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put this into /usr/include/asm/timex.h - no need actually
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#ifndef _ARCH_ARMV7L_H
#define _ARCH_ARMV7L_H
#ifdef __cplusplus
extern "C" {
#endif
#define mb() asm volatile("dmb":::"memory")
#include <stdlib.h>
#include <sys/time.h>
typedef unsigned long long cycles_t;
static inline cycles_t get_cycles (void)
{
cycles_t thetime;
struct timeval tv;
if (gettimeofday(&tv, NULL) != 0)
return 0;
thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec);
return (cycles_t)thetime;
}
#ifdef __cplusplus
}
#endif
#endif /* _ARCH_ARMV7L_H */ |
configure and deploy on the head node
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sudo apt-get install byacc cd mvapich2-2.1 ./configure --enable-fast=all,O3 --enable-shared --enable-threads=multiple --enable-cuda=basic --disable-fortran --disable-mcast --with-cuda=/usr/local/cuda --with-device=ch3:nemesis --enable-timer-type=clock_gettime #gettimeofday make make install |
make install on all nodes
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cp /usr/include/asm/timex.h /home/ubuntu/MPI/mvapich2-2.1/. for i in `seq 1 7`; do ssh ubuntu@jetson0$i "sudo mkdir -p /usr/include/asm; sudo cp /home/ubuntu/MPI/mvapich2-2.1/timex.h /usr/include/asm/timex.h; cd /home/ubuntu/MPI/mvapich2-2.1; sudo make install"; done |
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MPI Test