From: "Linus Björnstam" <linus.internet@fastmail.se>
To: "Frank Terbeck" <ft@bewatermyfriend.org>
Cc: guile-user@gnu.org
Subject: Re: SRFI-151 (Bitwise Operations) Implementation
Date: Thu, 09 Jan 2020 13:13:20 +0100 [thread overview]
Message-ID: <ff9fe19f-9200-4859-8331-77a6a1376a78@www.fastmail.com> (raw)
In-Reply-To: <87r2092dxa.fsf@ft.bewatermyfriend.org>
Your bitwise-nand etc takes more arguments than they have to. They are 2-argument procedures according to the spec, which gives you better performance than the apply-dance you are doing now. Maybe have a bitwise-nand and a bitwise-nand*?
--
Linus Björnstam
On Thu, 9 Jan 2020, at 10:10, Frank Terbeck wrote:
> Hi Linus!
>
> Linus Björnstam wrote:
> > I have a port of the SRFI code as well, using renaming of guile and srfi-60
> > procedures as necessary.
>
> I see! I did mine from scratch, while reading the spec.
>
>
> > It has the make-bitwise-generator from srfi-151.
>
> Interesting. I thought the generators were part of some disjoint type.
> After seeing the iterator you implemented, I actually took a look at
> SRFI-121 and indeed: “They are just procedures that conform to a calling
> convention, so you can construct a generator with lambda.”
>
> I guess I'll do the same for now! Thanks for letting me know. :)
>
>
> Regards, Frank
>
next prev parent reply other threads:[~2020-01-09 12:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-09 4:28 SRFI-151 (Bitwise Operations) Implementation Frank Terbeck
2020-01-09 6:50 ` Zelphir Kaltstahl
2020-01-09 7:15 ` Linus Björnstam
2020-01-09 9:10 ` Frank Terbeck
2020-01-09 12:13 ` Linus Björnstam [this message]
2020-01-09 12:52 ` Frank Terbeck
2020-01-09 17:50 ` John Cowan
2020-01-09 18:26 ` Frank Terbeck
2020-01-09 20:45 ` Linus Björnstam
2020-01-10 5:15 ` Frank Terbeck
2020-01-10 6:59 ` Linus Björnstam
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