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bug#31138: Native json slower than json.el
From: |
Eli Zaretskii |
Subject: |
bug#31138: Native json slower than json.el |
Date: |
Tue, 16 Apr 2019 18:13:53 +0300 |
> Cc: sebastien@chapu.is, yyoncho@gmail.com, 31138@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Tue, 16 Apr 2019 16:50:58 +0300
>
> All right, my test script and results are attached. Here's how I run it:
>
> sudo perf record -F 99 src/emacs -Q --batch -l ~/examples/elisp/json-test.el
> sudo perf report -n --stdio > perf-report.txt
Thanks. I think we need to run this with a larger JSON, or maybe run
it several times in a loop. Because there were too few samples in
this run, so we might see a biased picture due to overhead of stuff
that is done only once.
Also, please set gc-cons-threshold and gc-cons-percentage to very
large values, to prevent GC from biasing the profile even more.
> If you have certain recording or output format preferences, please let
> me know.
The ASCII format is fine.
Was this an optimized build of Emacs or an unoptimized one?
- bug#31138: Native json slower than json.el, Dmitry Gutov, 2019/04/15
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/15
- bug#31138: Native json slower than json.el, Dmitry Gutov, 2019/04/16
- bug#31138: Native json slower than json.el,
Eli Zaretskii <=
- bug#31138: Native json slower than json.el, Dmitry Gutov, 2019/04/16
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/16
- bug#31138: Native json slower than json.el, Dmitry Gutov, 2019/04/16
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/16
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/21
- bug#31138: Native json slower than json.el, Dmitry Gutov, 2019/04/21
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/21
- bug#31138: Native json slower than json.el, yyoncho, 2019/04/21
- bug#31138: Native json slower than json.el, Eli Zaretskii, 2019/04/21
- bug#31138: Native json slower than json.el, yyoncho, 2019/04/21