Spooky allocations - linked to Varargs?

General Usage Performance
4

Could it just be a missing type annotation on Vararg?

EDIT: yes, that’s it

function multinomial_fast(a, vals::Vararg{Int,N}) where N
	s = a
	ret = 1.0
	for v in vals
		s += v
		ret *= mybinomial(s,v)
	end
	return ret
end

julia> @btime multinomial($1,$2,$3,$4,$3)
  32.190 ns (1 allocation: 16 bytes)
3.6036e6

julia> @btime multinomial_fast($1,$2,$3,$4,$3)
  17.924 ns (0 allocations: 0 bytes)
3.6036e6
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