Questions tagged [intel-mic]

Intel Many Integrated Core Architecture

Intel MIC (Intel Many Integrated Core Architecture) is a coprocessor computer architecture developed by Intel and used in Intel Xeon Phi processor product family.

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Using pointers with "into" in Intel Xeon Phi offload directive

According to the book "Intel Xeon Phi Coprocessor High-Performance Programming", we can move data from one variable to another. I tried to follow the example and I found it worked: Code: program example real , target ::…
Archeosudoerus
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Memory transfer overhead to and from an Intel MIC

I'm observing a strange behavior and would like to know if it is Intel Xeon Phi related or not. I have a little example code basically the matrix multiplication everyone knows (three nested for loops). I offload the computation to an Intel MIC with…
Michael Haidl
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Number of multiplications per clock cycle on Intel Xeon Phi

In Intel Xeon Phi there are 32 512-bit-wide vector registers per core. Each vector register can do 16 single precision floating point operation per cycle. And 2 operations can be done in 1 cycle (1 in the v-pipe and 1 in the u-pipe). I want to know…
arunmoezhi
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High performance implement of atomic minimal operation

There is no atomic minimal operation in OpenMP, also no intrinsic in Intel MIC's instruction set. #pragmma omp critial is very insufficient in the performance. I want to know if there is a high performance implement of atomic minimal for Intel MIC.
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Ways to accelerate reduce operation on Xeon CPU, GPU and Xeon Phi

I have an application where reduce operations (like sum, max) on a large matrix are bottleneck. I need to make this as fast as possible. Are there vector instructions in mkl to do that? Is there a special hardware unit to deal with it on xeon cpu,…
hrs
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Intel C++ compiler gives "offload constructs are not supported on this platform" error

When compiling a basic code segment on windows (using visual studio) that uses the _Cilk_offload keyword, the compiler throws error : offload constructs are not supported on this platform on all lines with _Cilk_offload and _Cilk_shared (compiled…
NathanFrasier
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