Starting the kdbus discussions

[Thiago Macieira]

On sexta-feira, 17 de janeiro de 2014 14:27:38, Lukasz Skalski wrote:
> +--------------+--------------------+--------------------+
> |              |    Elapsed time    |    Elapsed time    |
> |
> | Message size |  GLIB WITH KDBUS   | GLIB + DBUS_DAEMON |
> |
> |              |      SUPPORT       |                    |
> +--------------+--------------------+--------------------+
> | 1000 x 4kB   |     1.351737 s     |     1.870417 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 8kB   |     1.349266 s     |     1.857693 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 16kB  |     1.383427 s     |     2.219304 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 32kB  |     1.358608 s     |     2.542795 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 64kB  |     1.878409 s     |     3.062035 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 128kB |     2.265555 s     |     4.043454 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 256kB |     3.112191 s     |     6.657750 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 512kB |     3.383699 s     |    11.400224 s     |
> +--------------+--------------------+--------------------+
> | 1000 x 1MB   |     4.703610 s     |    19.041988 s     |
> +--------------+--------------------+--------------------+

Thanks Lukasz

Looks like the old code takes linear time related to the message size, but the 
new code takes constant time up to 32kB, which is bigger than most reasonable 
message sizes. That's great news.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel Open Source Technology Center
      PGP/GPG: 0x6EF45358; fingerprint:
      E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358
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