Take Advantage for Intel® Instrumentation and Tracing Technology for Performance Analysis
11Optimize your Code Using Intel® VTune™ Profiler and Intel® Instrumentation and Tracing Technology APIs. Understand the impact of Locks and Waits on the parallel execution of threads and tasks.
This video demonstrates the difference among several Intel Instrumentation and Tracing Technology (ITT) APIs, including process-based frame APIs, compared to thread-based event and task APIs.
Intel VTune Profiler gives you the insights needed to fine-tune threaded application performance.
While code instrumentation is optional for VTune Profiler analysis, instrumented code can provide enhanced insights into algorithm performance. Examples of use cases that can benefit from instrumentation include analyzing applications performing repeated calculations or analyzing transaction processing on a per-transaction basis to discover cases that experience bad performance.
We will run a data collection on the instrumented code, as you normally would. The summary tab is activated. This includes summary statistics and top hotspots at the top, CPU utilization histogram in the middle, and the platform information at the bottom. It also includes a table of the top tasks and events by count and execution time and a frame rate histogram showing the duration of the frames, with the count of fast and slow frames relative to each other.
This video will use this information to streamline parallel application execution flow.
Intel® VTune™ Profiler - https://www.intel.com/content/www/us/en/developer/tools/oneapi/vtune-profiler.html
Get Started with Intel® VTune™ Profiler: https://www.intel.com/content/www/us/en/docs/vtune-profiler/get-started-guide/2023-1/overview.html
Intel® oneAPI: https://www.intel.com/content/www/us/en/developer/tools/oneapi/overview.html
oneAPI Code Samples Library: https://www.intel.com/content/www/us/en/developer/tools/oneapi/code-samples.html
oneAPI Code Samples Catalog: https://oneapi-src.github.io/oneAPI-samples/
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Take Advantage for Intel® Instrumentation and Tracing Technology for Performance Analysis