes on the other hand is a little laggy compared to Windows and Linux, but it's acceptable IMO.

[Fred1]

MC is indeed a native OS X app.

Somehow it surely is. At least it is compiled under MacOS.
But would you call an application native that does not really care about user interface guidelines of the OS?

[Awesome Donkey]

I don't see how following the user interface guidelines makes MC less of a native OS X application - MC uses it's own system to draw the windows, regardless of platform. With your logic, the Windows build wouldn't be considered a native Windows application or native the Linux build wouldn't be considered a native Linux application, but they are. MC isn't the only application that doesn't follow the Mac's user interface guidelines, Steam is another example. I wouldn't be surprised if Adobe's applications on OS X are the same in this regard as well.

This issue has little to nothing to do with the user interface (or the debate of it being a "native OS X app or not"). I believe the issue lies in the smooth scrolling effect used within MC - if this was removed/changed, I'm sure the scrolling performance in the Mac build would be much, much better. I can already open the Mac's System Preferences > Mouse and increase scrolling speed by one or two steps, which in turn improves the scrolling speed in MC. This isn't the ideal workaround or solution, but it does work to some degree (and honestly with default scroll speed settings the Mac seems a bit 'slow' when scrolling, IMO).