Xcode 10 build very slow. Modified 5 years, 2 months ago.

Xcode 10 build very slow. xcodebuild. 1, 15. (M1 Mac mini 16GB RAM)diagnosticd and SpringBoard seem to Our app's debug build size is over 700MB, while the main binary is 350MB. Including "extra" header files in source code dramatically slows down the compilation. It's better to check it locally and see if the build is taking close to 30 minutes as well. Ways to reduce Xcode build time: long way since the days of the notoriously slow build times of to watch some of the WWDC talks related to Xcode 10 today, and I wanted to share some very I finally had time to watch some of the WWDC talks related to Xcode 10 today, and I wanted to share some very interesting and useful new tips to improve the build times of Swift and Objective-C projects in Xcode 10. Ask Question Asked 7 years, 11 months ago. The slowdown was fixed changing the nvm default to system. By default this is not enabled and you will need to switch it on yourself from the My Xcode was running fine but when I build a project (even an empty one), it would take up to 10 minutes. 1. 3! I've written an iOS build pipeline in GitHub Actions. So one day i clearly observed the VMWare settings, Xcode 8 very slow Swift compiling. runAction(SCNAction. Going to ~/Library/Developer/Xcode/ and removing contents of "iOS DeviceSupport" and removed the contents of "iOS Device Logs and "Derived data" too Sorry it probably less but you get the general idea. 34 In Xcode 9. Any idea or suggestions? I'm on XCode 6. It now takes approximately 1 minute from the installation completion to the app's start launching. js uses: actions/setup-node@v1 with: Since the Xcode 15 beta, many have been plagued by the newly introduced ultra-slow debug. Additionally, Xcode 14 ships with some powerful tools to help you gain insight into potential bottlenecks and shave off significant build time. Our startup time became very heavy due to slow dynamic library loading during startup. app for that device and wait for the Home screen to load before running the app. Follow edited Feb 2, 2020 at 11:33. This can quickly speed up your workflow and save a lot of time during the day for all developers working Boot & run Xcode from a large fast SSD if you have that option as well. Hence, in this article, I Hello, we are experiencing an issue: with Xcode: 12. 1st build - 23 min (after updating Xcode) 2nd build - 35 min (without any changes) 3rd build - 34 min (without any changes) 4th build - 23 min (clean build) I got very weird result here :|. Share. improve build performance, then you are at the right place. After loaded, re-run the app from Xcode. c and . 5 minutes, but when I run the same command in xcodebuild its excruciatingly slow, take more than 10 minutes. Parallelizing your build process In Xcode 5 you have to: Select the project on the left tab; Choose the target in the TARGETS section; Then in Build Phases > Target Dependencies press "+" Choose the added project as target it will appear in the Target Dependencies list; If it works, when building all target dependencies will be build together if needed. Also we are having a black screen on launch for some seconds 10-20 and then the app launches what the hell. 0 I guess its an overall performance question: how can I speed up my ionic build and xcode build? It takes around 2-3' for ionic build to complete, and when I build exactly the same code from my friends MacBook its just flies. The fps barely gets over 15 fps and everything is lagging. When I remove this file the build completes in under 2 minutes. nvm alias default system I installed a fresh Flutter installation in Mac OS and for some reason, hot reload doesn't want to work, when I press r, it says: [ ] Initializing hot reload (completed) [ ] Reloaded 0 of 419 libraries in 1,889ms. 5 minutes and on Windows it takes like 3 seconds. Konrad77 (Mikael Konradsson) July 2, 2022, 3:31pm 1. I uninstalled Xcode and when i tried to install it again it said I needed the OS X 10. Development. Here is an example of one of my actions node. Conclusion: Modularizing your code will speed up build. See also Xcode is running really slow: When you build a project for the first time do it normally (it will take a while like you described) After the first build Go to Product -> Scheme -> Edit Scheme. I've been seeing extremely slow performance trying to use the XCode 10 IDE. Xcode in my imagination should be I press command R the thing builds within a few second and simulator launch instantly and the app load on screen. The packager runs but the xcode appears to wait till the packager is ready but It is already! So I take more than 20 minutes !! When it used to be very fast. 6. The easiest thing might be to "install" things into Documents or similar, which is persisted across app updates. They have around 100 View controllers on their storyboard and it's just running really slow. The Xcode 9 simulators were already really slow (running at about 10 fps on this iMac), but now with Xcode 10 they have become even slower. I chose this topic since I haven’t come across any blog or article that has an exhaustive list The only thing I can suggest is to do a "sysdiagnose Xcode" on each Mac during the build, then submit a bug report. 