icc -mmic: x86_64-k1om-linux-ld: cannot find -lselinux

compile with "icc -mmic" failed.


x86_64-k1om-linux-ld: skipping incompatible /usr/lib64/libselinux.so when searching for -lselinux
x86_64-k1om-linux-ld: cannot find -lselinux


[root@amax gio]# find / -name libselinux.so




Should I recompile libselinux.so with "icc -mmic"?

I tried to comiple with icc -mmic, and without "-lselinux". And "setenforce 0". Then another error.

x86_64-k1om-linux-ld: warning: xxx.so, needed by yyy.so, not found (try using -rpath or -rpath-link)


I use "icc -mmic" to compile it.

Why there are so maney warnings "x86_64-k1om-linux-ld: warning: xxx.so, needed by ../glib/.libs/libglib-2.0.so, not found"?

I'm sure ../glib/.libs/libglib-2.0.so exits.

The errors caused by that?



Significant Overhead if threaded MKL is called from OpenMP parallel region


my aim is to diagonalize quadratic matrices with different sizes dxd in parallel. To this end I wrote a for  loop. In each iteration the aligned memory (dependent on the dimension d) is allocated with mkl_malloc(). The matrix is filled and afterwards dsyev is called to determine the optimal workspace size. Then I allocate the (aligned) workspace needed with mkl_malloc(), call dsyev once again to diagonalize the matrices and deallocate the memory that was used for the workspace and to store the matrix (using mkl_free()). 

CUDA7 samples failed with ICC Package ID: w_ccompxe_2015.2.180

I compiled the CUDA7 samples with IC Compiler Package ID: w_ccompxe_2015.2.180
Compiling CUDA7 Projectmap "Samples_vs2012"(144 Projects)
Active configuration: Debug x64
Using Visual C++ Compiler
========== Alles neu erstellen: 144 erfolgreich, 0 fehlerhaft, 0 übersprungen ==========

Now using Intel(R)C++ Compiler XE[IA32]
Intel(R) C++ Compiler XE for applications running on IA-32, version 15.0.2 Package ID: w_ccompxe_2015.2.179

icc linking issue

I am creating a dynamic library in linux. below is the command that was used


icpc -shared -o xxx.so ************** -static-intel -mkl -Wl,--start-group -lmkl_intel -lmkl_intel_thread -lmkl_core -liomp5 -Wl,--end-group -Wl,-Bdynamic -lm -lpthread

I am using the fft routines in mkl library. However i keep getting this errors

icpc: warning #10237: -lcilkrts linked in dynamically, static library not available
ld: QubeVuBarcodes_test.so: version node not found for symbol omp_set_nest_lock@OMP_3.0
ld: failed to set dynamic section sizes: Bad value

Regarding segmentation violation signal raised Access violation or stack overflow error

I am trying to compile hdf-4.2.11 for rhel 6; i have compiled required dependencies for hdf like zlib jpeg and szip using icc & ifort;
The configure script of HDF4 ran successfully ,

CC=$CCOMP F77=$FCOMP CXX=$CXXCOMP ./configure --prefix=$ROOT_DIR/hdf4 --with-zlib=$ROOT_DIR/zlib --with-jpeg=$ROOT_DIR/jpeg --with-szlib=$ROOT_DIR/szip

The configure log is :

Remap function, OpenCV, speed up


I am using OpenCV remap function.

But i need more speed up for my application.

Does OpenCV with IPP supports remap acceleration?

Here i can't see remap function: http://opencv.org/opencv-3-0-alpha.html

If IPP has fast remap function like opencv remap(src_mat, dst_mat, map_x, map_y), where i can see examples and try it?

Best regards Viktor.

Call-stack data collection stalls when KVM based VM is running on the Host

Hi there,

I am facing a problem while doing a system-wide callstack analysis using vtune_2015 Update 2 on an ubuntu 14.04 server.

If I start a VM(KVM based) and then do "/opt/intel/vtune_amplifier_xe/bin64/amplxe-cl -collect advanced-hotspots -knob collection-detail=stack-sampling --duration 20 -result-dir ~/intel/amplxe/projects/a/b", on the HOST, the profiling starts. Once the profiling is done amplxe always gets stuck displaying the below message

"amplxe: Executing actions  8 % Loading 'system-wide.perf' file"

Подписаться на Многопоточность