how to set page size
hello,a quick question, how can i set huge pages on a KNL? is it a compiler option or an environmental variable. i don't seem to be able to find instructions on how to do itthanks,yah
View Articleprocessor/DIMM configuration does NOT support
Hello,we are having issues with a KNL. it is a HPE model XL260a Gen9, and we are trying to change its cluster mode to any of the quadrant modes and it does not work. all2all in cache and flat memory...
View ArticleXeon Phi - Execution Time and Instruction Difference - Intel Caffe - Balanced...
Hi All,I am running Intel Caffe for AlexNet (512 iterations, 256 batch size) on Xeon Phi. First with Scatter 128 threads and then with Balanced 128 threads. I observed followingRun Time:1) Scatter:...
View ArticleOffload from different threads through a DLL
Hi all, My issue is as follows:I have developed a .dll that defines a class that manages all the offloading and then executes the process of data in Xeon Phi.It works fine when there is only a single...
View ArticleCpu-1 core isolation using tickless linux kernel
Hi, I am working on core-isolation for 64-bit-x86 target by running linux-4.9 kernel. I am able to achieve 100% cpu-1 idle using "cset shield -k on -f -c 1" but when I check "cat /proc/interrupt"...
View ArticleUpdate coprocessor with micflash
Dear all,I'm working with a xeon phi 7120P and i was trying to update the devices with micflash. After the ready state of the mics i executed the command micflash -update -device all and then rebooted...
View Articlenumactl in cache mode
Hi,Quick numactl question. Do I need to use numactl to run in snc-4/snc-2? I know from examples I've seen is that if you are in flat memory mode, you can pin the threads to fast memory with numactl,...
View Articlempss.service failed
Dear all,I was starting mpss on an intel xeon phi 7120 with "service mpss start" and by mistake i sent an ctrl^c. Now mpss doesn´t start and i've tryied to work around this issue fow a while but with...
View ArticleXeon Phi - Power And Clock Gating
Hi All,Does Xeon Phi Kights Landing has power gating? I believe it doesn't have clock gating. But, wondering if change number of active/online cores will add to power?As per my experiments, running a...
View ArticleEmpty Optimization Report
Hello everyone,I am a new developer for MIC architecture and using xeon phi with icc. I am currently compiling a basic native code with optimization report flags : "-qopt-report=3...
View ArticleKNL & first touch memory policy
Hi - I've been playing around with libnuma recently, exploring the options available and seeing the costs/benefits of various features.When using the KNL in SNC4, I've been finding some unexpected...
View ArticleXeon Phi SNC2 and SNC4 Application Mapping
Hi All,In SNC2 we will have 2 MCDRAM (node 2 and 3) nodes while in SNC4 we will have 4 MCDRAM (node 4,5,6,7) nodes. I want to map application for both SNC2 and SNC4 but on MCDRAM nodes not on DDR...
View ArticleBasic network setup
System: Windows 7 with 3120A, WinSCP and PuTTY both working with root account.I am trying to ping the host and eventually the internet but so far this hasn't worked. On the Xeon Phi, ifconfig...
View ArticleUsing openmp in _Cilk_offload
Recently, I want to port a complex program based on cpu to MIC. Because of the complex struct ,so I use the _Cilk_shared to manager the pointer to complex struct. I also make it successfully running on...
View ArticleXeon Phi - Memory Bandwidth - Intel Caffe
Hi All,I have been able to measure Xeon Phi memory bandwidth using STREAM. I wish to do same but using Intel Caffe. I can see following counters in "perf". Is it advisable to trust these? I am not sure...
View ArticleIntel IMC Academic Support
I am currently a Ph.D. student at a university. We have used Intel Fortran on Visual Studio IDE for a while but recently started more numerically challenging problem. I noticed the development of IMC...
View Articlempss.service failed
Dear all,I was starting mpss on an intel xeon phi 5110 with "service mpss start" and by mistake i sent an ctrl^c. Now mpss doesn´t start and i've tryied to work around this issue fow a while but with...
View ArticleXeon Phi 5110 - mpss.service failed
Dear all,I was starting mpss on an intel xeon phi 5110 with "service mpss start" and by mistake i sent an ctrl^c. Now mpss doesn´t start and i've tryied to work around this issue fow a while but with...
View ArticlePreserving the modified file system on Xeon Phi Coprocessor
Dear all, I'm working with an Intel Xeon Phi 7120 Coprocessor. As i have made some configurationand want to preserve the current file system i would like to capture its image in order to get a...
View ArticleCentos 7.3 - do I really need OFED from openfabric.org ?
hi everyoneOne quick question - do I really really need OFED from openfabrics.org and all the packages from centos/rhel + epel repos will NOT do?Reason I'm asking is - compilation/installation of OFED...
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