Store one fiber stack in a Store<T>
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This commit stores a single fiber stack in `Store<T>` as a cache to be used throughout the lifetime of the `Store`. This should help amortize the cost of allocating a stack for use in a store because the same stack can be used continuously throughout the lifetime of the `Store<T>`. This notably reduces contention on the lock used to manage the pooling allocator when possible.
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This commit stores a single fiber stack in
Store<T>as a cache to be used throughout the lifetime of theStore. This should help amortize the cost of allocating a stack for use in a store because the same stack can be used continuously throughout the lifetime of theStore<T>. This notably reduces contention on the lock used to manage the pooling allocator when possible.