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authorDavid Herrmann <dh.herrmann@gmail.com>2015-09-29 20:56:17 +0200
committerDavid Herrmann <dh.herrmann@gmail.com>2015-09-29 20:56:17 +0200
commit6fe869c251790a0e3cef5b243169dda363723f49 (patch)
treee2793e54df1c835a1ce1984fffed3eda1b43bd9c /NEWS
parent8a9d23e4462aa19a17a3de463ff8e408656057af (diff)
sd-event: don't provide priority stability
Currently, we guarantee that if two event-sources with the same priority fire at the same time, they're always dispatched in the same order. While this might sound nice in theory, there's is little benefit in providing stability on that level. We have no control over the order the events are reported, hence, we cannot guarantee that we get notified about both at the same time. By dropping the stability guarantee, we loose roughly 10% Heap swaps in the prioq on a desktop cold-boot. Krzysztof Kotlenga even reported up to 20% on his tests. This sounds worth optimizing, so drop the stability guarantee.
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