>
> Looks like ccall to :jl_substrtod might be adaptable for memory efficient
> processing if the example below can be generalized.
> cheers,
> Keith
>
>
> julia> function str_ccall(N)
> mystr = ascii("1.1,2.2")
> ax=Array(Float64,1)
> sx=0
> ex=2
>
> ay=Array(Float64,1)
> sy=4
> ey=6
>
> for i in 1:N
> ccall(:jl_substrtod, Int32, (Ptr{Uint8}, Csize_t,Int,
> Ptr{Float64}),
> mystr, convert(Csize_t,sx), ex, ax)
> ccall(:jl_substrtod, Int32, (Ptr{Uint8}, Csize_t,Int,
> Ptr{Float64}),
> mystr, convert(Csize_t,sy), ey, ay)
> end
> return ax, ay
> end
> str_ccall (generic function with 1 method)
>
> julia> @time str_ccall(4)
> elapsed time: 0.005407263 seconds (165248 bytes allocated)
> ([1.1],[2.2])
>
> julia> @time str_ccall(4)
> elapsed time: 4.713e-6 seconds (208 bytes allocated)
> ([1.1],[2.2])
>
> julia> @time str_ccall(6)
> elapsed time: 1.4191e-5 seconds (208 bytes allocated)
> ([1.1],[2.2])
>
> julia> @time str_ccall(8)
> elapsed time: 6.371e-6 seconds (208 bytes allocated)
> ([1.1],[2.2])
>
