I/O Issues: Remote Socket Accesses
Hello,I am Ilia Kurakin, Software Engineer in VTune Amplifier team. At present I contribute to Network applications profiling.We've just published the article "I/O Issues: Remote Socket Accesses",...
View ArticleIntel VTune Amplifier on Xeon Phi
Hi All,I have few questions regarding Intel VTune Amplifier which I plan to use on Xeon Phi 7210:Since, Intel VTune Amplifier is a GUI based application, can anyone share what's the overhead added on...
View ArticleVtune advanced-hotspots not capturing entire workload
Hello, I am trying to run vtune 2017 with the advanced-hotspots collection, and it does not seem to be capturing the entire run. Example output: Collection start time 14:13:31 04/10/2017 UTC...
View ArticleVTune Amplifier XE self validation script on Linux
Hello All,Time to time we have the following questions from VTune Amplifier Linux customers:-I don’t have administrator privileges and cannot install VTune Amplifier driver, what limitations might I...
View ArticleIntel vTune: Mac OS X source issue for remote target
Hi all,I use Vtune for Mac OSX, to monitor performance on Linux remote targets. Below is a snapshot showing where I am, using tachyon sample: " src="cid:AB9F944F-C06C-4475-B73F-F6D3C724E9B7@Home">...
View ArticleVTune hangs Bottom-up
I am doing VTune Basic Hotspot runs on 256 threads (KNL), 180 seconds runtime. (V17.0u4, on Linux)When I finally get to the Summary page (long time on KNL), I can then either click on one of the...
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Help Me Understand Why These Cache-Line-Aligned Loads Stalls in the Middle?
Hi,I have a tree-like datastructure. Each node of the tree is four `float`*4 vectors (i.e., 64 bytes, or one cache line). Semantically, during traversal, some pseudo-C++ would look like://Four loads....
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Product Owner Corner - Oct,2017
Today I’ll continue telling the story of VTune Amplifier development. Last month we focused on “housekeeping activities”. You know, maintenance of such a product is quite an effort :) Among other...
View ArticleProfiling mlpack on Linux systems
Hello, I'm trying to profile mlpack(http://www.mlpack.org/index.html), a machine learning library. I'm currently running VTune Amplifier on a Ubuntu system. I'm running into the following...
View ArticleCan not display source code profiling results in VTune 2018 Linux
this used to work (in vtune 2016), double clicking on a hotspot shows the corresponding source line (well, need to select the .cl kernel file first i the pop-up window). Now it only shows assembly....
View Articlehow to show source code of jvm
I am using vtune 2018 in ubuntu16.04 and running hotspots of spark application. After running, I can see function belong to module libjvm.so but can not see the source code of them after double click...
View ArticleRegister for the Intel® HPC Developer Conference
The Intel® HPC Developer Conference, taking place November 11–12, 2017 in Denver, Colorado, is a great opportunity for developers who want to gain technical knowledge and hands-on experience with HPC...
View ArticleLocks and Waits Capture Failing
Hello,I'm unable to capture in Locks and Waits mode. Hotspots works fine.Quickly after pressing the Start button, the capture is aborted and the following error is printed to the Collection Log.Data...
View ArticleVTune openmp regions/profile not available in attach mode
Hi,I have a requirement to run VTune to run in attach mode and i use the command "amplxe-cl --collect hotspots -knob enable-user-tasks=true -knob analyze-openmp=true -source-search-dir ${workload_src}...
View ArticleRecipe: How to profile a .NET* Core Application on Windows and Linux
We are excited to share a new profiling capability for .NET Core which is a part of Microsoft’s .NET ecosystem. Intel VTune Amplifier 2018 released in September includes a preview feature for profiling...
View ArticleIs the Vtune Amplifier free for academic commuity?
Hello,everyone, I want to know whether the amplifer is free for academic research. For example, free for university or research center. How can i get the licesence for academic? thank a...
View ArticleIO Issues: High Latency and Low PCIe* Bandwidth
The following article has been posted: “IO Issues: High Latency and Low PCIe* Bandwidth”. If you have any questions don’t hesitate to ask them in this thread.
View ArticleClang 5 and VTune 2017/2018
Hi there,I've been trying to figure out why VTune 2017 and 2018 seems to crash our software whenever I try to our attach to it using amplxe-cl. It turns out that *anything* compiled with clang 5 seems...
View ArticleRecipe: False Sharing
We would like to bring your attention to the https://software.intel.com/en-us/vtune-amplifier-cookbook-false-sharing recipe from the Performance Analysis Cookbook. It demonstrates on a real example how...
View ArticleSending live VTune results to rsyslog server
I am using VTune to analyze malware after which my system gets corrupted and becomes unrecoverable which means I can't access the analysis data. Is there a way to configure VTune on a Windows target...
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