2019-06-02 15:48:37 +00:00
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/* Copyright (C) 2015-2019 Free Software Foundation, Inc.
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2017-10-07 00:16:47 +00:00
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Contributed by Dmitry Melnik <dm@ispras.ru>
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This file is part of the GNU Offloading and Multi Processing Library
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(libgomp).
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Libgomp is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file implements timer routines for NVPTX. It uses the %clock64 cycle
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counter. */
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#include "libgomp.h"
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/* This is set from host in plugin-nvptx.c. */
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double __nvptx_clocktick = 0;
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double
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omp_get_wtime (void)
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{
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uint64_t clock;
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asm ("mov.u64 %0, %%clock64;" : "=r" (clock));
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return clock * __nvptx_clocktick;
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}
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double
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omp_get_wtick (void)
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{
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return __nvptx_clocktick;
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}
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ialias (omp_get_wtime)
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ialias (omp_get_wtick)
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