Clik here to view.
Bandwidth analysis on a Sandy Bridge Xeon doesn't work
I am having difficulties using the bandwidth analysis option of VTune Amplifier XE 2013 on my Sandy Bridge Xeon E5-1650 CPU. If I check the "Analyze Bandwidth" checkbox when doing a VTune run (e.g....
View ArticleProblem to lauch amplxe-gui from non-root user
Hi,As stated in the title, I have problems to lauch the "amplxe-gui" script from a non-root user, whereas everything is ok when I'm root.I should mensionned that I'm running on fedore 17 and that I've...
View ArticleVTune shows LLC misses for code line with only "}"
I have double-clicked the name of a function in the bottom-up view and it shows me the source code for the function, along with individual metrics per line of code. I have code resembling:...
View ArticleVtune error using Frame API
I am working with a program called NAMD, which uses a package called Charm++ to achieve multi-threading. I have used the Frame API to insert markers in the code. When I try to trace the code with...
View ArticleVtune - CPU SPEC2006
Hello.I run SPECCPU2006 for both INT and FP programs with the following command: runspec --config=mytest.cfg int -I runspec --config=mytest.cfg fp -I Now I want to use vtuneee for analyze each...
View ArticleI don't have "L2 bound" in General Exploration (after "show all columns")
Title says it all really- I have just installed VTune on a new build PC. Did my first profiling and noticed something odd. In General Exploration, Bottom-up (or Top-down tree) under "Memory Bound" I...
View ArticleSB_DRAIN.ANY and RESOURCE_STALLS.STORE
hi allI have difficulty in understanding westmere pmc counters SB_DRAIN.ANY and RESOURCE_STALLS.STORECould you please let me know what exactly these counters do?thanks-ts
View ArticleClik here to view.
Top-down CPU time does not match source code CPU time
Hi,I am profiling an application using VTune (Update 16) and I can't understand some results.When I inspect the result using the Top-Down view I see that a loop takes X seconds to execute, but when I...
View ArticleAnalysis for Intel(R) Xeon(R) CPU E5-2695 v2 @ 2.40GHz
Hi,I'm trying to run hardware analysis using amplxe-cl on Linux and except for snb-general-exploration and snb-bandwidth analysis types, none of the others (snb-access-contention, snb-branch-analysis,...
View ArticleClik here to view.
Cannot find Dynamic code, profiling OpenCL on Xeon Phi Coprocessor
I'm a novice for VTune. My goal is to get the assembly code of OpenCL. I tried to follow this link:...
View ArticleVTune Android target in demo version
I'm following the guide at [1] to try out VTune (demo version). When I create a new project, as "Target system" I only see local and ssh, no ADB. As I understand from the link [1], and ADB option...
View ArticleRelease Notes
Hi,is it possible to download the release notes for VTune somewhere? The page linked from the VTune downloads gives me only "Page not found" and "Access denied" errors.Thanks, Toni
View Article[Instrumentation Engine]:Failed to allocate Injector, Error =...
I'm trying to use a trial version of VTune Amplifier XE 2013 to profile my server application. Then I got this collection log:[Instrumentation Engine]:Failed to allocate Injector, Error =...
View ArticleVtune Amplifier XE Update 17, server returning 404
Hi,I see the update 17 is in my Intel Software Manager app, but it keeps saying the download server is returning 404 on trying to download/install.
View ArticleVtune - branch misprediction rate
Hello.ran the SPEC CPU2006 programs generated in VTune in two PCs: Intel Core i5-3330 (4x 3 GHz) and Intel Core 2 Duo E6400 (2 x 2.13 GHz)For most programs, the Miss Branch Prediction is less in the...
View ArticleVtune asserts during remote target analysis
Hi,I am running vtune to analyze a process in a VM. I am able to connect, attach to the process and start/stop the analysis.While stopping, vtune crashes with the error during "Finalizing results"...
View Articlelinux CLI installation: Driver build options are incomplete. Drivers cannot...
I'm trying to install VTune Amplifier XE 2013 on my Fedora. After prerequisite checking, i got this:There are one or more optional unresolved issues. It is highly recommended to resolve them all before...
View ArticleHigh CPI Rate - Small Runtime
Hi!I am comparing different shared-memory programming models on the Xeon-Phi. What I get as a result of comparison makes it a bit hard for justification. I am doing the same computation (say Matrix...
View Article[VTune in Linux CLI]amplxe-cl collect nothing in results.
I've successfully installed VTune Amplifier XE 2013 on a CentOS. I wrote a simple test program with a while loop for each second. Then I used this command to collect data:./amplxe-cl -collect...
View Articlepowerdk missing from update 17?
Hi,After downloading the Linux vtune amplifier xe 2013 update 17, it looks like the powerdk folder is missing from this distribution; the release notes do not mention any changes concerning the...
View Article