回复：1.3 即将就绪
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MinGW 仍然只有久经考验的稳定版 3.4.5。他们没什么理由更新它。
我查看用 3.4.5 编译的 SHA 反汇编代码时，完全看不出还有任何改进空间。我无法想象怎样还能从中再榨出 8% 的性能。有没有可能 Windows 会多出 8% 的开销？它没有进行系统调用或任何类似操作，只是纯粹繁忙的计算代码，任务切换和其他维护操作会消耗掉这么多吗？
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MinGW still only has good old stable 3.4.5. There's not much reason for them to update it.
When I looked at the 3.4.5 compiled SHA disassembly, I couldn't see any room for improvement at all. I can't imagine how 8% more could be squeezed out of it. Is it possible Windows could have 8% more overhead? Not making system calls or anything, just plain busy computational code, could task switching and other housekeeping operations take away that much?