"We've noticed that extension 'ReSharper Ultimate' is slowing Visual Studio" message

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At the same time, we constantly work on ReSharper performance improvement, but some problems can only be solved by taking ReSharper out of the process. This is a massive architectural challenge and will take some time. The progress can be tracked here:

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I finally gave up on Resharper, some 15 years of using it no less.  Couldn't deal with the terrible performance with larger solutions.

Moved to Coderush, having a better time with it so far.

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It is impossible to use resharper especially projects like xamarin.forms. it is super slow, freezes the ui and crashes the Ide. i have just relieved after disabling it especially for Xaml. There are free open source tools doing better than resharper and such sad to see that we have to pay a lot of money to waste our precious development time for resharper.   

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Same here, it is impossible to use ReSharper now. We have a couple of visual studio solutions with more than 150 projects. I can't even open those solutions with Resharper enabled. Visual studio either hangs or crashes. So we have to make smaller sub-solutions to work. But whenever we have to build or make entire solution wise changes, which is very frequent, one has to disable ReSharper before proceeding. This is so annoying, and with heavy heart, if I find anything close to ReSharper, I'll be saying goodbye to this great product. And if you guys think that the user has to go through tens of preference adjustment, both in VS and Resharper, before he/she can use your product, that is absurd. By the way, I use a decent office laptop Lenovo T-480 with 32 GB ram to work. 

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How many of these comments are real.. and how many have been added by Microsoft since they are scared of Jetbrains new and very nice IDE that competes with Visual Studio? For that matter.. if they are real.. is it Visual Studio or Resharper's fault that it's slow? Note that it's much slower now than it used to be...

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Mczarnek, I know mine is real, and I'm not a M$ employee, but I guess anyone can say that with no way to verify it.  I follow this thread after I posted a while ago, and I see a new comment every month or so as posted.  Rider is a great IDE but I can't use it because the lack of fully-implemented TFS integration, so I struggle along with Resharper and Visual Studio, because although it's slow and it hangs frequently, I'm not willing to give up the features that Resharper adds to Visual Studio.

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@Mczarnek how do we know that your comment is real, and that you're not someone from Jetbrains trying to deflect the genuine concerns of frustrated customers onto Microsoft?

It is true that this problem has pushed me onto Rider, and I'm happier with Rider than I was on Visual Studio.

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Touché

It's true.. wish something like www.frink.global (full disclosure: my actual company) was already more popular that would allow us to figure out who to trust online.

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There is no need to invent a conspiracy here, the performance of the VS addon sucks. You know it, M$ knows it, and JetBrains knows it. Jet brains is working on it, end of story.

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I must say as well, I am getting terribly annoyed by the performance cut because of Resharper, typing is like you are using honey.

Since I do use Resharper for many years now and still this issue is very prominent there is obviously no solution at hand by the reshaper team.
Or they don't care because they have very strong machines to work with.

I might try DevExpress CodeRush and see how that is working...

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So, as said:
I disabled ReSharper because the speed of VS2019 was unbearably slow and now I am trying DevExpress CodeRush.
So far it looks pretty good, way better in regard of the performance.

Keep you posted...

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I am giving up hopes on Jetbrains ability to give us something that will run a little faster. Every time I complained to them (over the years) they asked me to send some performance logs and dumps but it did not take anywhere. I have a 24GB RAM, i5 8th gen and SSD and a solution having 25 projects or so. 

I looked into some tutorials of CodeRush last weekend and found that it is a simplistic tool (compared to Resharper), except for templates maybe! Most of the operations they do can be found in free add-ins like CodeMaid, Rosylnator etc. Also VS2019 has got some of their refactoring add-ins. 

Too bad that Jetbrains is letting it die. Not sure what is their game!

Edited by SK Dutta
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I've now successfully made the switch to Rider. It's possible that is what JetBrains actually wants us to do, but it is definitely better than VS + R#. It's more stable, faster, and has better features and less bugs (though not to say that it's perfect either.)

(After using Rider for a few weeks now, I *strongly* recommend switching. It's so much better than VS + R# it's amazing. I haven't been this productive in a long time.)

Edited by Dave Cousineau
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Ive tried just about everything and this STILL happens in my C# solutions. I had the issue in Resharper 2019, so I figured I update to 2020. Seemed fine for a bit but then the problem came back eventually. I've disabled about 80% of Resharper and it's still an issue. I clear caches daily at this point. Typing gets slow, this pops up. No idea why and there's seemingly no way to identify the problem. I'm so tired of it :(

I've  went as far as manually disabling Resharper doing the "read project files from disk automatically". So I have to keep a sticky note of the projects I have configured Resharper to read from. Even after excluding over half the projects in a solution in the explorer, I still get the issue.

64GB of Ram and a 6core/12 thread Xeon 3.8ghz CPU - can't keep up with resharper. Maddening.

Edited by Omeganemesis28
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Hey ReSharper team! It has been known for a very long time that using several features in your software kills the Visual Studio IDE on performance when put under heavy load and the worst thing for me is when keyboard input actually starts buffering for several seconds on a 16-core with 32GB RAM with 60+ projects. Anyway, hardware plays a very little role in the VS+ReSharper setup since everything is run through the same VS IDE process, unless the software supports spreading the load.

I am not here to share blame or point out any specific problems, but is there a way you could work this out together with the Visual Studio team?

I have posted a suggestion to look into this at the Visual Studio community site:
https://developercommunity.visualstudio.com/content/idea/1200737/visual-studio-plugin-performance.html

 

Edited by Runesolberg
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It would appear that the JetBrains people are willing to risk EVERYTHING by continuing to pretend that this huge problem doesn't exist.

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