C++ Logo

sg7

Advanced search

Re: [isocpp-lib-ext] SG7 Meeting P1240R2 part 2 on February 23th at 16:00 UTC

From: Matus Chochlik <chochlik_at_[hidden]>
Date: Tue, 22 Feb 2022 11:15:11 +0100
Hi Jonathan,

I'll try to adjust the theme and re-generate the PDF. In the evening. Right
now I'm not at the computer with the LaTeX setup.

On Tue, Feb 22, 2022 at 11:08 AM Jonathan O'Connor via SG7 <
sg7_at_[hidden]> wrote:

> Matus, is there a way to print the Value-based-vs-type-based PDF with a
> white background. I don't think I have that much toner, and I like to print
> out these documents and then annotate them in pencil.
>
> Regards,
> Jonathan
> Mobile: +353 86 824 9736
>
>
> ------- Original Message -------
> On Tuesday, February 22nd, 2022 at 06:41, Matus Chochlik via SG7 <
> sg7_at_[hidden]> wrote:
>
> Hi SG7
>
> On Tue, Feb 8, 2022 at 11:17 AM Hana Dusíková via Lib-Ext <
> lib-ext_at_[hidden]> wrote:
>
>> Hello wonderful SG7! (and LEWG + EWG) ❤️
>>
>> We will have a reflection meeting where we will continue discussion about
>> P1240R2 (
>> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p1240r2.pdf)
>>
>> Daveed will continue with his presentation from last time.
>>
>
> If at all possible I'd like for us also to have a discussion about the
> direction and maybe some subsequent actions.
> I have made some slides comparing the "value-based" (VB, aka
> "non-hana-consteval") vs. "type-based" (TB, I guess "hana-consteval")
> reflection designs and also quite a lot of measurements of
> compilation-times:
>
> https://matus-chochlik.github.io/mirror/latex/value_vs_type_based.pdf
>
> Some of the rationale for the current design is backed by claims that:
> 1) the TB design results in 2 orders of magnitude longer compile-times
> compared to VB and even that the TB case exhibits exponential growth in
> compile time while the VB case doesn't.
> 2) STL algorithms can be reused with the VB API (vector<meta::info>)
> without any change.
>
> The measurements don't show the former and the latter is true only for
> cases that don't involve splicing.
> As I have already mentioned; anecdotally 9 out of 10 use-cases that I have
> implemented actually do require splicing.
>
> I'd like to see if we have consensus on the current direction (ideally by
> doing another vote on that).
>
>
>> *⚡️ Meeting will start February 23th (Wednesday) at 16:00 UTC (11am EST,
>> 8am PCT, 17:00 CET) over zoom:*
>>
>> https://iso.zoom.us/j/97957398677?pwd=OWRQSGtJbDhpUmN2bVBlZ0htN24xdz09
>>
>> 🕠 Expected duration for this meeting will be hour and half.
>>
>
> --Matus
>
>
> --
> SG7 mailing list
> SG7_at_[hidden]
> https://lists.isocpp.org/mailman/listinfo.cgi/sg7
>

Received on 2022-02-22 10:15:23