Compile and link against k1om library/RPM
hi all,when answering another thread (https://software.intel.com/en-us/forums/intel-many-integrated-core/topic...) I ran into an old problem:How does one compile and especially link a library of...
View Articlemicsmc-like program for KNL
Is there a similar program to the KNC micsmc that will run on KNL? (Linux O/S)Is there a similar Linux GUI program that presents CPU usage similar to Windows Task Manager Performance tab? (graphical...
View ArticleTest memory bandwidth on KNL
I have tested the memory bandwidth using STREAM both the DDR4 and MCDRAM, but I found something that I really can't understand.I try to run STREAM test using one thread, the bandwidth is 16GB/s. It...
View ArticleDebian like system udev rules for /etc/mic/ctrl and /etc/mic/scif
Hi,I'm currently running KNC on Debian based workstations.In order for non root user to run offload code I have to change permission on /dev/mic[0-9]/dev/mic/ctrl/dec/mic/scifmy udev rule looks like...
View ArticleOpenMP overhead on KNL
I just wrote test code on KNL using openmp. But I feel really confused about the result.The code is as below:#include <stdio.h> #include <stdlib.h> #include <omp.h> #include...
View Articleloading of embedded OS on die (boolean logic silicon gated transistors)
I am affiliated with a company that has been studying possible backdoor technologies embedded in some CPU. We believe that the backdoor system is made of a special backdoor CPU and an embedded backdoor...
View ArticleDetails of Overhead and Data Copy Time
Hi,Please consider the following piece of code -program abcde use omp_lib integer thread_id real*8 :: start, end_t, transfer_t, offload_t integer , parameter :: m = 1000, n = 1000, k = 200 type phys...
View ArticleIssue compiling Embree with KNC support using icpc
I'm attempting to build a version of Intel's Embree with MIC support. I encounter this error:[ 52%] Building CXX object...
View ArticleHow to determine the motherboard compatibility of Xeon Phi
1, From this webpage(https://streamcomputing.eu/blog/2015-08-01/xeon-phi-knights-corner-compa...), I learn that the support list of motherboard is:[Gigabyte]MW50: 1x LGA 2011-3, 4x PCIe (x16x16x8x4)...
View ArticleMKL DGEMM Hyperthreading.
Hi, I'm trying to call DGEMM on relatiely big matrices (m=10000 , n=100000, k=10000) on knights landing.When I’m profiling using vtune, I can see that a call to MKL DGEMM, is having 68 threads...
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Intel Xeon Phi 31S1P - reset failed (post codes 09,17,F2)
Hi everybody,we are currently facing an issue with one of our two Xeon Phi.General data:Xeon Phi 31S1P (2x),CentOS 7.2 (Kernel 3.10.0-327.28.2.el7.x86_64),MPSS 3.7.2.After successfully setting up both,...
View ArticleIntel Xeon Phi assembly code
Dear experts,I'm not experienced in assembly, so I would appreciate it if you could help correlate the following assembly to the oneliner source. source:T localDistance = surfaceList[surfaceInnerIndex...
View ArticleMIC0 not resolvable after icc update
Hello,we have an Intel server station with a MIC coprocessor from 2012. On the system, icc13 was preinstalled. Unfortunately, icc13 couldn't vectorize our source code. So, I updated from version icc13...
View ArticleUNCORE EVENT information on KNL
Hello.In order to measure the DDR4 and performance of MCDRAM memory of KNL system, I'm looking for uncore events associated with the memory.I was looking for a reference document, there is only...
View ArticleGCC OpenMP 4.0 Offloading to a Real Knights Corner Xeon Phi Card
https://gcc.gnu.org/wiki/Offloading"Patches enabling OpenMP 4.0 offloading to Intel MIC are merged to trunk. They include general infrastructure changes, mkoffload tool, libgomp plugin, Intel MIC...
View ArticleAssembler JIT
Hi!I have a written a backen compiler that generates x64 assembler opcodes. I can execute these code snippets properly with prologue and epilogue on both Windows and Linux. The assembler contains an...
View ArticleAfter installing Intel Xeon phi coprocessor HDD free space is decreased 50 %...
Hi I am newly purchased two Fujitsu r 940 m1workstations with additional intel Xeon phi coprocessor 3120 a .. We configured new Fujitsu workstation, after that we installed intel phi coprocessor which...
View ArticleLDAP Authentication Troubleshooting
Hey all, I've been trying to configure LDAP on my Xeon Phi and I'm about ready to pull my hair out trying to get it to work. All of the guides that I've read make it sound pretty straightforward, but I...
View ArticleOpenCL error -1001
HiI am using two Intel Xeon Phi co-processors on a machine having RHEL 7.2 . I have installed MPSS 3.7.2 & Intel sdk for openCL 2016 6.2.0. Both processors are being shown using micinfo command but...
View ArticleIntel Xeon Phi: Complex data transfer with pointers in structs
Hi:I want to transfer some structs to MIC, but it seems the structs cannot contain any pointer. Is there any infrastructure I can use to handle except manually extracting those pointers and...
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