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bug#20154: 25.0.50; json-encode-string is too slow for large strings
From: |
Dmitry Gutov |
Subject: |
bug#20154: 25.0.50; json-encode-string is too slow for large strings |
Date: |
Fri, 20 Mar 2015 16:43:36 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Thunderbird/36.0 |
On 03/20/2015 04:34 PM, Eli Zaretskii wrote:
I suggest to start with a detailed profile of the current
implementation,
Any suggestions there? By the way, I've included the example, so you can
also profile it yourself.
Here's the output of the built-in profiler, after using the current
implementation:
CPU:
- command-execute 1147 79%
- call-interactively 1147 79%
- funcall-interactively 1082 74%
- eval-last-sexp 1035 71%
- elisp--eval-last-sexp 1035 71%
- eval 1035 71%
- length 1035 71%
- json-encode-string 1035 71%
- mapconcat 874 60%
json-encode-char 571 39%
+ execute-extended-command 40 2%
+ previous-line 7 0%
+ byte-code 65 4%
- ... 298 20%
Automatic GC 298 20%
Memory:
- command-execute 255,362,537 99%
- call-interactively 255,362,537 99%
- funcall-interactively 255,349,159 99%
- eval-last-sexp 248,605,484 97%
- elisp--eval-last-sexp 248,605,484 97%
- eval 217,011,432 84%
- length 217,011,432 84%
- json-encode-string 217,011,432 84%
- mapconcat 93,689,099 36%
json-encode-char 81,784,197 32%
format 814 0%
elisp--eval-last-sexp-print-value 11,954 0%
+ elisp--preceding-sexp 2,048 0%
+ execute-extended-command 6,743,643 2%
+ previous-line 32 0%
+ byte-code 13,378 0%
+ xselect-convert-to-string 176 0%
... 0 0%
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings,
Dmitry Gutov <=
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Eli Zaretskii, 2015/03/20
- bug#20154: 25.0.50; json-encode-string is too slow for large strings, Dmitry Gutov, 2015/03/20