Power management monitoring on KNL
Does anyone have experience monitoring the power management states on the KNL processors or know where the Linux kernel support is at for this? I'm working with a 7210 processor and noticed that the...
View ArticleKNL vtune options besides hotspots
I have succeeded in profiling an application which is being ported to KNL byamplxe-cl -collect hotspotsand copying the results files to my windows laptop for "open result." It was a hassle to get this...
View ArticleClik here to view.
MIC has no IP on Windows Server R2 2012 after installing MPSS 3.7.2
Hello all!I am running Windows Server 2012 R2 (.NET Framework 4.5) and recently upgraded the MPSS drivers to 3.7.2 (performing also the required Flash update on the MI), and now the MIC does not appear...
View ArticleApply _CIlk_shared to static and local variables
Hi everyone:I learn from the official document that _Cilk_shared cannot be applied to static variables and variables local to a function. I've done some experiments with a demo. Here is my code:#pragma...
View ArticleMPSS updates and Dirty COW fix?
Hi,according to https://software.intel.com/en-us/articles/intel-manycore-platform-softwa... the only presently supported MPSS version is 3.4 (as 3.7 support expired September this year).I understand...
View Articlenumber of vector instructions that can be performed at once ?
Hi,I have a question about the number of vector instructions that can be performed simultaneously.- On a KNC, there are 61 cores.- Since each core has 4 threads, totally 244 threads can store...
View ArticleMPSS and Infiniband Question (Mellanox Driver Version)
I would like to use OFED option in MPSS. I am wondering if the Mellanox 3.4.x driver is compatible with MPSS? I have CENTOS 6.7, which is not compatible with the recommended Mellanox 2.4.x...
View ArticleMigrating from KNC to KNL
We have an application running on Centos 6 and utilising a Phi native application (with communication between the two via the SCIF library)Now that KNCs have been end-of-lifed, I'm looking at migrating...
View Articlemicprun and compilervars.sh
Dear all,I just buit a new xeon phi test host. I would like to run the micprun stress test program, but when I run it, it fails because it cannot find the compilervars.sh script.I downloaded and...
View ArticleKNL coprocessor availability
Perhaps someone knows when the KNL in coprocessor form will be available?As far as I can tell from the ARK website, all of the gen 1 coprocessors have been end of life'd. None of the gen 2 systems are...
View ArticleKNL omp thread sequential startup
When running a KNL OpenMP job with VTune locksandwaits (sampling interval set to 2), the threads are shown as starting at 3 millisecond intervals. In the case where threads are set by...
View Articlecompiler generated spills
I already made a post on this subject https://software.intel.com/en-us/forums/intel-c-compiler/topic/702712 so I will try not to duplicate.I have a KNL job which appears to be affected by spills due to...
View ArticleSlow MPI communication betweens MICs
Hi,I am running my application on a cluster with 2 MICs in each node (Salomon cluster). However, I've noticed that the MPI communication between both MICs is extremely slow whenever the message sizes...
View ArticleClik here to view.
Coi Hello_world_source example in MPSS 3.7.2 failing at launch
I am trying to run the COI "hello_world_source" example that comes with the MPSS 3.7.2 on a 64bit Windows 10 machine that is used for develpment and does not have a Xeon Phi installed. But, I have...
View Articlepower consumption of knight landing at idle states
as subject. How much power does knight landing, e.g. Intel Xeon Phi Processor 7210, consume at idle states? Thread Topic: Question
View ArticleTrouble with LDAP when MIC's a lot.
If I run a task on a small number of MIC's, all's ok. If MIC's is a lot (30-40 or above), I receive "user not found" on some nodes.If I run "id":OK: uid=1000 (user) group=1000 (group)Fail: uid=1000...
View ArticleIntel(R) Xeon Phi(TM) processor software 1.4.3 for Linux* Release
Please note that Intel(R) Xeon Phi(TM) processor software 1.4.3 for Linux* Release is now available athttps://software.intel.com/en-us/articles/xeon-phi-software . This version has the following...
View ArticleNew vs "Old" Intel Phi
I am interested in working with the Intel Phi, but I wasn't sure if there have been any significant changes in how they are used in the past couple years. I see plenty of them on eBay for around $500,...
View Articleoffload implementation of pthreads
Is it possible to migrate pthreads to particular cores on multiple coprocessors from host system like OPEN MP offload implementation?Thread Topic: Question
View ArticleDeveloper Access Program PCIe expansion card options
Hello,the Developer Access Program shows the Ninja Developer Platform with the KNL x200 host processor with PCIe expansion slots. What kind of cards are supported on these systems? Is there a...
View Article