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GPU621/VTuners

Revision as of 15:47, 27 November 2022 by Nko4 (talk | contribs) (Algorithm Optimization)

Intel Vtune Profiler

Group Members

Vtune Profiler Features

The Vtune Profiler has a variety of features that provide information to assist in the optimization of application performance, system performance. The profiler also assists in system configuration for HPC, Cloud, IoT, media, storage, etc.

The profiler provides compatibility for a variety of systems and platforms that include the following:

    CPU, GPU, and FGPA
    Any combination of the following languages: SYCL, C, C++, C+, Fortran, OpenCL, Python, Google Go, Java, .NET, Assembly
    Optimized performance that avoids power or thermal throttling 
    Collection of coarse-grained data over extended periods with details results including mapping to source code

Algorithm Optimization

Analyzing Hot Code Paths

Flame Graphs

 
Here we can see an example of a flame graph selecting the “hottest” processes run in an application which represent 93.3% of the total CPU usage time


Analyzing Hot Spots

Hotspot Analysis

 

Microarchitecture and Memory Bottlenecks

Accelerators and XPUs

Parallelism

Platform and I/O

Multi-Node

Vtune Profiler Coding Excercise