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Poem@Home Gpu support! - Page 27

post #261 of 396
Quote:
Originally Posted by nanoprobe View Post

Congrats. Just remember.

biggrin.gif I don't think I would have ever caught you if you wouldn't have moved over to WCG.
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post #262 of 396
WCG was where I first started doing DC. POEM was my first attempt at GPU computing in an attempt to have it all ready to go when the WCG GPU app went live. Lost my mom to cancer many years ago and I'm a cancer survivor so that is where my DC passion will always go first. Don't think the WCG GPU cancer project will last much longer. The original forecast of 500+ days of work on 10/17 is now down to about 100 days left. Some heavy hitters over there now.
Again, congrats on your POEM achievements. thumb.gif By the time I return I'll probably never catch back up to you.biggrin.gif
    
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post #263 of 396
Quote:
Originally Posted by nanoprobe View Post

WCG was where I first started doing DC. POEM was my first attempt at GPU computing in an attempt to have it all ready to go when the WCG GPU app went live. Lost my mom to cancer many years ago and I'm a cancer survivor so that is where my DC passion will always go first. Don't think the WCG GPU cancer project will last much longer. The original forecast of 500+ days of work on 10/17 is now down to about 100 days left. Some heavy hitters over there now.
Again, congrats on your POEM achievements. thumb.gif By the time I return I'll probably never catch back up to you.biggrin.gif

Don't want to sound like I am sucking up but it's members like you that make this team a great success.

All the best in your crunching endeavors, nano. xD
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post #264 of 396
Quote:
Originally Posted by nanoprobe View Post

WCG was where I first started doing DC. POEM was my first attempt at GPU computing in an attempt to have it all ready to go when the WCG GPU app went live. Lost my mom to cancer many years ago and I'm a cancer survivor so that is where my DC passion will always go first. Don't think the WCG GPU cancer project will last much longer. The original forecast of 500+ days of work on 10/17 is now down to about 100 days left. Some heavy hitters over there now.
Again, congrats on your POEM achievements. thumb.gif By the time I return I'll probably never catch back up to you.biggrin.gif
Cancer survivors FTW thumb.gif

I want to run this on both my 6870 and 9800GT, but can't figure out how to set up the "app_info" file. Currently I have 6 WUs running on the 6870 and have just resigned to running DiRT on the 9800GT. Any help would be greatly appreciated.
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post #265 of 396
Quote:
Originally Posted by nanoprobe View Post

WCG was where I first started doing DC. POEM was my first attempt at GPU computing in an attempt to have it all ready to go when the WCG GPU app went live. Lost my mom to cancer many years ago and I'm a cancer survivor so that is where my DC passion will always go first. Don't think the WCG GPU cancer project will last much longer. The original forecast of 500+ days of work on 10/17 is now down to about 100 days left. Some heavy hitters over there now.
Again, congrats on your POEM achievements. thumb.gif By the time I return I'll probably never catch back up to you.biggrin.gif

Thanks for your contribution biggrin.gif I may join you after this BGB event on WCG thumb.gif
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post #266 of 396
So I am getting lower than expected PPD with my POEM setup.

Running 5 tasks on my 7950 @1200MHz using 0.8 CPU cores each give run times of ~30 mins.

I tried dropping to 4 tasks using 1 GPU core each and although each task completes faster overall it is a little slower.

Overall I am getting ~700k PPD with a 7950 at 1200MHz, I think it should be higher.

Two thoughts:

  1. My CPU is at stock, perhaps OCing it would help
  2. I have my sound card plugged in to my other PCIe x16 slot so my GPU is running at 2.0 x8 rather than 2.0 x16. This shouldn't make a difference, but maybe it does.


Anyone have any input on this?
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post #267 of 396
Quote:
Originally Posted by GingerJohn View Post

So I am getting lower than expected PPD with my POEM setup.
Running 5 tasks on my 7950 @1200MHz using 0.8 CPU cores each give run times of ~30 mins.
I tried dropping to 4 tasks using 1 GPU core each and although each task completes faster overall it is a little slower.
Overall I am getting ~700k PPD with a 7950 at 1200MHz, I think it should be higher.
Two thoughts:
  1. My CPU is at stock, perhaps OCing it would help
  2. I have my sound card plugged in to my other PCIe x16 slot so my GPU is running at 2.0 x8 rather than 2.0 x16. This shouldn't make a difference, but maybe it does.
Anyone have any input on this?

8x is fine my poem is setup at .75 cpu and i getting 5 done every 18-19 mins with my gpu at 1150. I tried to run my gpu faster and my workunits slowed down if your overclock is not stable maybe poem has some type error correcting and takes them longer im not sure tho.
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post #268 of 396
Quote:
Originally Posted by Bal3Wolf View Post

8x is fine my poem is setup at .75 cpu and i getting 5 done every 18-19 mins with my gpu at 1150. I tried to run my gpu faster and my workunits slowed down if your overclock is not stable maybe poem has some type error correcting and takes them longer im not sure tho.

