11/06/25 18:39:30.70
Win32のCRTにある_beginthread。
生成は0.1[ms]未満、実行開始はコンパイラかライブラリに依存で0.1[ms]台からに訂正。
#include <Windows.h>
#include <stdio.h>
#include <process.h>
struct perf {LARGE_INTEGER freq;LARGE_INTEGER t0;};void __cdecl thread(void *
pArg){perf *pperf;LARGE_INTEGER t1, d;QueryPerformanceCounter(&t1);pperf = (perf
*)pArg;printf("thread: %I64d\n",t1.QuadPart-pperf->t0.QuadPart);}int main(){
LARGE_INTEGER f={0}, t0, t1, d;perf perf;QueryPerformanceFrequency(&f);printf(
"freq: %I64d\n", f.QuadPart);perf.freq = f;QueryPerformanceCounter(&t0);perf.t0
= t0;_beginthread(thread, 0, &perf);QueryPerformanceCounter(&t1);printf(
"main: %I64d\n", t1.QuadPart-t0.QuadPart);Sleep(1000);return 0;}