From: Matt Wette <matt.wette@gmail.com>
To: guile-user@gnu.org
Subject: Re: Is this a good use for "compile"
Date: Mon, 19 Feb 2018 09:30:57 -0800 [thread overview]
Message-ID: <996005ca-fce3-83f6-b7fb-8b21e7467c20@gmail.com> (raw)
In-Reply-To: <d5f145f3-ce31-71e4-d256-229ec21d2668@gmail.com>
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 ?
next prev parent reply other threads:[~2018-02-19 17:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-18 21:56 Is this a good use for "compile" Mark Carter
2018-02-19 17:30 ` Matt Wette [this message]
2018-02-20 0:08 ` Vítor De Araújo
2018-02-20 9:28 ` Mark Carter
-- strict thread matches above, loose matches on Subject: below --
2018-02-20 11:03 Mark Carter
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