ayo
7c5d3c9157
Add native K/M/RR inference engines, HIP kernels, replay and validation harnesses, and Windows DLSS setup and runtime support. Include GPU profiling tools, build and packaging scripts, platform integration patches, and implementation documentation.
24 lines
894 B
C++
24 lines
894 B
C++
#pragma once
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#include <windows.h>
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#include <cstdint>
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// MinGW's Win32 std::sleep_for can truncate submillisecond durations to zero.
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// NtDelayExecution retains 100 ns precision and actually sleeps under Wine.
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inline void d4r_sleep_us(unsigned int microseconds)
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{
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using Delay = LONG(WINAPI*)(BOOLEAN, LARGE_INTEGER*);
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static const auto delay = reinterpret_cast<Delay>(reinterpret_cast<void*>(
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GetProcAddress(GetModuleHandleW(L"ntdll.dll"), "NtDelayExecution")));
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if (microseconds == 0)
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{
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SwitchToThread();
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return;
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}
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LARGE_INTEGER interval;
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interval.QuadPart = -static_cast<LONGLONG>(microseconds) * 10;
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if (delay != nullptr && delay(FALSE, &interval) >= 0)
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return;
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// A rounded-up millisecond wait still releases the CPU if ntdll is absent.
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Sleep(static_cast<DWORD>((static_cast<uint64_t>(microseconds) + 999) / 1000));
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}
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