dispatch_timings.jl

immutable Myo{C}
    c::C
    function (::Type{Myo{C}}){C}(c)
        if 2 == 2   # expansion of @assert 2==2
	    nothing
	else 
	    throw(Base.AssertionError("2 == 2"))
	end
	return new{C}(c)
    end
end
foo() = Myo{Type{Int}}(Int)
for i=1:100;foo();end
@time for i=1:10000;foo();end                             # 1

const f32 = 0
jltype(::Val{f32}) = Float32
get_type(i) = jltype(Val{i}())
for i=1:100;get_type(f32);end
@time for i=1:10000;get_type(f32);end                     # 2

function _sortperm!(v::AbstractVector;
                   lt=isless,
                   by=identity,
                   rev::Bool=false,
                   order::Base.Ordering=Base.Order.Forward)
    order = Base.Order.ord(lt,by,rev,order)
    p = Base.Order.Perm(order, v)
end

v = rand(12)
_sortperm!(v)
@time for i=1:10000;_sortperm!(v);end                     # 3

immutable f{t}
end
(::f{t}){t}(x) = t
for i=1:1000; f{i}()(1); end
@time for i=1:1000; f{i}()(1); end                        # 4
for i = 800:1000                                          # 5
    g = f{i}()                                            # 6
    if i > 998
        @time for i=1:10000; g(Int); end
    else
        for i=1:10000; g(Int); end
    end
end