CODEWITHSUNDEEP
c++cachingboostcoroutine
ronag
ronag

Reputation: 51263

Coroutine - Reuse?

I'm currently allocating new coroutine instances quite often (see the code in my answer here).

The overhead of this is not trivial.

I would guess that there is some way to make this cheaper by reusing the previously allocated coroutine?

Not sure how to achieve this though?

I could use a boost::pool for the coroutine Allocator. However, that will not work for the StackAllocator, which is the expensive one...

Upvotes: 2

Views: 327

Answers (1)

olk
olk

Reputation: 400

A coroutine contains a stack and a control block (preserved registers, put at the edge of the stack). You could not reuse the coroutine itself but you could write your own stack-allocator which pre-allocates and caches stacks. A newly created coroutine could re-use an already allocated stack from the cache.

Upvotes: 3

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