Re: Is this a good use for "compile"

[Matt Wette]

On 02/18/2018 01:56 PM, Mark Carter wrote:
> New scheme user here.
>
> Suppose I'm writing a spreadsheet. The user inputs a formula for a cell.
>
> The plan is to use guile's peg parser to convert the formula into a 
> lambda expression, which I then compile in order to speed-up 
> subsequent processing.
>
> So, suppose I convert the user's formula to a list, which turns out to 
> be, for example: '(lambda (x) (+ x 13)) and compile it and save it in 
> a formula table:
>
> (hash-set! my-cell-formulae some-cell-ref (compile '(lambda (x) (+ x 
> 13))))
>
> So I can I expect a speed-up by having done the compile, as opposed to 
> an eval?
>
> I assume the answer is "yes", but I wanted to check

It is not clear to me how this will work.  First of all, compile may 
generate machine-dependent code.  Second, how do you propose to evaluate 
my-cell-formulae ?