[mythtv-users] tests: CPU load and capture size

[Dennis Lou]

From: Ray Olszewski <ray at comarre.com>
>System: Cel 1.7 GHz, 256 MB PC133 SDRAM

PC133 SDRAM?  A bit low on the memory bandwidth,
aren't you?

>"live" TV at 320x240:   7-12% CPU "user" usage
>         backend: 2-8%
>         frontend: 2-4%
>         system: 2-5%
>
>"live" TV at 640x480:   99-100% CPU "user" usage
>         backend: 75%
>         frontend: 19%
>         system: 4%

QVGA resolution is  150kB of YV12 data per frame while
VGA resolution is 600kB.  That poor little Cel 1.7Ghz
only has 128kB of L2 cache.  Maybe you have a
memory bandwidth problem?

-Dennis



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