From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: John Cowan Newsgroups: gmane.lisp.guile.devel Subject: Re: [PATCH] add SRFI: srfi-121; generators Date: Mon, 25 Jan 2021 22:29:50 -0500 Message-ID: References: <87r1mcfozv.fsf@netris.org> <87lfckf9ac.fsf@netris.org> Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="0000000000001efaa105b9c5451c" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38876"; mail-complaints-to="usenet@ciao.gmane.io" Cc: srfi , Shiro Kawai , "Arthur A. Gleckler" , guile-devel@gnu.org To: Mark H Weaver Original-X-From: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Tue Jan 26 04:30:23 2021 Return-path: Envelope-to: guile-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l4F3d-0009yT-UL for guile-devel@m.gmane-mx.org; Tue, 26 Jan 2021 04:30:21 +0100 Original-Received: from localhost ([::1]:41406 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l4F3c-0004um-W0 for guile-devel@m.gmane-mx.org; Mon, 25 Jan 2021 22:30:21 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53662) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l4F3P-0004tA-AQ for guile-devel@gnu.org; Mon, 25 Jan 2021 22:30:07 -0500 Original-Received: from mail-qv1-xf32.google.com ([2607:f8b0:4864:20::f32]:45671) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l4F3N-0003Lt-1d for guile-devel@gnu.org; Mon, 25 Jan 2021 22:30:06 -0500 Original-Received: by mail-qv1-xf32.google.com with SMTP id w11so1325971qvz.12 for ; Mon, 25 Jan 2021 19:30:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccil-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XrNSLbo8Cy5UrGbtUsYs6zpSoHCOtrxBIy7QW9FSwh0=; b=wK3QjM2zRsEvC7Ymkjk9XDkRBnBMhsvqa8eSxtMJFL89r839+vd6eBJiLoJogkgWAk uiP+huHNiQtQrLQMz/M1Sj2JJ4vBnnpKu702MHgns0N3YY4o3dx9sWa9+wzvpqxxBd4A qrq3jS9wo3GSa8MSr3BJcGZd2j7RJ8P69A5s1xXjseS2JiRUzKesAAzzXog4fm1IpCzx D9aDWsk0WWzZoTAwtKouISPoxvK9CGSSM8zFITQsRlYmzPcS9Wyx9Bmn3IAUrBazBRCO 2KKxR/6WD34oTCBW+L/w7QkZJ2eS6ZB6Nlj8Bi+ahVRG54zuSfVTEkpaCJizWHwvP2yS vD4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XrNSLbo8Cy5UrGbtUsYs6zpSoHCOtrxBIy7QW9FSwh0=; b=BK86A9hTlRkqj+X0Ivh8j381yk41CrejFij2AzNk5JIOPaDpKw6L8FYJa0cyu+1e7T 10Hux4J99nRaV9sJbx7AMVew+ux9yFQGWj6Bzq5dGKNfxk/X19tTHTT9rUxo5Xr5T2rh jXHTmdlh+V4FG6txyAm/E6s6OYJIs4s+sCPsPt68asnciqPs82PVipWxGl/wtSti1Vtm OtUcPoLk7anMNvilw1z+wgspJ4oikeRpPDOxMJIwb0p+JaRxJBHmH0CLKbhcn65eNuAK Daw+snVrOBTudu2TJLBkOT+VqWb7U15irew/g4wSTPqO9wbO8BckVBPol7PTiKmst1FZ SzDg== X-Gm-Message-State: AOAM530W2oetG1tjuuhU/j2Yy7qEj1MqK/+0n+k22rybmM97l8G8bVYb ylJsE1bZfhbNGZDK0Sjv8B3W8BzziiXyYQXE5DNkSg== X-Google-Smtp-Source: ABdhPJzyr8WOR1K8kw+cXDsCYUKFme0ocBDTjmC7DbLWj7CKMWPYiNLN6yxLFrJKewVw2WHRMfJjxg9XucAHHQer7J8= X-Received: by 2002:a0c:f54c:: with SMTP id p12mr3855270qvm.35.1611631802900; Mon, 25 Jan 2021 19:30:02 -0800 (PST) In-Reply-To: <87lfckf9ac.fsf@netris.org> Received-SPF: pass client-ip=2607:f8b0:4864:20::f32; envelope-from=cowan@ccil.org; helo=mail-qv1-xf32.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Original-Sender: "guile-devel" Xref: news.gmane.io gmane.lisp.guile.devel:20650 Archived-At: --0000000000001efaa105b9c5451c Content-Type: text/plain; charset="UTF-8" Note that 121 is withdrawn, so people should implement 158. On Sat, Jan 23, 2021 at 1:38 AM Mark H Weaver wrote: > Hi Arthur, > > "Arthur A. Gleckler" writes: > > It's not a bad idea for the sample implementation to be as clear as > > possible at the expense of performance. > > I agree that it's desirable for one of the sample implementations to be > as simple and clear as possible, for the purpose of clarifying the > specification. > > > But it certainly wouldn't hurt to have a supplemental document making > > recommendations about possible performance improvements, or even a > > second implementation. > > Sounds good. For SRFIs such as 121 and 158, where efficiency is > important, I think that a second sample implementation tuned for > performance would be a useful addition. > > Regards, > Mark > --0000000000001efaa105b9c5451c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Note that 121 is withdrawn, so people should= implement 158.

On Sat, Jan 23, 2021 at 1:38 AM Mark H Weaver <mhw@netris.org> wrote:
Hi Arthur,

"Arthur A. Gleckler" <srfi@speechcode.com> writes:
> It's not a bad idea for the sample implementation to be as clear a= s
> possible at the expense of performance.

I agree that it's desirable for one of the sample implementations to be=
as simple and clear as possible, for the purpose of clarifying the
specification.

> But it certainly wouldn't hurt to have a supplemental document mak= ing
> recommendations about possible performance improvements, or even a
> second implementation.

Sounds good.=C2=A0 For SRFIs such as 121 and 158, where efficiency is
important, I think that a second sample implementation tuned for
performance would be a useful addition.

=C2=A0 =C2=A0 =C2=A0Regards,
=C2=A0 =C2=A0 =C2=A0 =C2=A0Mark
--0000000000001efaa105b9c5451c--