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In the period prior to the launch of Intel® Xeon Phi™ coprocessor, Intel collected questions from developers who had been involved in pilot testing. This document contains some of the most common questions asked. Additional information and Best-Know-Methods for the Intel Xeon Phi coprocessor can be found here.

I am seeing long term (few days) stability issues with our Xeon Phi.

First of all, the card runs fine after freshly reboot and we can (productively) run code on it, look at the code with VTune, perf, etc. Everything is fine during the week.

However, if left unused over the weekend it crashes requiring a system shutdown to clear. Messages from dmesg:

My code has two versions, one using the pragma offload, the other using cilk offload. Now I want to simplify the codes such that the common functions and constants  are put in the same files. Can this be achieved through conditional compilation? Something like:

#if MACRO_PRAGMA

#pragma offload_attribute(push,target(mic))

#else //MACRO_CILK

#pragma offload_attribute(push,_Cilk_shared)

#endif