33f7b24d9f
OpenMP 4.0 "target" directives. This will need more work for generality, but we want to get it out and visible to the community. llvm-svn: 205909
68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.txt for details.
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//
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//===----------------------------------------------------------------------===//
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#include "offload_timer.h"
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#include "offload_target.h"
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#ifdef __INTEL_COMPILER
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#include <ia32intrin.h>
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#else // __INTEL_COMPILER
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#include <x86intrin.h>
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#endif // __INTEL_COMPILER
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int timer_enabled = 0;
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#ifdef TIMING_SUPPORT
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#if defined(LINUX) || defined(FREEBSD)
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static __thread OffloadTargetTimerData timer_data;
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#else // WINNT
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static __declspec(thread) OffloadTargetTimerData timer_data;
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#endif // defined(LINUX) || defined(FREEBSD)
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void offload_timer_start(
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OffloadTargetPhase p_type
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)
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{
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timer_data.phases[p_type].start = _rdtsc();
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}
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void offload_timer_stop(
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OffloadTargetPhase p_type
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)
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{
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timer_data.phases[p_type].total += _rdtsc() -
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timer_data.phases[p_type].start;
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}
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void offload_timer_init()
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{
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memset(&timer_data, 0, sizeof(OffloadTargetTimerData));
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}
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void offload_timer_fill_target_data(
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void *buf
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)
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{
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uint64_t *data = (uint64_t*) buf;
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timer_data.frequency = mic_frequency;
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memcpy(data++, &(timer_data.frequency), sizeof(uint64_t));
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for (int i = 0; i < c_offload_target_max_phase; i++) {
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memcpy(data++, &(timer_data.phases[i].total), sizeof(uint64_t));
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}
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}
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#endif // TIMING_SUPPORT
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