AMD CPU tips

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Profile Cactus Bob
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Message 1699209 - Posted: 7 Jul 2015, 4:49:17 UTC - in response to Message 1699190.  

Sounds like your doing MB's try AP's

My current RAC ,1 machine the AMD with 2 GTX 650's 22,700

the Intel does AP's faster 8 hours 20 min , currently 11 hours.12 min per unit on CPU witch is AMD FX 4350 8 core


Where is he supposed to get AP's from? It has been 4 or 5 days since SETI has split an AP. AP's do increase the RAC nicely but they are elusive little rascals. Once they become available they are the WU of choice.

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Message 1699328 - Posted: 7 Jul 2015, 20:22:35 UTC

O.K. No smoke. Six CPU WUs and four GPU WUs running. CPU temp 51C and GPU temp 77C. Averaging just shy of 20 minutes per WU on the GPU and around 124 minutes per WU on CPU. I averaged this across 10 validated units per device, RUN TIME not CPU TIME.

I optimized my Surface 3 Tablet also and it works. It will be accepting no new WUs. Too much trouble.

Thanks for all of the help!
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Message 1699347 - Posted: 7 Jul 2015, 21:24:02 UTC
Last modified: 7 Jul 2015, 21:26:17 UTC

I`m sorry to say this but you installed non HD5 version.

HD5 version is another 10% faster on your GPU.
In addition i suggest to add switch -sbs 236 to your mb_cmdline_win_x86_SSE_OpenCL_ATi_HD5.txt file.


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Profile Louis Loria II
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Message 1699358 - Posted: 7 Jul 2015, 21:37:45 UTC - in response to Message 1699347.  

Thank you. However, your instructions need to be a bit more concise. While I genuinely appreciate the help, I am an electrician, not a coder. Any help is greatly appreciated and I can follow instructions very well. Again, Thank you.
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Message 1699364 - Posted: 7 Jul 2015, 21:46:55 UTC
Last modified: 7 Jul 2015, 21:48:54 UTC

You chosse the wrong GPU app version running the Lunatics installer.

Just re rerun the Lunatics installer and make sure you install the HD5 version of the GPU app 2489.

The next step depends on your abilities.

Do you know where your seti apps are located ?

Check for a file called mb_cmdline_win_x86_SSE_OpenCL_ATi_HD5.txt

After installing the HD5 version of course.
Open with Notepad and add

-sbs 236

Save as txt.

The next task will use new values.


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Message 1699380 - Posted: 7 Jul 2015, 22:20:44 UTC - in response to Message 1699364.  

Thanks for the heads up in regards to Lunatics, that was an amateur mistake on my part. I know which GPU I am using, of course. mb_cmdline_win_x86_SSE_OpenCL_ATi_HD5.txt was blank, I added the information you provided. Everything is still working as it should as far as I can tell.

Again folks, I thank you for your help.
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Message 1699407 - Posted: 8 Jul 2015, 1:07:23 UTC

Verified my new card is en route. I am really looking forward to testing X-Fire on my PC, in my game at least. It should really kick up my RAC also. We'll see.
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Message 1699455 - Posted: 8 Jul 2015, 8:15:04 UTC

Yes, looks much better now.


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Message 1699761 - Posted: 9 Jul 2015, 6:24:20 UTC - in response to Message 1698520.  

HA, had no idea I would find this thread. I have an AMD FX-8350 (4300mhz)burning though work units at about three hours apiece. How does that compare to your Intel chip? Just curious really. I also have am AMD R9 280X burning through units at <30minutes regularly, getting ready to add another in X-Fire. Anyhow, I'm not an Intel or Apple basher, to each his own. Good Crunching guys!

(10,600RAC)currently...

Ok, I'll bite. :-D

Both my i5 rigs (both running @3.4GHz) do MB's in, VHAR's in 25-30mins, mid-range units in 55-75mins and VLAR's in 85-95mins while AP's average 5.5hrs, and that's while each CPU is also feeding 6 MB workunits at a time to their 2 (3570K) or 3 (2500K) GPU's (but 2500K needs a free core to drive its 3rd GPU, also my GPU's only do MB work, AP's are CPU only here).

In the meantime, while those i5 CPU's are doing that, they're using at least 40% less power than you're FX-8350 is while doing its thing, plus both of my rigs also serve me as my daily drivers so they must also be very snappy in their use (as I need/require them to be). :-)

I service all sorts of PC's here every week so I also know what other Intel and AMD setups perform like so I'm extremely experienced in each platform's pro's and con's which is why Intel has been my personal selection of platform hardware for this decade. AMD was for the previous 2, but they'll really need to do some serious work on their platform before I waste good $'s to build myself another 1 (the Intel power savings alone soon negates the cheaper AMD starting price point in my wallet).

Maybe the rumored AMD FX replacement might convince me otherwise (if it lives up to the promises and rumors about it). ;-)

I'd also like to point out that your FX-8350 rig with its R9 280X would use about the same amount of power as my 3570K rig with its 2 GTX 660's, you can look at its RAC easily enough here.

I'm sorry if I've blown any bubbles here, but facts are facts. :-O

Cheers.
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Message 1699885 - Posted: 9 Jul 2015, 17:37:08 UTC - in response to Message 1699761.  

HA, had no idea I would find this thread. I have an AMD FX-8350 (4300mhz)burning though work units at about three hours apiece. How does that compare to your Intel chip? Just curious really. I also have am AMD R9 280X burning through units at <30minutes regularly, getting ready to add another in X-Fire. Anyhow, I'm not an Intel or Apple basher, to each his own. Good Crunching guys!

