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Encoding Video - 1100T - Like a CPU Stress Test

post #1 of 11
Thread Starter 
So I've been encoding lots of DVDs to mp4 to transfer to my android phone for my upcoming vacation.

I noticed that when I'm encoding, using the Handbrake program, I'm getting a constant 97-100% usage on all cores. It's pushing core temps up around 51c. Is this safe to be running at for several hours straight?

Or should I let it rest a bit between DVDs? My friends got my copying theirs since they saw how fast my CPU does it lol -- not sure if I wanna be stressing it this much.

I've lowered my OC from 3.9ghz to 3.7ghz. Going much lower kinda defeats the point of speed though, ya know?
    
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post #2 of 11
51c under 100% load is perfectly fine, and is quite good. You can run it like that indefinitely and it'll be fine, assuming you don't use ridiculously high voltages.
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post #3 of 11
Thread Starter 
IE I've been ripping movies to my HDD all day -- and wanna just Queue them all up to be encoded overnight. But I'm a bit worried about the temps.

I had to lower my original 4.0ghz OC to 3.9ghz cuz LOTR: return of the king locked my pc up while encoding. That was a really long film at high resolution and took a long time....locked pc up around the 78% mark.

Finished successfully with no problems at 3.9ghz. Interesting tho I've never failed a prime95 at 4.0ghz I just normally don't run it cuz of the temps.
    
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by tehmaggot View Post
51c under 100% load is perfectly fine, and is quite good. You can run it like that indefinitely and it'll be fine, assuming you don't use ridiculously high voltages.
Yea I'm 3.7ghz @ 1.40v under load. Going to 4.0 ghz pushes to 1.525v load so I try to stay away from it.
    
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post #5 of 11
Your system will be perfectly fine
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post #6 of 11
Thread Starter 
Hmmm...is the Core Temp auto shutdown reliable?

Maybe ill just set core temp at a comfortable 56c auto shutdown or something.
    
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post #7 of 11
This kind of usage is exactly why stress testing is important. You are the right path with staying away from the 1.5+v though for long run encoding. It would save you a little time in the end, but the heat would be excessive and potentially harmful.
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post #8 of 11
Quote:
Originally Posted by LesPaulLover View Post
Hmmm...is the Core Temp auto shutdown reliable?

Maybe ill just set core temp at a comfortable 56c auto shutdown or something.
Yes it is, my system shutdown the other day thanks to it. Turned out my CPU fan stopped working and it must have reached what I have set which is 55C. (limit for my chip is 70C) I also have it set to 20s instead of 30s, if you are really paranoid you could even lower than to 10s.

Also this is the reason some people are anal about making sure their overclocks are 100% 24/7 stable. Because what happens when you use a program like this which stresses the CPU to the limit and you come back and find out the system is shutdown or crashed.
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post #9 of 11
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Quote:
Originally Posted by tehmaggot View Post
Your system will be perfectly fine
LOL it's my first high end rig in 4 years, and my 1st build also.

On top of that - I don't think I've ever really pushed a CPU like this one can be pushed. I'm glad I didn't wait for BD and picked up an 1100T.

Tho I did plan on upgrading. Hopefully the next series of chips will be better. It seems like very high power draw and I'm not sure I have sufficient cooling. I have an all in one liquid cooler now with after market fans on the radiator and I can't run THIS chip at 4.0ghz.

If i disable 2 cores and run as a quad I can do 4.4ghz prime95 for hours and hours...but when I run linpack, it reports 30+ Gflops LESS than 6 cores @ 3.8ghz.

******* AMD.
    
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post #10 of 11
Thread Starter 
LOL I always end up back @ 3.8ghz 1.400v. The system just "feels" best like this if you know what I mean. My NB is really high at 3000mhz tho, and my RAM @ 1666.

Guess I'll just leave it alone - if I can manage to stop myself.
    
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