1 (6A2008a) on Mavericks. 5. By this point they have become so slow that they are almost unusable. If you make it a little faster, that will save a significant amount of time. 5 was fine. Often, the largest thing you can do is to control your inclusion of header files. Select Build in left side column and uncheck Find implicit dependencies. 0. I had the same issue, the update ran forever and never finished. 5 GB to the VMWare because of this it was very slow the entire operating system. The 4 files at a time build sounds like Xcode is performing a full rebuild of the project which should not happen again if As projects grow, build times can become problematic. Code running on xcode 12 is very slow. 1) is running very slow on OS X 10. However, there are several tweaks you can make to Xcode that can decrease the amount of time it takes for builds to complete without any extra work. The root cause of this slowdown is not straightforward because it i @TechStack No example here, you need to find out what's causing the build to be slow, it's all based on your code and build process. 0 build time significantly increased. 1b1, 15. If it has the same issue locally, then no way to address it Since Xcode 9. Modified 5 years, 2 months ago. So i upgraded OS X and then installed Xcode 8. Build / download / run times are very slow, even when I change nothing. 3 there is a Compilation Mode called Single File. – Justin Lau. But after I updated my device to iOS 15 I’m getting the app's splash screen for more than a minute every time I build the app. What is happening on iMac/Xcode that is taking sooooo long to compile? I've tried with sudo xcodebuild -license accept but at start the console is still very slow and, after a reboot, I have to wait at least 15s to see the terminal. In reality, the process would take I am using a few different SCNActions in my Swift playground and the animations run very slowly. but when I try to compile it, it is too slow to work and that is with simple things. Well, I'm running apps on an iPad Air here and it runs in just a few seconds, using Xcode 5. In fact, it's worse now because with Xcode 9 they were slow, but at least the framerate was quite steady and consistent. 12 at least. Apple please fix this asap thanks! I'm constantly waiting for Xcode to compile, the build system crashes at least twice per hour, and when typing it's incredibly laggy to the point where I can't even continue working. I've tried with sudo xcodebuild -license accept but at start the console is still very slow and, after a reboot, I have to wait at least 15s to see the terminal. There is a simple code fix for this issue by moving Tell the Xcode build system about your project’s target-related dependencies, and reduce the compiler workload during each build cycle. Visit Stack Exchange. 2. I think Springboard (Xcode) waits to get a handshake response when the As I've noticed me and my colleague experiencing the same behaviour on Xcode 12,5 - extremely slow debugger it takes time to po. You might want to try using the Legacy Build System (which was the build system by default in Xcode 9). Versions: react-native-cli: 2. SOLUTION: So i allocated 3. Very slow compile / run times with XCode for iOS. My mac is M1 pro. rotateBy( I use TeamCity CI to build my Apps, when I build them using xcode (any configuration), a clean build takes just less than 1. Only 14GB of Ram used. If your app’s source files use different options, Xcode must recompile the module map for each new set of options. – Josh. You already said your app has 27MB, so size shouldn't be the issue here. repeatForever(SCNAction. I wish the update told me that before i wasted 2 days trying to figure it out. Outside of that storyboard, when we're working in the . This way the Kotlin modules will be slow but java modules faster. You might want to see if you can find out if the compilations are slower, or Xcode’s new Build Timeline feature will help you to identify which portions of your application are building in parallel, and whether there are any unnecessary steps in the build process that are slowing things down within a It seems to be a build issue that happens when adding a dependency on the Firestore CocoaPod to a Flutter app. Any ideas why this is happening? after updating to xcode 10. For the time being, though, long compile times persist as a big issue when working on medium-to-large apps. So, I'd guess three possibilities here: Your Mac's HDD is failing, or your app is very large (having GiBs of files OR thousands and thousands of small files). 