Intel® VTune™ Amplifier XE is threading and performance profiling software for C/C++ and Fortran developers who need to understand serial and parallel behavior to improve performance and scalability. The next generation of Intel® VTune Performance Analyzer, Intel® VTune™ Amplifier XE is part of Intel® Parallel Studio XE, the all-in-one parallel processing software for serial and parallel C/C++ applications. As a software performance analyzer of Windows and Linux application behavior, Intel VTune Amplifier XE removes the guesswork by providing quick access to scaling information for faster and improved decision making. Fine-tune for optimal performance, ensuring cores are fully exploited and new processor capabilities supported to the fullest.

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Fast and accurate performance analysis

Take advantage of hotspot analysis to find the function that are taking the longest to run. Then jump straight to the source to optimise.

Identify locks and waits

Find common causes of parallel application slow down - where waiting too long time on a lock means the cores are underutilised during the wait.

Easy to use

Pre-defined performance profiling experiments help you quickly get detailed profiling information without having to know micro architectural details.

Powerful Timeline

See when threads and running, waiting and when transitions occur. Select a time range in the timeline and filter out inaccurate data - such as startup time - which masks accurate results.

Works on threaded and non-threaded code

Determines calling sequences and graphically displays the critical path, allowing you to see which functions took the most time to process or were blocked the longest.

System Wide Event Based Sampling (EBS)

Uses the on chip PMU to count performance events like cache misses, clock ticks and instructions retired.

Supports multiple languages

Works with C++, Fortran, Java, assembly and more - infact VTune supports compilers from any vendor that follow platform standards including Microsoft, GCC and Intel.

Supports multiple systems

Works on either Linux or Windows systems including Windows 7, Windows Vista, Windows XP, Windows Server, Red Hat Enterprise Linux, Fedora, SUSE and more.

Works with Microsoft Visual Studio

On Windows systems VTune can (optionally) integrate directly with Microsoft Visual Studio 2008, 2010 or 2012.

Not just for Intel processors

Much of the functionality available in VTune works on both Intel and other compatible processors. Plus results can be analysed on any compatible processor but some on-chip performance monitoring features do require a genuine Intel processor for data collection.