タイマ問題つづき

初代 Win95 が入っているノート(486DX4-100) があったので、試してみた。

query periodic capabilities...
Minimum Periodic Resolution     1ms
Maximum Periodic Resolution 65535ms
testing GetTickCount resolution...
Minimum Periodic Resolution     6ms
Maximum Periodic Resolution    41ms
Average Periodic Resolution 14.337243ms

testing timeGetTime resolution...
Minimum Periodic Resolution     1ms
Maximum Periodic Resolution    15ms
Average Periodic Resolution 1.036168ms

testing timeSetEvent resolution (per 1ms)...
Minimum Periodic Resolution     0ms
Maximum Periodic Resolution     5ms
Average Periodic Resolution 0.999022ms

50ms sleep ... 55ms

んー、GetTickCount のほうが timeGetTime よりだいぶ「粗い」みたい。