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From: Dragan Simic <dsimic@manjaro.org>
To: Junio C Hamano <gitster@pobox.com>
Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Eric Sunshine <sunshine@sunshineco.com>,
	James Liu <james@jamesliu.io>,
	git@vger.kernel.org
Subject: Re: Re* Re* [PATCH v4 0/3] advice: add "all" option to disable all hints
Date: Tue, 07 May 2024 06:45:17 +0200	[thread overview]
Message-ID: <68570a52a2f316eca9444d82d36d7aaf@manjaro.org> (raw)
In-Reply-To: <xmqqikzqwjyb.fsf@gitster.g>

On 2024-05-07 02:21, Junio C Hamano wrote:
> Dragan Simic <dsimic@manjaro.org> writes:
> 
>> See, the creation factor is described in the documentation as some 
>> fudge
>> factor, specified as a percentage.  Without going through the actual
>> source code in detail, a question that pops up in my mind is why do we
>> need to use 999 or 9999 as the new default value?  Shouldn't 99 or 100
>> be good enough instead, if it's a percentage?  I'd assume that the 
>> same
>> question might be asked by other Git users.
> 
> It is very much deliberate to choose a value beyond 100.  Setting
> the value to such a large value was designed to force somebody to
> ask that question: "what does the value mean?" [*], and in a sense
> it already has achieved one half of its objective ;-).

Ah, I see, it's also meant to provoke users' curiosity a bit. :)

> We never had an satisfactory update to the range-diff documentation
> when we discussed this parameter in the past.  It was stated that
> the unit to express the value for creation-factor was called
> "percent", but it seems that nobody had a good explanation that can
> be given to a layperson what that percent means (e.g., what is it
> relative to?  what it means to have that value at 100% as opposed to
> say 50%?).  Somebody should come up with an easy-to-understand
> explanation suitable for users after reading and digesting the
> overly technical "algorithm" section of the manual, and forcing
> ourselves to do a good job at it is the other half of its objective.

Yes, the whole percentage thing is a bit unclear.  I'm going through
the ALGORITHM section of the git-range-diff(1) man page, which could
also use some wording and formatting improvements.  I'll see to send
a patch that improves it a bit later.

> [Footnote]
> 
>  * Having more than 100 as a value that is measured in "percent" is
>    not unusual, by the way.  You can zoom into a picture at
>    magnification level of 400%, for example.

Of course.  For example, I use 120% as the default scaling in my web
browser, to compensate for the rather high value of the screen DPI.

  reply	other threads:[~2024-05-07  4:45 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-24  3:58 [PATCH 0/2] advice: add "all" option to disable all hints James Liu
2024-04-24  3:58 ` [PATCH 1/2] advice: allow advice type to be provided in tests James Liu
2024-04-24  5:28   ` Patrick Steinhardt
2024-04-24  3:58 ` [PATCH 2/2] advice: add "all" option to disable all hints James Liu
2024-04-24  5:29   ` Patrick Steinhardt
2024-04-24  6:28 ` [PATCH 0/2] " Junio C Hamano
2024-04-24  6:48   ` Patrick Steinhardt
2024-04-24 13:52     ` Phillip Wood
2024-04-24 14:07       ` Patrick Steinhardt
2024-04-24 14:59         ` Junio C Hamano
2024-04-25  6:46           ` Patrick Steinhardt
2024-04-25 16:18             ` Junio C Hamano
2024-04-24 16:14         ` Dragan Simic
2024-04-24 16:21           ` Dragan Simic
2024-04-24 14:31     ` Junio C Hamano
2024-04-25  6:42       ` Patrick Steinhardt
2024-04-24  7:37   ` Dragan Simic
2024-04-29  1:09 ` [PATCH v2 0/1] advice: add --no-advice global option James Liu
2024-04-29  1:09   ` [PATCH v2 1/1] " James Liu
2024-04-29  4:15     ` Dragan Simic
2024-04-29  5:01       ` James Liu
2024-04-29  5:36         ` Dragan Simic
2024-04-29  5:59           ` Dragan Simic
2024-04-29  6:04             ` Eric Sunshine
2024-04-29  6:12               ` Dragan Simic
2024-04-29  6:40         ` Jeff King
2024-04-29  6:55           ` Dragan Simic
2024-04-29 13:50           ` Junio C Hamano
2024-04-30  0:56           ` James Liu
2024-04-29 13:48       ` Junio C Hamano
2024-04-29 17:05     ` Rubén Justo
2024-04-29 17:54       ` Dragan Simic
2024-04-30  1:47   ` [PATCH v3 0/1] " James Liu
2024-04-30  1:47     ` [PATCH v3 1/1] " James Liu
2024-04-30  5:18       ` Patrick Steinhardt
2024-04-30  6:24         ` Dragan Simic
2024-04-30 16:29       ` Junio C Hamano
2024-05-03  7:17     ` [PATCH v4 0/3] advice: add "all" option to disable all hints James Liu
2024-05-03  7:17       ` [PATCH v4 1/3] doc: clean up usage documentation for --no-* opts James Liu
2024-05-03 17:30         ` Junio C Hamano
2024-05-06  1:39           ` James Liu
2024-05-03  7:17       ` [PATCH v4 2/3] doc: add spacing around paginate options James Liu
2024-05-03 14:32         ` Karthik Nayak
2024-05-03 17:36           ` Junio C Hamano
2024-05-03  7:17       ` [PATCH v4 3/3] advice: add --no-advice global option James Liu
2024-05-08  0:40         ` [PATCH v4 4/3] t0018: two small fixes Junio C Hamano
2024-05-03  7:31       ` [PATCH v4 0/3] advice: add "all" option to disable all hints Dragan Simic
2024-05-03 18:00         ` Re* " Junio C Hamano
2024-05-03 19:26           ` Eric Sunshine
2024-05-03 19:48             ` Junio C Hamano
2024-05-03 20:08               ` Junio C Hamano
2024-05-03 21:24                 ` Eric Sunshine
2024-05-05 11:03                   ` Johannes Schindelin
2024-05-06 16:40                     ` Re* " Junio C Hamano
2024-05-07  0:11                       ` Dragan Simic
2024-05-07  0:21                         ` Junio C Hamano
2024-05-07  4:45                           ` Dragan Simic [this message]
2024-05-07  0:01                   ` Dragan Simic
2024-05-03 14:35       ` Karthik Nayak
2024-05-05 23:17         ` James Liu
2024-05-03 17:25       ` Junio C Hamano
2024-05-05 23:20         ` James Liu
2024-05-06  1:10           ` James Liu
2024-05-06 16:47             ` Junio C Hamano
2024-05-06 23:08               ` James Liu
2024-05-07  6:23                 ` Karthik Nayak
2024-05-06 16:41           ` Junio C Hamano

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