FM / ia32

/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/sys/ia32/

/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/sys/ia32

Name	Size	Mode	Actions
atomic.h	4414	0644	edit dl rm
timer.h	1578	0644	edit dl rm

Edit: /usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/opal/sys/ia32/timer.h (1578B)

/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2014 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#ifndef OPAL_SYS_ARCH_TIMER_H
#define OPAL_SYS_ARCH_TIMER_H 1

typedef uint64_t opal_timer_t;

/* Using RDTSC(P) results in non-monotonic timers across cores */
#undef OPAL_TIMER_MONOTONIC
#define OPAL_TIMER_MONOTONIC 0

#if OPAL_GCC_INLINE_ASSEMBLY

static inline opal_timer_t
opal_sys_timer_get_cycles(void)
{
    opal_timer_t ret;
    int tmp;

__asm__ __volatile__(
                         "xchgl %%ebx, %1\n"
                         "cpuid\n"
                         "xchgl %%ebx, %1\n"
                         "rdtsc\n"
                         : "=A"(ret), "=r"(tmp)
                         :: "ecx");

return ret;
}

#define OPAL_HAVE_SYS_TIMER_GET_CYCLES 1

#else

opal_timer_t opal_sys_timer_get_cycles(void);

#define OPAL_HAVE_SYS_TIMER_GET_CYCLES 1

#endif /* OPAL_GCC_INLINE_ASSEMBLY */

#endif /* ! OPAL_SYS_ARCH_TIMER_H */

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