Quantcast
Channel: Intel® VTune™ Profiler (Intel® VTune™ Amplifier)
Browsing all 1347 articles
Browse latest View live

How can L2_RQST.BOTH_CORES.ANY_MESI=0 while L2_LINE_IN.SELF.ANY >0 ?

Hi all~I'm tring to calculate the L2 miss ratio of a program on the platform of Intel Core2 michroarchitecture.I'm using the the formula : L2 miss ratio =  L2_LINE_IN.SELF.ANY /...

View Article


Cannot download the evaluation version of the product

When I press "download" link on the page http://software.intel.com/en-us/intel-vtune-amplifier-xe I get an error about infinite redirection loop.I tested this on Chrome and Internet Explorer 10.

View Article


Compile error for __itt_ in C program

I get an error when attempting to compile the Intel VTune Amplifier XE API code:error: expression must have a constant value__itt_domain* pFrame = __itt_domain_create("FRAME");...

View Article

amplxe-gui crashes while Finalizing results / Resolving information for xxx

Kernel: Linux rbeasley-lx 3.2.0-57-generic #87-Ubuntu SMP Tue Nov 12 21:35:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Ubuntu 12.04.3 LTSIntel VTune Amplifier XE 2013 Update 15I just began an evaluation...

View Article

New experimental feature: TSX Exploration

Intel(R) VTune Amplifier XE has now the ability to analyze Intel® Transactional Synchronization Extensions (Intel® TSX). See details in the article:...

View Article


Determining number of DRAM accesses in Intel Sandy bridge

Hi everyone, I have an Intel(R) Xeon(r) E5 1650 Sandy bridge processor and I would like to measure the number of memory accesses by using theperformance counters. I am only able to see two events...

View Article

Viewing results with different Updates/Build# of Vtune 2013?

Hi All,I have following scenario: I am working on different clusters with Vtune 2013 installed but different Updates/Builds# (from 11 to 15). Analyzing results with amplxe-gui on remote node is very...

View Article

Source level analysis not being helpful

Hi, I'm using Vtune to annalyse some AVX image processing routines I'm doing. I'm compiling with Visual Studio Pro 2012, and using the latest Vtune in 64bit C++ mode.I have symbols turned on in my...

View Article


Customer software crashes when performing VTune 2013 basic hotspots analysis

I am using VTune Amplifier XE 2013 to find performance bottlenecks in the software our company develops.Recently I encountered a crash of our own software during a VTune basic hotspots analysis. (The...

View Article


Remote Profiling setup with Windows 7

I am currently attempting to setup and configure remote profiling for a remote Windows 7 64 bit host. I have followed the documentation and been able to run captures both by RDP'ing to the remote host...

View Article

Problem accessing the sampling driver in MIC.

Am using mic in network mode. So after the admin restarts the PC i am able to run my test program amplxe-cl -collect knc-general-exploration  ssh mic0 "/home/snataraj/test/nsleep_mic" (Here it works...

View Article

wxWidgets used in VTune: bring into Intel's attention

Greetings,This is just an attempt to bring into Intel's attention my project.I have just realised nice VTune front-end (at least under Windows) is made with support of wxWidgets library.I am user of...

View Article

crash when debugging is turned on

Greetings,II have crash when run on Windows MSVC and I hit F5 to run with debugger attached. after few actions I get dialog:======--------------------------- Microsoft Visual Studio...

View Article


error while reporting

I get the following error, when i generate report for some of my configurations. Can you please help me sorting this out?amplxe: Executing actions 14 % Loading data files...

View Article

ZeroMQ profling using Intel VTune.

All, Looking if messaging library ZeroMQ (http://zeromq.org/) can be profiled using Intel Vtune (Linux) or any other tool which can profile ZeroMQ based C++ code.Thanks!!

View Article


Xeon Phi: Failed to create a tb6 file because 0 samples were collected

Dear Vtune experts,I am using vtune in command line mode to profile the time taken by each function in my code. amplxe-cl -collect knc-general-exploration --target-duration-type=veryshort --search-dir...

View Article

Fail at seeing transitions in OpenMP application

Hi,I am a newbie as far as as VTune is concerned. I have an OpenMP application that I am trying to analyse, since the delivered performance is way too far from expected. However, when I ran "Locks and...

View Article


Image may be NSFW.
Clik here to view.

Source Code Inspection, Strange CPU Time Reporting

I'm using VTune Update 15 to profile the benchmark 401.Bzip2 from SPEC CPU 2006 benchmark suite, however I'm seeing a strange result when inspecting the source code to check which instructions are more...

View Article

Image may be NSFW.
Clik here to view.

Anybody profiling OpenMP code?

I was testing VTune Amplifier XE on some OpenMP code and got a profile like this:I found it strange that the time spent in the OpenMP parallel-for loops was not attributed to the function containing...

View Article

Different Outputs using Power analysis Tool

Please im wondering if there's any description of the results obtained from the Intel Vtune Amplifier Power analysis. This is because i get different output chats (both frequency and cpu sleep state)...

View Article
Browsing all 1347 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>