The macro matters only for objects stored in HeapVector<T> (i.e. Oilpan). So you don't need to export the macro outside Blink :)
2021年11月3日(水) 8:04 Xianzhu Wang <[email protected]>: > Hi, > > I'm migrating blink to use gfx geometry types, and noticed > that WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS is applied to blink > geometry types. It seems to optimize performance of Vector<Type>. > > I have the following questions: > > 1. For a type defined out of blink, how do we force users to include a > header delaring WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(Type)? > I'm thinking of putting it in vector_traits.h > <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/wtf/vector_traits.h>, > but I would like to know if there are better ways. > > 2. Do we have data showing the performance difference with and without > WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS? > > Thanks, > Xianzhu > > > -- > You received this message because you are subscribed to the Google Groups > "blink-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADBxriepZahOVJfzQseAyFfkjUPUgLWovXrKUYH54UGY6K2mEw%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CADBxriepZahOVJfzQseAyFfkjUPUgLWovXrKUYH54UGY6K2mEw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CABg10jxn-cipEGf%2BU04WVa3UNqLmqmFcX55dWCPy_KK6huAe3A%40mail.gmail.com.
