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bug#31138: Native json slower than json.el

From: Dmitry Gutov
Subject: bug#31138: Native json slower than json.el
Date: Mon, 22 Apr 2019 15:24:24 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 22.04.2019 15:12, Eli Zaretskii wrote:

Try using 'true' as the last argument of make_specified_string.

Thank you. Tried it, tests now pass, and the performance improvement is the same. I compared the same benchmark (100 iterations, GC disabled for the whole duration), and this patch takes

src/emacs -Q --batch -l ~/examples/elisp/json-test.el
Elapsed time: 51.153870s

down to

$ src/emacs -Q --batch -l ~/examples/elisp/json-test.el
Elapsed time: 26.268435s

Are you still against it? (Just checking).

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