VTune Amplifier beta webinar Wednesday!
On Wednesday, May 6 at 9AM Pacific yours truly will present: Latest Intel® VTune™ Amplifier XE Improvements.Discover improvements to Intel® VTune™ Amplifier XE’s OpenMP analysis aimed at helping you...
View ArticleExtracting results based on time ranges
Hello, I am interested in using Vtune to profile a system. I have run a project and gathered the results. I am looking at the hardware event samples for a specific cpu. EG: All hardware events for CPU...
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Help, VTune 2015 profile collection failed in x86 android
Help, I used Vtune2015 to profile an android project. It failed just after I attached project process ID. I attached the screen print. Has anyone known this?.AttachmentSizeDownloadVTune...
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VTune fails to collect usual data on MIC
Hello,I've got troubles with VTune for collecting data on a native MIC application, after we upgraded MPSS to 3.5 and Intel Tools to 2015 update 3.Here is a log of what happens and the debug logs that...
View ArticleEstimating FLOPS
I have Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz which is Haswell based processor. I want to estimate FLOPS of an application. I am using Intel VTune Amplifier XE 2015. wondering if anybody knows how...
View ArticleHow to know who holds the lock in vtune
Hi, We have spin locks from TBB (rw). I am interested to know who owns the lock. Yes, we have information who spins at particular object, but where is that guy who holds a lock? How to identify...
View ArticleWindows XE 2015:"Accurate CPU time detection was disabled. Trace session is...
I am using Amplifier XE 2015 on Windows 7 and trying to profile 4xMPI processes running on my local machine. I get 3x of the above messages when running 4 MPI processes. Is that expected? That is it...
View Article"-collect-with runsa -knob event-config" only works with Basic Performance...
For exampleevent-config=CPU_CLK_UNHALTED.THREADworks fine. But for many others such as MEM_UNCORE_RETIRED.REMOTE_DRAMamplxe-cl will give error like:amplxe: Error: Cannot configure sampling event...
View ArticleBSOD with Advanced Analysis
I have 100% reproducible BugCheck with the latest VTune update to date. Though stack trace is not very meaningful.1: kd> !analyze -v...
View ArticleCan vTune show function names for IPP functions?
My application is using many IPP (Intel Performance Primitives) functions. When I profile it with vTune, I can see how much time IPP functions use, but I can't see the names of the IPP functions....
View ArticleLong command line with several search-dir
HiAfter installing VTune 2015, I am getting a very long command line when I use a command-line/copy. Below is a copy. I see that there are several search-dir. I am wondering why this is...
View Articlecannot analyze user tasks with update 4
Starting with 2015 update 4, vtune seems to be unable to analyze user tasks, erroring upon capture completion. I've bounced back and forth a few times between updates 3 and 4, and it only started...
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Advanced Hotspot analysis problem
I’m trying to analyse an OpenCL program with VTune Amplifier XE 2015 (update 4) using VS2010 and VS2013 on Windows 7 enterprise.Under "Algorithm Analysis", I choose 'Advanced Hotspots", and then...
View ArticleProgram is faster when launched from VTune
Hi,I've noticed that if I time my program launched from the command line, it is slower than when I launch it from VTune (~25sec vs ~18sec). I've already checked that I'm running the same binary with...
View Articleamplxe: Error: [Instrumentation Engine]: failed to create the detach process...
running commandamplxe-cl -target-process dsd -collect hotspots amplxe: Collection started. To stop the collection, either press CTRL-C or enter from another console window: amplxe-cl -r /r000hs...
View ArticleProblem loading of Advanced hotspot results into GUI with 2015.4.0.410668
Hi,Loading of Advanced hotspot results into GUI leads to an infinite loop of some sort and eventually pops up the dialog saying VTune is not responding. Most of the results seem to come up on the...
View ArticleVTune API?
Hello there!I am wondering whether current versions of VTune have a programming API such as the ones mentioned in these...
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Concurrency vs Advanced Hotspot Analysis
Hello there. I have a parallel application and I am profiling it with VTune Amp. XE 2015 on Ubuntu 14.10. My goal at this moment is to check how much time (and in which way / pattern) the threads of...
View ArticleApplication Silently Stops
Hello there!I am using VTune + Libittnotify to identify and profile some task regions in a few programs. However, I am seeing a weird behavior in some programs. What happens is that when I enable the...
View ArticleHow to collect task execution time in the command line
Hello there.Is it possible to use VTune Update 4 command line to collect user task (i.e., those annotated/defined using the ITTNotifyLib) execution time? How? I could not find any link/docs.
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