5 it should be better. nvm alias default system I'm using Xcode 12 with iPhone 12 Pro. 1 and not a massive project. The build itself takes less than a second but the Resolve Package Graph takes around 10 seconds on my M1 Pro laptop. 1 Copy to clipboard. But if you will keep rebuilding ReactNative "engine" - especially clean build, then it's more or less expected and know issue. Everything worked fine on iOS 14. 63. pkamb. I am not sure if this will actually fix the issue, but usually, I fully open the Simulator. 1 and react-native: 0. 19 Xcode apparently supports incremental updates, which is why sometimes "build and go" doesn't do a complete app update (it's very annoying). 4, either with the Legacy Build or with the new Build System, doing and Archive to compile the build is very slow. Not sure if it is watchman, node version, bash. Swift build times are slow mostly because of I've got a project with lots of very large media assets totalling several gigabytes. m files. 1b2), we have noticed a significant increase in build time, launch time, and debugger attaching time. 🤷‍♂️. Unless first time, and releasing to the App Store. A clean build / download / run on iPad can take 20 minutes but even just debugging with no I was initially a little disappointed because the full build time for the our very large macOS app was slightly slower than before upgrading to BugSur 11. Hope it helps! To get the maximum reuse benefit from module maps, compile your app’s source files with identical build options. In reality, the process would take My Xcode was running fine but when I build a project (even an empty one), it would take up to 10 minutes. LLBuild. Dramatically long Swift compilation time. I have no idea why. I'm not looking for general hints like how to restructure your projects, just tweaks that are related to environment. Swift Forums Xcodebuild resolve package graph is very slow. Xcode 14. Otherwise, it's not uncommon for the build to time out waiting on the simulator or device. In this article, When I'm editing a single file in Xcode, it takes several seconds to any kind of syntax error to show up. – My Xcode speed has come down to a crawl. 34 On Xcode 15 release version 15. Looking around I found out that somehow it's nvm that needs xcodebuild. This also tends to increase the time required for dependency checking. Xcode builds your framework’s module map using the same options as the source file that imports that framework. 3. I've followed all of the guides on making Xcode faster but they just don't help for this situation. The goal of this project is to gather all there is that can help you shorten your build times. Now fan on all the time and very slow. CPU activity is very low on both cores, gobs of memory. 11. Then to deploy app to device or simulator, on Xcode it takes about 2. h and . 4, either with the Legacy Build or with the new Build System, doing and Archive to compile the build is very It happens because Firebase package takes too much time for load dependencies and download pods for each first time run. Xcode build slow for . But this only happens sporadically. After upgraded to Xcode 12, the build progress will last for about 10 minutes when the target is a real device. For our project which is very large and has a mix of Obj-C and Swift the new build I narrowed this issue down to a single SwiftUI file that causes the problem. Commented Jan 3, 2015 at 17:22. Basically idea behind react native that you don't need to build app at all. If you want Kotlin, reduce Java code, it will speed up builds. e. 19. 2 I'm confused because of Xcode 16. Best to simply try again. Building the basic "flutter create" example app normally takes around 17 Build performance can be analyzed in Xcode to speed up your builds. . 0 (15A240d) the iOS 17 Simulator is very slow when running SpriteKit apps. m files it runs perfectly fine, it's just inside the storyboard that it runs slow. So one day i clearly observed the VMWare settings, Swift is constantly improving ️. We have looked at various threads but have not found a solution that has worked for us. But the xcodebuild (Build iOS (debug)) step is taking approximately 25 minutes to finish. If you try without Firebase package it runs within a 1 Hello, we are experiencing an issue: with Xcode: 12. When that slow project isn't included, the build stage now only Sorry it probably less but you get the general idea. 1 and Xcode 6 (beta 4). But it's only need less then 1 minutes in Xcode 11 with the same project and the same device. Very annoyed. 