VMWare cuts web application performance by 43%

czei writes: "This just released research report Load Testing a Virtual Web Application looks at the effects of virtualization on a typical ASP web application, using VMWare on Linux to host a Windows OS and IIS web server. While virtualizing the server made it easier to manage, the performance of the system dropped by 43%. The article also shows interesting graphs of how hyper-threading affected the performance of IIS."