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From: Rafael Silva <rafaeloliveira.cs@gmail.com>
To: Taylor Blau <me@ttaylorr.com>
Cc: git@vger.kernel.org, Stefan Beller <stefanbeller@gmail.com>,
	Junio C Hamano <gitster@pobox.com>,
	Derrick Stolee <stolee@gmail.com>
Subject: Re: [PATCH 1/1] blame: remove unnecessary use of get_commit_info()
Date: Tue, 16 Feb 2021 23:25:40 +0100	[thread overview]
Message-ID: <gohp6kpn0z7j2b.fsf@cpm12071.fritz.box> (raw)
In-Reply-To: <YCv8nvJ6faO7esoj@nand.local>


Taylor Blau <me@ttaylorr.com> writes:

> On Tue, Feb 16, 2021 at 05:31:51PM +0100, Rafael Silva wrote:
>> When `git blame --color-by-age`, the determine_line_heat() is called to
>> select how to color the output based on the commit author's date.  It
>> uses the get_commit_info() to parse the information into a `commit_info`
>> structure, however, this is actually unnecessary because the
>> determine_line_heat() caller also does the same.
>
> Interesting. It looks like this micro-optimization could have been
> safely performed as early as 25d5f52901 (builtin/blame: highlight
> recently changed lines, 2018-04-23), which is when this feature was
> originally introduced.
>
> I looked at 25d5f52901 to see if there was any reason that we didn't at
> the time, but couldn't find anything.
>
> So this looks correct to me. I'm a little disappointed that some of
> your more detailed performance numbers from the cover letter didn't make
> it into the patch description, but it may not be worth belaboring the
> point further.
>
>     Reviewed-by: Taylor Blau <me@ttaylorr.com>
>

Thanks for reviewing this patch.

I wasn't sure whether adding the performance number into the patch was a
good idea or not.  After reading your message and the response from
Derrick and Junio, I'll definitely re-roll this patch adding those
information.

> Thanks,
> Taylor

-- 
Thanks
Rafael

  reply	other threads:[~2021-02-16 22:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-16 16:31 [PATCH 0/1] blame: remove unnecessary use of get_commit_info() Rafael Silva
2021-02-16 16:31 ` [PATCH 1/1] " Rafael Silva
2021-02-16 17:10   ` Taylor Blau
2021-02-16 22:25     ` Rafael Silva [this message]
2021-02-16 18:35 ` [PATCH 0/1] " Derrick Stolee
2021-02-16 19:45   ` Junio C Hamano
2021-02-17 14:42   ` Rafael Silva
2021-02-17 14:54 ` [PATCH v2 " Rafael Silva
2021-02-17 14:54   ` [PATCH v2 1/1] " Rafael Silva

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