(10,600RAC)currently...

Ok, I'll bite. :-D

Both my i5 rigs (both running @3.4GHz) do MB's in, VHAR's in 25-30mins, mid-range units in 55-75mins and VLAR's in 85-95mins while AP's average 5.5hrs, and that's while each CPU is also feeding 6 MB workunits at a time to their 2 (3570K) or 3 (2500K) GPU's (but 2500K needs a free core to drive its 3rd GPU, also my GPU's only do MB work, AP's are CPU only here).

In the meantime, while those i5 CPU's are doing that, they're using at least 40% less power than you're FX-8350 is while doing its thing, plus both of my rigs also serve me as my daily drivers so they must also be very snappy in their use (as I need/require them to be). :-)

I service all sorts of PC's here every week so I also know what other Intel and AMD setups perform like so I'm extremely experienced in each platform's pro's and con's which is why Intel has been my personal selection of platform hardware for this decade. AMD was for the previous 2, but they'll really need to do some serious work on their platform before I waste good $'s to build myself another 1 (the Intel power savings alone soon negates the cheaper AMD starting price point in my wallet).

Maybe the rumored AMD FX replacement might convince me otherwise (if it lives up to the promises and rumors about it). ;-)

I'd also like to point out that your FX-8350 rig with its R9 280X would use about the same amount of power as my 3570K rig with its 2 GTX 660's, you can look at its RAC easily enough here.

I'm sorry if I've blown any bubbles here, but facts are facts. :-O

Cheers.

You hit most of the things I had also mentioned comparing the two.

I think the main idea of this thread was more to indicate how to make the best use of AMD CPUs. I suppose like the differences between NV & ATI GPUs. Either will work fine for STI@home, but NV are better at MB & ATI are better at AP. When speaking of equivalent GPUs.
Several of the CPU tuning tips listed in the OP were things I had to figure out by trial and error on the one AMD system I have at work.
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Message 1699892 - Posted: 9 Jul 2015, 17:52:09 UTC - in response to Message 1699761.  

While I understand your argument and I respect your love of Intel and NVidia, I am simply an AMD person. I would like though to build and Intel/NVidia machine and I have looked into it. However, I must settle for what I have for now ($$$). As for response and speed, do not underestimate my build. It is very "snappy". An 8350, 16gb of ram, 512gb SSD and the R9 280x (soon to be two)at the base, make for a very fast and effective rig. SETI is obviously not a priority but a simple interest.

Something that does interest me though are the different WUs. I have nine Local:astropulse_v7 7.04 (opencl_ati_100) WUs in queue and then it's about 50/50, Local:setiathome_v7 7.0 and Local:setiathome_v7 7.03 (openclati5_cat_132), Where can I find information on the types of unit?

I do appreciate all of the help and suggestions though. Happy Crunching!
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Message 1699962 - Posted: 9 Jul 2015, 22:23:22 UTC

Some very brief personal observations:

AMD give best price performance;
Intel looks to have smashed AMD and so now Intel innovations have died;
GPGPUs rule for most efficient crunching.

Hence for myself, go AMD with the best GPU available.

Happy fast crunching!
Martin
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Message 1700036 - Posted: 10 Jul 2015, 2:19:24 UTC
Last modified: 10 Jul 2015, 2:20:00 UTC

I think I've put the cart ahead of the horse guys. I have a 750 PSU. According to tech specs my R9 280X is 280watts max. That gives me a little breathing room for a second card. However, an app I downloaded tells me otherwise. TechPowerUp
GPU-Z 0.8.4 is telling me I am drawing 80+amps. Far to much for another card. What am I not seeing?

Any suggestions? What are you guys running?
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Message 1700044 - Posted: 10 Jul 2015, 3:12:01 UTC

i have a computer that runs a pair of r9 290x that doesn't pull more than 530W from the wall
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Message 1700110 - Posted: 10 Jul 2015, 8:37:01 UTC

A FX CPU plus 2 GPU`s like that would be to risky to me with a 750 Watt PSU.
I dont think it will work.


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Message 1700126 - Posted: 10 Jul 2015, 10:24:44 UTC - in response to Message 1700110.  

Yep, I had that impression. I found this; http://www.extreme.outervision.com/psucalculator.jsp

I know it may not be perfect but, it put my needs at 733 watts. The outer limit of a 750watt PSU. It leaves no headroom...

ggrrr...

Oh well, I'll start looking around...

Happy Crunching guys...
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Message 1700202 - Posted: 10 Jul 2015, 15:15:45 UTC
Last modified: 10 Jul 2015, 15:17:40 UTC

Users with high end GPU`s from AMD using 15.x beta drivers should update to Cat 15.7 ASAP.
Its faster with less CPU usage.

APP runtime version 1800.5.


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Message 1700321 - Posted: 10 Jul 2015, 21:34:51 UTC - in response to Message 1700202.  

NOT YET! More to come. Lost 4 APs and can't find my GPU.
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Message 1700323 - Posted: 10 Jul 2015, 21:47:56 UTC - in response to Message 1700321.  

I should have stayed with my 14.12 drivers. I have it fixed now.... back on track...
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Message 1700327 - Posted: 10 Jul 2015, 22:10:55 UTC

Thanks for being the test rat Louis. I'll stay with the 14.1838 drivers for now.

BTW your RAC is looking a LOT better now. Good job!!

Bob
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Message boards : Number crunching : AMD CPU tips


 
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