tracy/public/common/TracyYield.hpp

#ifndef __TRACYYIELD_HPP__
#define __TRACYYIELD_HPP__

#if defined __SSE2__ || defined _M_AMD64 || (defined _M_IX86_FP && _M_IX86_FP == 2)
#  include <emmintrin.h>
#else
#  include <thread>
#endif

#include "TracyForceInline.hpp"

namespace tracy
{

static tracy_force_inline void YieldThread()
{
#if defined __SSE2__ || defined _M_AMD64 || (defined _M_IX86_FP && _M_IX86_FP == 2)
    _mm_pause();
#elif defined __aarch64__
    asm volatile( "isb" : : );
#else
    std::this_thread::yield();
#endif
}

}

#endif
Use _mm_pause() instead of std::this_thread::yield() if possible. 2019-12-31 13:59:54 +00:00			`#ifndef __TRACYYIELD_HPP__`
			`#define __TRACYYIELD_HPP__`

Check for macro existence before checking its value. 2022-09-11 11:09:59 +00:00			`#if defined __SSE2__ \|\| defined _M_AMD64 \|\| (defined _M_IX86_FP && _M_IX86_FP == 2)`
Use _mm_pause() instead of std::this_thread::yield() if possible. 2019-12-31 13:59:54 +00:00			`# include <emmintrin.h>`
			`#else`
			`# include <thread>`
			`#endif`

Move TracyYield.hpp to common. 2021-05-31 00:19:35 +00:00			`#include "TracyForceInline.hpp"`
Use _mm_pause() instead of std::this_thread::yield() if possible. 2019-12-31 13:59:54 +00:00
			`namespace tracy`
			`{`

			`static tracy_force_inline void YieldThread()`
			`{`
Check for macro existence before checking its value. 2022-09-11 11:09:59 +00:00			`#if defined __SSE2__ \|\| defined _M_AMD64 \|\| (defined _M_IX86_FP && _M_IX86_FP == 2)`
Use _mm_pause() instead of std::this_thread::yield() if possible. 2019-12-31 13:59:54 +00:00			`_mm_pause();`
On ARM64 use ISB to yield CPU in spinlocks. https://github.com/rust-lang/rust/commit/c064b6560b7ce0adeb9bbf5d7dcf12b1acb0c807 2022-06-22 23:15:55 +00:00			`#elif defined __aarch64__`
			`asm volatile( "isb" : : );`
Use _mm_pause() instead of std::this_thread::yield() if possible. 2019-12-31 13:59:54 +00:00			`#else`
			`std::this_thread::yield();`
			`#endif`
			`}`

			`}`

			`#endif`