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Sublime Text 3 is Slow

Re: Sublime Text 3 is Slow

Postby qgates on Sun Nov 24, 2013 2:28 pm

This shouldn't be an issue if your backup software is using the volume shadow copy service, which it should be to avoid such issues.

ST3 shouldn't have a problem accessing files in a read-only fashion that are open by other processes, perhaps Jon could look into that. But I and most others don't appear to have a problem with ST3 in this regard, suggesting that this is an edge-case with certain programs. It could also be that certain things have changed in the Win8.x. Have you seen any of these issues in Win7?
Posts: 188
Joined: Mon Nov 05, 2012 4:33 pm

Re: Sublime Text 3 is Slow

Postby RickyS on Sun Nov 24, 2013 10:49 pm

I had some different weirdness with build 3056. Cured it by:
  • Package Control:Upgrade/Overwrite All Packages
  • Restart ST3
As a wild guess this might help.
My weirdness was auto-completion went away.
Posts: 15
Joined: Mon Jul 08, 2013 6:51 pm

Re: Sublime Text 3 is Slow

Postby Xavez on Fri Nov 29, 2013 11:01 am

On a big project, with a lot of files, I’m seeing the same problem on OS X Mavericks. Fans blowing and all. Not in ST2, but it’s there in ST3, build 3047. For instance, when I rename a folder containing a lot of markdown files, sublime becomes unbearably slow for a while.

The funny thing is that it only started recently. I’ve been working on that project for a while without problems. I have tried disabling plugins, but that didn’t help. The only two other major things that are different since then are that I’m running Mavericks, and that I have encrypted my hard drive. I’m thinking it might have something to do with the latter?
Posts: 1
Joined: Fri Nov 29, 2013 10:49 am

Re: Sublime Text 3 is Slow

Postby Roflhouse42 on Mon Dec 09, 2013 7:30 pm

So i have been looking at what could be related to this issue. I have actually found a way of reproducing it. Basically the slow down occurs when my system is even slightly taxed. Like if i open chrome, outlook, and onenote. that seems to be enough to cause ST3 to render at like 3 frames per second. I also believe it has something to do with swapping memory to disk. Anytime my system is using over 6% disk ST3 just sucks. At least now i know that i can close a background process and make sublime be normal again... Also I am not like taxing my computer to get this to happen. i am using like 6-7% cpu 20-26% memory and 6-10% disk when st3 is crapping out. If i had to make a wild guess however ST3 now is reading from disk somewhere in the rendering loop which is tanking me but who knows. maybe this will give someone enough info to fix this problem.
Posts: 23
Joined: Tue Jul 30, 2013 12:34 am

Re: Sublime Text 3 is Slow

Postby codingcowboy on Sun Mar 16, 2014 11:29 pm

Im also having this same problem. The program runs very slow (especially typing...) scrolling isnt quite that bad but still very sluggish!

Mac OS X 10.9.2
2.66 Quad-Core Intel Xeon
8GB Ram
Posts: 1
Joined: Sun Mar 16, 2014 11:25 pm


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