When measuring memory bandwidth with VTune, the execution time is getting...
Hi I am concerned about measuring bandwith using VTune.When measuring memory bandwidth with VTune, the application execution time is getting longer. Is it the result of VTune calibrating itself, or is...
View ArticleVTune and handling signals
Dear,I try to use VTune 2017 (with amplxe-cl or amplxe-gui) on my Fortran program. However, I got this ERROR message:amplxe: Error: Application sets its own handler for signal 38 that is used for...
View ArticleVTune Amplifier and Hyper-V settings
Hi,I have a problem when using VTune Amplifier. Data about the system and tool:Host OS: Windows 8VM: HyperVGuest OS: Windows 7VTune Amplifier XE 2017I am using HyperV to access guest OS on which...
View ArticleCentOS 7.1 support and vTune download that will support CentOS7.1
Customer is asking the following: How do you advise to point to customer please Thanks a lot M JayCustomer's RequestHost on which I need to install vtunes: Operating System: CentOS Linux 7 (Core)...
View ArticleGeneral Exploration - Store Bound metric always at 0
Hey all,I'm trying a simple text-book example on false sharing where four threads continuously write to distinct data on the same shared cache line. Using the General Exploration analysis, I used to...
View ArticleVTune Amplifier 2017 with GCC6
Hi All,I'm trying to compile VTune Amplifier 2017 update 4 with GCC6.3 for our instrumented kernel. Is it possible? according to what I see VTune suppurts extends up to GCC5.Thanks
View Articleamplxe: Error: Amplifier cannot detect local machine configuration.
Hi All,I'm attempting to profile some Fortran MPI code on a windows 10 home box. I can run VTune from Visual Studio w/o problems, but as far as I can figure, this always runs MPI code on a single...
View ArticlePlease How to drill down on the backend bound in version 2017v4
Dear VTune Forum experts, Thank you so much for sharing your expertise.Much appreciated.When I copy the General Exploration analysis in VTune and add additional counters, for example the counters for...
View ArticleSetting Number of Logical Cores in Intel VTune Amplifier
Hi. I'm trying to do a hotspots analysis on my concurrent program which utilizes only 4 threads. As my system has more than 4 logical cores, all effective CPU usages reported fall into either "Idle" or...
View ArticleRecipe: How to profile a Java* application in the Docker* container?
Dear VTune Amplifier Users!We would like to bring your attention to a recently publishedPerformance Analysis Cookbook, which is a set of independent recipes for the most typical performance problems....
View ArticleVtune hardware event counts wrong?
Hi all,I started using Vtune to analyze the performance of my application and found that many of the counters are not tallying. Below I just printed a few of them. To start with CPU_CLK_UNHALTED.THREAD...
View ArticleError message : An unexpected sequence of events was found
Hi,With a brand new machine (W10 64 bits, version 1703), whenever I carry out a basic hotspot analysis, I have the same error message at the end :"Accurate CPU time detection was disabled. When...
View ArticleWhen measuring memory bandwidth with VTune, the execution time is getting...
Hi I am concerned about measuring bandwith using VTune.When measuring memory bandwidth with VTune, the application execution time is getting longer. Is it the result of VTune calibrating itself, or is...
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Product Owner Corner - The Starter
Hi,I am Valery Cherepennikov, VTune Product Owner – a guy who runs the development process and makes most decisions wrt this product, but not all of them :) Hereby, I am starting a blog about Intel®...
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Getting Symbols in VTune Amplifier 2018
Hi,VTune Amplifier 2018 in Visual Studio 2017 is not finding symbols for my program:Notice the "func@0x..." notation. Mysteriously, during loading, it lists two modules where symbols failed to load—and...
View ArticleProfiling Tensorflow* workloads with Intel® VTune™ Amplifier
The following article has been posted: “Profiling Tensorflow* workloads with Intel® VTune™ Amplifier”. If you have any questions don’t hesitate to ask them in this thread.
View ArticleProblem while installing SEP kernel driver in CentOS
Hi,I am trying to run an advanced hotspot analysis through remote ssh in a CentOS machine. To do this, I need to install the SEP kernel drivers. However, when I run the "insmod-sep" script it gives me...
View ArticleProfiling JavaScript* code in Node.js* with VTune
Hi, I am Denis Pravdin, Software engineer VTune Amplifier team. At present, I am driving the development of profiling capabilities for Java/native applications and JIT runtimes (e.g. Node.js, HHVM,...
View ArticleCan VTune be used to assist with optimising Java applications?
Is VTune only applicable to C++ or Fortran apps or can it be used with Java apps as well?
View ArticleAutomatic timeline marks based on application output
Dear VTune developers,This is a suggestion of a simple feature that I would find very useful in VTune.Introduce an option to automatically set timeline marks based on application output. For example,...
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