![]() This means tests are discovered and displayed in the Test Explorer much faster! In our tests, we have seen test discovery complete twice as fast on a large solution with greater than 150 projects and close to 300K tests (on a machine with 10 CPU cores). In solutions with multiple test projects, the Test Explorer now discovers the presence of tests in different test projects in parallel. Unit Test Performance Parallel Test discovery : The table below shows the performance improvements achieved between the two releases. Consequently, Roslyn can do much less work to bring IDE features up to date for the newly selected configuration, reducing wait time. Now, configuration switches reuse the existing Roslyn project, updating it with only the small delta between configurations. In practice, this new state would be very similar to the discarded one, with only a few differences. This would result in re-parsing all source files in the project. ![]() Previously, when we switched configurations, we would completely tear down Roslyn’s view of the project, then create a new one from scratch. With these changes, Visual Studio is much more responsive after making such a switch. We addressed issues related to switching configurations, such as changing from Debug to Release in the IDE. These improvements come in addition to others made in the past few releases, which have reduced overall branch switch times measured at ~16 seconds in VS 2019 to ~10 seconds in VS2022 for the 95th percentile. This scenario should no longer prompt a solution reload resulting in a faster branch switching experience. For example, when a developer’s change gets merged and reaches the main branch the rest of the team would have experienced a solution reload when switching to or from this branch. We reduced the number of branch switches that need solution reloads by an estimate of 80%. Reducing solution reloads during Git branch switches You can read more about the C++ IDE experience performance improvement here These performance gains come in addition to other improvements made in the previous release. Large C++ projects could see a 20-35% speed improvement over 17.3 when populating the source code index used for colorization and IntelliSense. The time it takes to open a C++ project for the first time has significantly reduced. Stay tuned for continued performance enhancements to the Find and Replace experience.īased on our measurements for the 95th percentile in Preview channel, 95% of Replace operations complete within 8 sec in 17.4 whereas they used to take up to 25sec in 17.3. For example, by avoiding opening modified files while preserving the global undo capabilities, Async save, maximizing usage of caching & indexing. We have achieved this by making incremental improvements in the last few releases. Replace in Files on the entire solution is now 3-4 times faster! You’ll see a significant improvement in how fast you can do a bulk replacement in a large solution. Download VS2022 17.4 Find and Replace in Files
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