Resolving kernel symbols with Xeon Phi and MPSS 3.1.2
I'm trying to understand why an application is spending lots of time in [vmlinux], but I can't get VTune to resolve the MIC's kernel. I have found some suggestions...
View ArticleVTUNE and VPU hotspot analysis
I'm using VTUNE to look at the hotspots in my code. I'm down into the vector instructions and confused by a few things. I understand that VTUNE isn't a cycle accurate simulator, but why it is that I...
View Articlempss-3.2.3 installation problem
I have an installation problem of mpss-3.2.3 on CentOSPer 3.2.3 readme, (after stopping and unloading older version of mpss), I ran the uninstall.sh from 3.2.3. The readme showed using the 3.2.3...
View ArticleBranch divergence on Intel Xeon Phi Co-processors
Hi to everyone,I have this small question about the Intel Xeon Phi Co-processors, they suffer performance penalties when the execution branch of the different threads diverges?For example, in GPUs its...
View ArticleNo symbols in VTune for offloaded application
I am collecting a VTune profile for an offloaded program in the following manner:amplxe-cl -collect knc-hotspots -source-search-dir /home/dozog/myapp/src -search-dir /home/dozog/myapp/src -result-dir...
View ArticleError in loading libiomp5.so
Hi!When I run a program on mic0 after compiled with -mmic option, it returnederror while loading shared libraries: libiomp5.so: cannot open shared object file: No such file or directoryI've read this...
View ArticleOptimizing a TBB pipeline
Dear all,I'm currently using a parallel pipeline with I/O bounded filters. Let me remind you my project, if you can bear with me.A serial filter reads a string, a parallel filter transforms a string,...
View ArticleMounting filesystem on a MIC using NFS
Dear forumers,I'm trying to mount some directories from the host on the MIC cards using NFS. I followed step by step the guide...
View ArticleProfiling and analysis on separate machines
Hi everybody,we're in the process of upgrading one of our servers with a Xeon Phi card, and we want to profile and analyze our software using VTune as part of Intel Parallel Studio. Since the server is...
View ArticleHow to graphically evaluate program on mic with vtune
I want to get the detailed information in the Bottom up or Top-down tab, like the assembly code, source code, and the execution time for each particular assembly instruction, just as what I can get on...
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