[igushev]

DEQs also allocate internal arrays with hardcoded size only (8 in std, if I remember correctly)

[asdfasgasdgasdg]

At least in libc++ it's the greater of 4kB or 16 * sizeof(value_type). That's the default, it is configurable. 8 would be a pretty unfortunate design choice.

[temac]

Can you also benchmark against std::deque?