2, Apple introudced an experimental feature that allows Xcode to run Swift build tasks in parallel. Loading Firefox suddenly became very slow on my Ubuntu PC. React Native android builds very slow ( > 3min) 10 Build Hangs While Running 'react-native run-ios' Related questions. 4, the project counts around 50 files plus a realm database and around 10 pods Xcode 8 very slow Swift compiling. However, I can forgive that as a minor inconvenience because now launch and begin debugging almost as fast as I was before upgrading to 11. Most of the content in this post is taken from WWDC 2018 Session 408 - Building Faster in Xcode. This reminds me on what happened 20 years ago when we used Microsoft Visual C++ to POC a simple dll, it took forever to compile!!! TL;DR. When compiling from XCode 8 very slow swift compiling It's really funny that Apple do not use swift to build their major products, or they have insider information. This is 5-6 times slower. 3 and the older Xcode. The App would freeze on the launch screen for sometimes more than 10 seconds then it will continue without any problem. Is there any way to reduce the build time? Here's the workflow: name: iOS on: [push, pull_request] jobs: build: runs-on: macos-latest steps: - uses: actions/checkout@v2 - name: Use Node. 1 node --version v6. It's almost as if it's waiting for something but I have no idea what. This is unusable for testing games. Didn't bother to find the exact breaking point but builds 10x faster. I hit the issue with exactly 6 elements as well. Hot Network Questions A remote trading bot that runs on the CLI - first C++ project Exporting a nicematrix figure . 2 , it became so slow every time i edit any thing even a string, share their knowledge, and build their careers. What kinds of tweaks can you do to your Mac in order to speedup Xcode build process. 7 Speed up Xcode Swift build times. Once both carthage and cocoapods were working and XCode finally ran a clean build, If you are looking for ways to reduce your Xcode project’s build time i. With Xcode 13 and Swift5. Explanation. When i check the build log, i found the signing progress cost a lot of time Even better if you can separate modules by language. In case you have totally separate Java and Kotlin modules, it should take roughly the same time as just Java. 0 comments. Swift build times are slow mostly because of Cordova CLI build takes 5+ minutes to complete on iMac and takes about 10 seconds to complete on my Windows computer. I created a new proj React native project I build in Xcode, always stuck on "Running 2 of 4 custom shell script" and take nearly 5 min to continue. Xcode version 6. I've also tried to use Xcode 13 with the iOS 15 device, and it also seems to be broken! Last version or XCode (3. Sometimes errors don't even show up until I go to the menu and build Reducing build times is super helpful for developers especially when you are working on decades-old legacy codebases with tons of dependencies. Learn more in Swift is constantly improving ️. I tried testing on Xcode 13 and 12 and check all the scheme options. I've recently tried to use Xcode 8 to make iOS apps and to test things in Swift however it is impossible to work on as doing a simple 'print("Hello World")' takes easily over a minute to process to print it to the console, I tried doing regular development as well by creating UI buttons etc. The choice for compiling Swift code by file or by module moved from the Optimization Level setting to Compilation Mode, which is a new setting for the Swift compiler in the Build Settings pane of Launching an app on any of the devices that I have after installing iOS or iPadOS 15 on them is too slow when launched from Xcode. Run once and wait for the Simulator home screen to load. However, after updating to Xcode 15 (15. I have I started a virtual iPhone 13, and even the menus aren't very smooth like under 30 fps. But it is driving my crazy, Hope you could help me find a solution. It's explicitly said that it can change a game when talking about compilation times in the Xcode release notes. Or something else. 0. I then started a cross-platform Flutter app I'm maintaining, and it is very slow like 5-10 fps, where it is easily 30-60 fps on Android Emulator (same codebase, debug In the worst-case scenario, we still have to wait 10 minutes during the build stage when that one slow project is affected. always stuck at launch screen for 5 to 10 mins also followed the link but thats not helped much. For example it sometimes takes 30 seconds or more when I click on a line of code to edit it before the busy Ever wondered how many times you compile or run a project? Yes, it's a big number. For some reason many open windows make Xcode very slow.