[mythtv-users] SMP Performance
myth at dermanouelian.com
Mon Dec 11 06:26:44 UTC 2006
On Dec 10, 2006, at 10:10 PM, Greg Grotsky wrote:
> On 12/10/06, Brad DerManouelian <myth at dermanouelian.com> wrote:
> On Dec 10, 2006, at 1:37 PM, Greg Grotsky wrote:
> I just upgraded my system to a new kernel (2.6.18-1.2239.fc5) and
> new nvidia drivers (9631). kernel deinterlace gives me 105% on
> mythfronend and 25% on xorg. linear deinterlace is the same as it
> was before. This is the reason I ended up upgrade my AMD 64 3200+
> system. I was tired of trouble-shooting XvMC and OpenGL settings to
> get something that worked. Now it works, just chews up all my CPU.
> I am using an nVidia 6600-OC card. It's PCI-Express. I just kept
> throwing money at the machine until I could watch HD without
> stuttering. My time was worth more to me than the cash I was
> spending on it. This is also the reason I don't run svn. I get too
> frustrated when things break so I'm using up to date .20 from ATrpms.
> Geesus! It sounds like your system should be kickin'-fast, you
> should be able to do picture-in-picture with two 1080i streams!
> You really don't need two cores to do a single HD stream... maybe
> the problem is FC, but then, I've always had a distaste for Red
> Hat. Have you tried another distro? That does sound like a lot of
> money. What motherboard, what kind of memory, how fast, how much?
> Those items and possibly the OS is really all that seems to stand
> in your way to speed. I'm using a MSI Neo2 Platinum the one with
> NForce3 Ultra chipset, I have a gig of micron low latency DDR.
It's an Asus A8N-SLI motherboard with 1.5GB of PC-3200 memory. Never
tried another distro.
> Did you check to see if your using NvAGP? That could be killing
> you too. I think there are only certain chipsets that support it
> so check the doc first. But to get it working if it's not, put
> agp=off in your boot string and put NvAGP=1 in your xorg.conf.
> Then when X loads, if possible, you'll be running with NvAGP.
I'll give that a try on my next reboot and see how it goes.
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