Estimating elapsed time for a vtune anaysis (knob sampling-interval)
Hi,I ran a HPCPerformance analysis(vtune 2020u0) on intel8280 (RHEL7.6) with default settings as - time mpirun -np $SLURM_NPROCS -ppn $SLURM_NTASKS_PER_NODE $OPTS amplxe-cl -collect hpc-performance...
View ArticlePacked non-vectorized FP operations
I am using vtune 2020u0 on intel 8280 platform. I carried out an HPC characterization analysis and was looking at the Heading of Vectorization Section which hasVectorization: 77.7% of Packed FP...
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collecting gpu-hotspots crashes my application
Hi,My application crashes when I try to run collect gpu-hotspots, whereas if I just collect hotspots then it works just fine.Vtune self check script ran just fine. Attaching the log file....
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Can't view the source code for functions
Hello!I am trying to profile a C++ application with OpenMP using Intel Vtune Profiler. According to Intel Tutorial (https://software.intel.com/en-us/download/tutorial-finding-hotspots-c-sa...) I have...
View ArticleUnable to load .pdb files after profiling using VS2019
Hey,After I profile my C++ application VTune just sits trying to load the .pdb for one of my libraries. It never moves past this .pdb. The .pdb it gets stuck on is random for each time I run. This...
View ArticleProblems importing data gathered by command line from AWS host
Hi,I've setup vTune profiler on an AWS linux installation where we are running processes in Docker. I don't have direct root login access on the host, so need to run vTune with sudo directly on the...
View ArticleSilent CLI only install still does GUI checks
Hi,My current project involves profiling against AWS instances that I spin up specifically for profiling. The AWS instances get erased at the end of the session. I'm therefore installing vTune...
View ArticleNo 32bit target for remote Linux
Hi, I'm trying to run Vtune remotely on a 32 bit Linux target but there's no vtune_profiler_target_x86.tgz in the target directory (only an x86_64 one). Is this unsupported now?
View ArticleSystem Profiling of an AWS host with app running in Docker - Outside any...
Hi,The system I'm currently profiling is a Linux AWS instance, it's a Scala app (so running on JVM) running in a docker container. When I profile using a command line like: vtune -collect hotspots...
View ArticleProfiler Drivers missing
Brand new to vtune, on a Centos Linux machine. "uname -r" gives "3.10.0-327.el7.x86_64".When I installed vtune, it saidThe install program cannot detect the kernel source directory for OS...
View ArticleIntel VTune Profiler Comparison with other Profiler in Market
Dear Friends,I have never used VTune profiler for instrumenting C++.Can someone tell me why Intel VTune is better then other profiliers like valgrid, perf, gprof ? In terms of slowness & time...
View ArticleExport data from timeline
I need the data (Memory bandwidth, CPU analysis, etc.) in time series exported into a readable format such as .csv file.How can I do that?
View ArticleIntel VTune Profiler Installation
Hi, I would like to install Intel VTune profiler on my Centos 7 machine.....AFAIK, the latest version does not work on CentOS 6.. But Centos 7 is fine, isn't it?Please help me regarding the extracting...
View ArticleMy scenario and Intel VTune Profiler.
I am working on Ceph (https://en.wikipedia.org/wiki/Ceph_(software). It is an open-source software storage platform.- Through git I have cloned Ceph in my home folder.- Built its dependencies- And...
View ArticleVtune Data microarchitecture analysis metrics vs varying CPU frequency
Hi,I ran a code with different frequencies and collected vtune data (on 8280 processor, rhel 7) using microarchitecture analysis. I understand that vtune(v2020) can be used to identify the portions of...
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2 problems with Threading analysis
Hello!I am trying to profile a C++ application with OpenMP using Intel Vtune Profiler and I have 2 troubles with Threading analysis.1) If I run the application for a short time (there are different...
View ArticleRunning finalize on different host from profiling
Hi. I need to run some code to be profiled on a special set of machines, but because they are a limited resource, I would like to do the finalization on a different machine. All of the machines have...
View ArticleSpeeding up finalize
Hi. I'm wondering if there are any tricks to speeding up finalization. My jobs usually run for 4-6 hours, of which maybe one or two hours has profiling enabled. However, finalization can take 2-4...
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Interpretation of profiling results
Hello!I am trying to profile a C++ application with OpenMP using Intel Vtune Profiler and I've run Hotspots, Threading user-mode and hardware-based analyzes (see "hotspots", "user" and "hardware"...
View Articlecache hit/miss rate calculation - cascadelake platform
Hi,I ran microarchitecture analysis on 8280 processor and i am looking for usage metrics related to cache utilization like - L1,L2 and L3 Hit/Miss rate (total L1 miss/total L1 requests ...., total L3...
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