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authorDave Barach <dave@barachs.net>2019-06-03 19:48:22 -0400
committerDamjan Marion <dmarion@me.com>2019-06-04 13:04:42 +0000
commitc602b384ac022f70690a3a7c711149f7cb63ad12 (patch)
treecad51d5702502d35c714b3a003d000ffe7aae4db /build
parentc424de75e561b2197d29812b3900db58a06096d7 (diff)
sort worker-thread init functions in advance
Otherwise, all N worker threads try to sort the list at the same time: a good way to have a bad day. This approach performs *far* better than maintaing order by adding a spin-lock. By direct measurement w/ elog + g2: 11 threads execute the per-thread init function list in 22us, vs. 50ms with a CLIB_PAUSE() enabled spin-lock. Change-Id: I1745f2a213c0561260139a60114dcb981e0c64e5 Signed-off-by: Dave Barach <dave@barachs.net>
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