Performance Improvement When Debugging .NET Code With Visual Studio 2015

Nothing is more frustrating than trying to debug an application that runs significantly slower when you’re debugging it than it does when it runs without a debugger attached. Over the years we’ve received numerous complaints along the lines of “when I run my application without the debugger it takes a few seconds to execute a scenario, but with the debugger it can take several minutes.” By far the most common cause is a large number of exceptions being thrown and caught somewhere in the application (we’ll look at why later in the post).