Ahh, it was ACPI support in 2.6, with pci=noacpi multithreading works even better under 2.6, SMP and HT.

Please commit, thanks.

----- Original Message ----- From: "Debabrata Banerjee" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, February 22, 2005 12:40 AM
Subject: [mythtv] [PATCH] Multithreading ffmpeg support



This patch allows you to select between 1 and 8 threads for ffmpeg to split
into while encoding mpeg-4. I've been running this on FC1/.15 since the
middle of last year, quite a remarkable improvement for SMP machines.


I recently upgraded to FC3/.17 on the same box and the results aren't quite
as spectacular (and not very easy to monitor the way 2.6 lists processes).
If anyone knows why it's not as good on the new platform let me know :(


Thanks,
Debabrata




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