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Tpf swings on restart.

post #1 of 13
Thread Starter 
It seems that every time I restart my computer in the middle of a wu it's a crap-shoot for what my tpf will be, varying between 1:04:40-1:06:15 for a 6904. I started to notice this about 3ish weeks ago, and other than 6904's I've had 1 6900 and I didn't notice any tpf swing when I restarted in the middle of it. Once I finish a unit and get a new unit the tpf is usually within seconds of the last wu. Has anyone else noticed this on either the 6904's or any other unit, or speculate why it could be happening?
 
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post #2 of 13
I imagine its just margin of error in the time estimate from rebooting
post #3 of 13
depends how many calcs you've lost since the last time the client saved it's progress if you don't shut the client down gracefully.
post #4 of 13
Thread Starter 
It's not just the first frame after a reboot, it's all the subsequent frames as well.

Before I rebooted, tpf of ~64:42
Code:
[11:33:37] Completed 102500 out of 250000 steps  (41%)
[12:38:26] Completed 105000 out of 250000 steps  (42%)
[13:43:10] Completed 107500 out of 250000 steps  (43%)
[14:47:53] Completed 110000 out of 250000 steps  (44%)
[15:52:33] Completed 112500 out of 250000 steps  (45%)
[16:57:16] Completed 115000 out of 250000 steps  (46%)
First reboot, tpf ~66:10
Code:
[22:42:19] Completed 127500 out of 250000 steps  (51%)
[23:48:26] Completed 130000 out of 250000 steps  (52%)
[00:54:27] Completed 132500 out of 250000 steps  (53%)
Second reboot, tpf 65:45 (only one frame for this, but it was complete)
Code:
[00:59:12] Completed 132495 out of 250000 steps  (52%)
[00:59:20] Completed 132500 out of 250000 steps  (53%)
[02:05:04] Completed 135000 out of 250000 steps  (54%)
Final reboot and what I am getting now, tpf 65:16
Code:
[08:41:38] Completed 150000 out of 250000 steps  (60%)
[09:46:46] Completed 152500 out of 250000 steps  (61%)
[10:51:59] Completed 155000 out of 250000 steps  (62%)
[11:57:15] Completed 157500 out of 250000 steps  (63%)
 
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post #5 of 13
Are you running -smp 8 or -smp?
post #6 of 13
I have a very quick solution for you. Stop rebooting!!! Are there certain times where you use your PC more than other times? That will have an effect on your TPF and PPD.

After a reboot you can not just rely on one frame. You should atleast use a 3 frame average. You have to consider all the other crap you have loading that is fighting for CPU at the same time your F@H service is starting. Most people ususlly wait to reboot their machines until they finish a WU.
Edited by Deeeebs - 8/12/11 at 8:25am
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by mach1 View Post
Are you running -smp 8 or -smp?
-smp 8

Quote:
Originally Posted by Deeeebs View Post
I have a very quick solution for you. Stop rebooting!!! Are there certain times where you use your PC more than other times? That will have an effect on your TPF and PPD.

After a reboot you can not just rely on one frame. You should atleast use a 3 frame average. You have to consider all the other crap you have loading that is fighting for CPU at the same time your F@H service is starting. Most people ususlly wait to reboot their machines until they finish a WU.
This computer is currently dedicated to folding, once it gets turned on and fah started I don't use it.

I only rebooted so I could install an 8-pin extender. As for relying on one frame, I normally would leave it over night to get more than 3 frames, but every time I have the first full frame has always been within 10sec of any frame after it.
 
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post #8 of 13
I guess the only other thing I can think of is even though your 6904 are pretty close in TPF, the RUN, CLONE, and GEN can be the same but it might be different from one 6904 to the next. This are how they simulate this protein under different circumstances. So this might play a factor in the differences of your TPF.

You still have to remember these are beta WU's and they might not have all the quirks knocked out yet.
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post #9 of 13
Thread Starter 
I may just have to chalk it up to the fact that they are beta units, as It doesn't seem to happen on any other wu.
 
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post #10 of 13
Most probably time drift problem due to OC. Try to set up timesync @ 1hr interval.
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