trouble installing MPSS-3.1.1
I follow the chapter 2.3 (steps to install Intel MPSS with OFED support with mellanox* infiniband )of MPSS_Users_Guide.pdf to install MPSS. on the step 5, I get the following errors:warning:...
View ArticleOverheating Xeon Phi 7110P
Hi,We have built our workstation with two Xeon Phi 7110p based on Intel W2600CR2 motherboard. Our accelerators are passively cooled. We have noticed that just after mpss service has been started,...
View ArticlePreventing a double-precision number to be written to memory
In a scientific application, I need to avoid the cost of writing data to memory. I want to prevent an array of double-precision numbers to be written to memory. The array should reside in L2 cache as...
View Articlesshd's and ssh's arcfour ciphers appear to be broken on MIC (mpss 3.1.2)
Not a bit deal, but for your awareness.It appears that the arcfour family of ciphers are broken for ssh/sshd on mpss 3.1.2. Below you can see attempts from host->mic and mic->itself with and...
View ArticlePerformance of Intrinsics masked alignr
Hey all, is there a performance difference between the masked instruction _mm512_mask_alignr_epi32 and the normal instruction _mm512_alignr_epi32 Or do they have the same latency and throughput? Thanks...
View ArticleBuffer Errors
offload error: cannot create buffer on device 0 (error code 16) offload error: cannot create buffer on device 0 (error code 14)I have scoured google looking for information on these two errors but I...
View ArticleOrder of Intrinsics
Hey all,I am currently writing a program using Intel Intrinsics for KNC. Due to the in-order execution my question is: Does the ordering of the Intrinsic instructions make a difference? For readability...
View ArticleMissing users after micctrl --resetconfig
After issuing the micctrl --resetconfig command a lot of users are created on the phi system:wc -l /opt/intel/mic/filesystem/mic0/etc/passwd show 363 entires e.g. users, however the /etc/passwd file...
View ArticleUID larger than 65535 not parsed by micctrl --resetconfig
When creating users for the MIC I have discovered that users with UID higher than 65535 are skipped.This prevents a lot of my users to become included in the access list and passed file created for the...
View Articleremote process, dlopen() failed undefined symbol:
Full message:On the remote process, dlopen() failed. The error message sent back from the sink is /var/volatile/tmp/coi_procs/1/5414/load_lib/ifortoutjAzgEs: undefined symbol: cdata_ offload error:...
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micflash hangs of Ubuntu 12.04
With slight modification to the Makefiles, I was able to compile most of the MPSS 3.1.1 and 3.1.2 components from the source o n Ubuntu 12.04 and have them working. However, micflash -ubpdate is...
View ArticleCompiling Windows Static Library for MIC
Hi,I am trying to create a static library that uses mic offload feature, but run into a xlib error as below:BuildVersionIncrement: BuildVersionIncrement disabled. 1>------ Build started: Project:...
View Articleperformance of SCIF RMA
I tried to use SCIF RMA to exchange a large amount of data between two MICs but find it's almost impossible to align memory address of both card to 4K page.Using memory exchange through host gives me...
View ArticleMPI fabric "dapl" works between mic0 and mic1, but not between localhost and...
I am trying to execute the Intel MPI benchmark in the following configuration: CentOS 6.5 with Intel MPI version 4.1.3.045 and MPSS 3.1.2, and OFED 1.5.4.1 installed from source. My network...
View ArticleSetting up one common NFS server for mic on multiple hosts.
I have four servers each hosting two phi cards. So far each of the servers export a volume using NFS which is mounted on the phis. This works quite well except that one would like the NFS server to be...
View Articlemic frequency
Hi,I am trying to get the phi to run at its fastest clock, after looking at the following , it seems the phi is not running at its fastest clock.~ # cat...
View ArticleJoin the Webinar: Empowering Oil and Gas Applications for Intel® Xeon® and...
Subject: Join us at a webinar - Empowering Oil and Gas Applications for Intel® Xeon® and Intel® Xeon PHI™ architectures using Intel® Software SolutionsWhen: Jan 15th 2014 8:00 AM - 9:00 AM...
View Articleoffload error: process on the device 0 was terminated by signal 11 (SIGSEGV)
Hi!I have tried to use tree threads for CPU and MIC cooperation.But there is error "offload error: process on the device 0 was terminated by signal 11 (SIGSEGV)"The compile operation is "ifort mic.f90...
View ArticleOffload more than 2MB
hi,I'm new to the MIC and allready run in a problem. I'm using the offlaod execution model to offload 3 float array to the Mic. Everything works till one of the array exceeds 2MB. If this happens the...
View ArticleMKL not finding mics
mic0: online (mode: linux image: /lib/firmware/mic/uos.img)mic1: online (mode: linux image: /lib/firmware/mic/uos.img) ifort version 14.0.1ifort -o dgemm-test.x -openmp dgemm-test.f90 -mkl -offload...
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