喵喵小喵喵
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今日底裤继续踩坑:
networkd 的 IPMasquerade 是 address-based 不是 interface-based,做法是在 postrouting 里检查了一下地址是不是在这个 interface 的网段上...
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Forwarded from Hacker News (yahnc_bot)
The long road to lazy preemption in the Linux CPU scheduler https://lwn.net/SubscriberLink/994322/45aa5211a50bc63a/
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https://prng.di.unimi.it/
"Note that sometimes convincing the compiler to vectorize is a slightly quirky process: for example, on gcc 12.2.1 I have to use -O3 -fdisable-tree-cunrolli -march=native to vectorize xoshiro256-based generators (-O3 alone will not vectorize; thanks to to Chris Elrod for pointing me at -fdisable-tree-cunrolli)."
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