Speed Up with MIC/ in Parallel
My question is not specific to MIC developers, it for all parallel developers in general. By increasing data sampling (n) in the program, I get better speed up. Also the sequential is better than...
View ArticleAsk the Community: LGA1150 motherboard for 31S1P
I'm interested in programming for 31S1P and want to ask: is there a LGA1150 motherboard that (unofficially) supports Xeon Phi?I have MB that does not support MMIO above 4G. So I need to...
View ArticleIssues accessing mic0 with non-root user
I am having some issues getting access to mic0 through non-root users. Accessing the card as root works fine.The issue is that I keep getting prompted for password and no matter what password I...
View ArticleNFS configuration
Hi,I am trying to the NFS mounting to work and followed the instruction on the user guide section 7.4. However, when I got to micctrl --addnfs=172.31.1.254:/micNfs --dir=micNfsI got the following...
View ArticleHow to align the 3D array which is dynamic allocated by new operator to 64...
Hi!I am using pointer to dynamic allocate a 3D array like this:double ***p;p=new double** [x_dimension]; for (int i=0; i<x_dimension; i++) { phi[i]=new double* [y_dimension];...
View ArticleTwo bridges
Hi guys,We have faced with a requirement to setup two network bridges and include both MICs into the both networks (on each host of the cluster). Is it possible to implement such configuration with the...
View ArticleMICs and VLANs
We have a VLAN that needs to be accessed via VLAN Tagging. This is enabled on the compute hosts as eth2.3. I've configured eth2 as a bridge (br1) and included the mic cards (mic0, mic1) in this...
View Articlelaunching mpiexec.hydra from host
Hi,I am trying to do WRF code on a mic card following the instruction from https://software.intel.com/en-us/articles/how-to-get-wrf-running-on-the-...However, when I try to do mpiexec.hydra -np 1...
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error in offload directive in fortran
hi all,i have been trying to add a small OFFLOAD section to a program in CESM.however i get the following error on compilation.mpiifort -c -I....
View ArticleMissing micparse.h
Hello, I am trying to build the micconfig tool from the micmgmt package, but the compiler is complaining about the "micparse.h" file missing. I cannot find it anywhere in the sources. So my obvious...
View ArticleCompiling mpss-3.4.3 from source code
Hello all,I downloaded mpss-3.4.3 source code from http://registrationcenter.intel.com/irc_nas/6253/mpss-src-3.4.3.tar There are a bunch of packages in this tarball, and I have no idea in which order I...
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unable to link offloaded MIC
hi all,I had added an offload section to a file named atm_comp_mct.F90.it does compile well.however later it is being used to link to a file named cesm.exe and it throws errors as undefined...
View ArticleTemperature monitoring
Hi all,I'm trying to figure out how to read the temperature sensor(s) on the PHI from a program running on the embedded linux.I installed MPSS version 3.4.3 and the board SKU is B1PRQ-5110P/5120D.The...
View ArticleIntel LEO multiple copies of the same variable on MIC
Dear all,I am extending SNU NPB OpenMP version to use LEO. I found a problem while converting the IS application. Considering that I do not have more than a couple of weeks of practice on LEO, I was...
View Articleconfigure infiniband connection(rdma) for 2 mics
Hi, I'm trying to set up infiniband connection between host and mic, mic and mic. Host is showing this on ifconfig:mic0:ib: flags=67<UP,BROADCAST,RUNNING> mtu 64512 inet 192.0.2.100...
View ArticleKnights Corner Architecture
Hi,I have a question about the architecture of knights corner. I wonder how many Vector Processing Unit (VPU) within one physical core? Because the hardware can support 4 threads within one core, does...
View Articleoffload mode: allocating mic arrays without host allocation
Hi, I am porting subroutines to a xeon phi using offload mode. Now, I know how to allocate/deallocate arrays on the mic when they are also declared on the host. Something like below for allocation and...
View ArticleTrying to create an external bridge
Hi guys,I'm trying to create an external bridge following the users guide from Intel.First of all I execute the following command:micctrl --addbridge=br0 --type=external --ip=<ip_HOST> Then, I...
View ArticleIntel® Code Modernization Enablement Program
Intel® Code Modernization Enablement Program for DevelopersIntel is introducing the Intel® Code Modernization Enablement Program for Developers. Code modernization allows software traditionally...
View ArticleRunning OpenCV Computer Vision Programs on Xeon Phi
Hello, I would like to know how to run opencv programs by using the intel xeon phi coprocessor card? What are my options? Also, how can i work with the Transparent API released by OpenCV and Xeon Phi...
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