Good point, worth a shot

First I will try bumping the core voltage, then dropping the clocks and see if that changes anything.

I am tempted to try pulling my sound card even if just to rule it out - you never know.

Edit 1: No change in completion time from raising the GPU voltage, now to try at 1050

Edit 2: And dropping the clocks to 1050 slows everything down.

Back to square 1. After the BGB I will try pulling the sound card on the off chance, then it is OCing my CPU.
Edited by GingerJohn - 11/7/12 at 8:59pm
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post #269 of 396
Quote:
Originally Posted by GingerJohn View Post

Quote:
Originally Posted by Bal3Wolf View Post

8x is fine my poem is setup at .75 cpu and i getting 5 done every 18-19 mins with my gpu at 1150. I tried to run my gpu faster and my workunits slowed down if your overclock is not stable maybe poem has some type error correcting and takes them longer im not sure tho.

Good point, worth a shot

First I will try bumping the core voltage, then dropping the clocks and see if that changes anything.

I am tempted to try pulling my sound card even if just to rule it out - you never know.

Edit 1: No change in completion time from raising the GPU voltage, now to try at 1050

Edit 2: And dropping the clocks to 1050 slows everything down.

Back to square 1. After the BGB I will try pulling the sound card on the off chance, then it is OCing my CPU.

Seems weird to me. I highly doubt your CPU would increase the WU times by such a substantial amount. My card at 1075 is running 6 tasks at ~24 minutes per. Running 5 WUs i was getting ~ 20 min per, with just slightly lower ppd(both slightly over 1 mil). Based on Bal3's results as well as yours, it does not look like the CPU ratio assigned per WU makes much of a difference. I know some users set it to 0.5 CPU. I don't know man, wish I could help more. mad.gif

Is the amount of Gflops set correctly, memory?(not that it should matter overmuch)


Edit* Maybe do a driver reinstall of the 12.11beta. Come to think of it, ~700k was about what I was getting in POEM before new drivers. Maybe the driver isnt fully utilizing your card. What is you GPU utilization?
Edited by Biorganic - 11/7/12 at 9:50pm
 
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post #270 of 396
Quote:
Originally Posted by Biorganic View Post

Seems weird to me. I highly doubt your CPU would increase the WU times by such a substantial amount. My card at 1075 is running 6 tasks at ~24 minutes per. Running 5 WUs i was getting ~ 20 min per, with just slightly lower ppd(both slightly over 1 mil). Based on Bal3's results as well as yours, it does not look like the CPU ratio assigned per WU makes much of a difference. I know some users set it to 0.5 CPU. I don't know man, wish I could help more. mad.gif

Is the amount of Gflops set correctly, memory?(not that it should matter overmuch)

Gflops set at 2.1e10, memory at 3072

Here is my app_info file, see if you can spot anything:
app_info (Click to show)
Code:
<app_info>
<app>
<name>poemcl</name>
<user_friendly_name>POEM++ OpenCL</user_friendly_name>
</app>

<file_info>
<name>poemcl_1.3_windows_intelx86__opencl_ati_100</name>
<executable/>
</file_info>

<app_version>
<app_name>poemcl</app_name>
<version_num>103</version_num>
<platform>windows_intelx86</platform>
<avg_ncpus>0.75</avg_ncpus>
<max_ncpus>0.75</max_ncpus>
<flops>2.1e10</flops>
<plan_class>opencl_ati_100</plan_class>
<api_version>7.1.28</api_version>
<file_ref>
<file_name>poemcl_1.3_windows_intelx86__opencl_ati_100</file_name>
<main_program/>
</file_ref>
<coproc>
<type>ATI</type>
<count>0.2</count>
</coproc>
<cmdline></cmdline>
<gpu_ram>3072.000000</gpu_ram>
</app_version>
</app_info>

Right now I am thinking it is either the CPU speed or maybe the whole 2.0 x8 thing.

I notice that my measured speeds on the POEM website are also slower than yours and bal3Wolf's, I wonder why that is.
Edited by GingerJohn - 11/7/12 at 9:51pm
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Main
(21 items)
 
HTPC
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CPUMotherboardGraphicsRAM
i5 2550k P8P67 Pro Sapphire HD 7950 G.Skill RipJaws X 1600 Cas 9 
Hard DriveHard DriveHard DriveCooling
Corsair Force 120 WD Blue 500GB WD Caviar Green 1TB XSPC RayStorm 
CoolingCoolingCoolingCooling
RX240 MCR 220 EK 7950 Copper Acetal  DDC-1T 
OSMonitorMonitorKeyboard
Windows 7 64-bit Dell U2311H Oculus Rift DK2 Ducky Shine 3 MX Brown 
PowerCaseMouseAudio
Corsair TX 750W CoolerMaster CM690 II G500 Klipsch ProMedia 2.1 
Audio
Asus Xonar DX 
CPUMotherboardRAMHard Drive
A10-6800K Gigabyte GA-F2A85XN-WIFI G Skill 1600 CAS9 Kingston SSD Now 60GB 
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