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Cluster Physik

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Message 13162 - Posted: 27 Feb 2009, 23:32:19 UTC - in response to Message 13159.  

Hi,

I know it's old technology but what about this card?

SAPPHIRE 100228L Radeon HD 3850 512MB 256-bit GDDR3 AGP 4X/8X

How much speed loss because of the AGP Bus?

Thanks

Most likely something in between not notable and none.
But be aware that for the same price you could get more than twice the power with a HD4800 series card (not AGP of course).
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Message 13165 - Posted: 27 Feb 2009, 23:37:51 UTC - in response to Message 13162.  
Last modified: 27 Feb 2009, 23:38:14 UTC


SAPPHIRE 100228L Radeon HD 3850 512MB 256-bit GDDR3 AGP 4X/8X

Most likely something in between not notable and none.
But be aware that for the same price you could get more than twice the power with a HD4800 series card (not AGP of course).


Thanks for the info.

I only have one computer with AGP capable of using that card and I must change the power supply to accomodate it. :)
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Message 13824 - Posted: 4 Mar 2009, 3:17:49 UTC

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.
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Message 13834 - Posted: 4 Mar 2009, 7:42:05 UTC - in response to Message 13824.  
Last modified: 4 Mar 2009, 7:43:49 UTC

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

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Message 13867 - Posted: 4 Mar 2009, 17:43:54 UTC - in response to Message 13834.  

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

I hope that isn't the triple fan card. Those are ugly.
me@rescam.org
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Message 13871 - Posted: 4 Mar 2009, 17:54:44 UTC - in response to Message 13867.  
Last modified: 4 Mar 2009, 17:55:27 UTC

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

I hope that isn't the triple fan card. Those are ugly.

Only one fan, but it's BIG. It's very pretty, and would look good dangling from the interior mirror in my car, but unfortunately it's hidden by a computer case.

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Profile The Gas Giant
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Message 13893 - Posted: 4 Mar 2009, 20:19:02 UTC - in response to Message 13871.  

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

I hope that isn't the triple fan card. Those are ugly.

Only one fan, but it's BIG. It's very pretty, and would look good dangling from the interior mirror in my car, but unfortunately it's hidden by a computer case.

LOL...there is a line there, but I'm afraid it would be taken out of context. Dang this internet thingy....
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Message 13897 - Posted: 4 Mar 2009, 20:45:43 UTC - in response to Message 13893.  
Last modified: 4 Mar 2009, 20:46:48 UTC

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

I hope that isn't the triple fan card. Those are ugly.

Only one fan, but it's BIG. It's very pretty, and would look good dangling from the interior mirror in my car, but unfortunately it's hidden by a computer case.

LOL...there is a line there, but I'm afraid it would be taken out of context. Dang this internet thingy....

Hmmmmm, this internet thingy is very useful actually. I'm thinking about buying another HD4850 - with Zalman fan. It's a BIG fan and comes with a clock speed of 700 MHz. Hmmmmmm, that should get me flying again...

Only one minor problem. There is no way I can fit a brick into my Small Form Factor with the CPU right behind the PCI-E slot. But then, I fitted a Sapphire brick into my other SFF... where's my hammer?...

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Message 13898 - Posted: 4 Mar 2009, 20:45:51 UTC - in response to Message 13893.  

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

My ASUS EAH4870 claims to have the "Worlds's Fastest DDR5 Memory". Now how fast is that?

I already installed it and it's 'fast'.

I hope that isn't the triple fan card. Those are ugly.

Only one fan, but it's BIG. It's very pretty, and would look good dangling from the interior mirror in my car, but unfortunately it's hidden by a computer case.

LOL...there is a line there, but I'm afraid it would be taken out of context. Dang this internet thingy....


:P

The fan in the PS3 is good size, ~4.5-5 in. It does great at cooling the cores off and is quiet. My room turns into an oven if it's running hard for awhile.
Doesn't expecting the unexpected make the unexpected the expected?
If it makes sense, DON'T do it.
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Profile The Gas Giant
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Message 13904 - Posted: 4 Mar 2009, 21:21:43 UTC - in response to Message 13824.  

I've been a BAD BOY and just purchased an ASUS EAH4850 w 512MB DDR3 RAM for A$243 (US$155). I'll install it tonight and see what happens.

Looks like 9.1 drivers don't work for me. I'll now have to wait 12 hrs to have another go....dang this having to work for a living!

Love to have gotten a 4870 or even I see 4890's are out, but I felt the 4850 at half the price of the 4870 was the best bang for my buck.
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Message 13940 - Posted: 5 Mar 2009, 2:35:28 UTC
Last modified: 5 Mar 2009, 2:36:46 UTC

Does this look right?? Its putting out 4 at a time in just over 2 min.
No other projects running.

Boinc 6.5.0 Winxp32 HIS-4850 stock.



<core_client_version>6.5.0</core_client_version>
<![CDATA[
<stderr_txt>
Running Milkyway@home ATI GPU application version 0.19 by Gipsel
CPU: AMD Athlon(tm) Dual Core Processor 5050e (2 cores/threads) 2.61209 GHz (621ms)
CAL Runtime: 1.3.145
Found 1 CAL devices
Device 0: ATI Radeon HD 4800 (RV770) 512 MB local RAM (28 MB cached + 256 MB uncached remote)
GPU core clock: 625 MHz, memory clock: 250 MHz
800 shader units organized in 10 SIMDs with 16 5-issue VLIW units each supporting double precision

Calculated about 3.70012e+012 floatingpoint ops on GPU, 6.34181e+007 on FPU.
Calculated about 1.15629e+011 floatingpoint ops on GPU, 5.38792e+006 on FPU.
Calculated about 1.15629e+011 floatingpoint ops on GPU, 5.38792e+006 on FPU.
Calculated about 2.60682e+009 floatingpoint ops on FPU (stars).
WU completed. It took 35.0313 seconds CPU time and 128.06 seconds wall clock time @ 2.61209 GHz.
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Message 13941 - Posted: 5 Mar 2009, 2:39:20 UTC

Does CPU speed matter when running Gpu app?
Does 1 to 4 cpu cores make any difference while running Gpu app?
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Message 13961 - Posted: 5 Mar 2009, 7:53:59 UTC - in response to Message 13941.  
Last modified: 5 Mar 2009, 7:56:34 UTC

Does CPU speed matter when running Gpu app?
Does 1 to 4 cpu cores make any difference while running Gpu app?

I don't think CPU speed makes any material difference to crunching with ATI GPU. The crunching is done with the GPU with just a fraction work done by the CPU.

If I have 4 GPU WUs crunching at once, or 2 at once, it makes no diffrence - I get the same throughput of MU WUs. I'm using a HD4850 and a HD4870 and the same applies, although I am not using your version of BOINC and maybe a different version of 0.19, so what works for you may be different for me.

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Message 13969 - Posted: 5 Mar 2009, 11:51:08 UTC

The 4850 is a seriously fast cruncher.....I estimate a RAC of over 50,000! Let's hope the best can be fed!
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Message 14076 - Posted: 6 Mar 2009, 5:13:08 UTC

My host in the last BOINCstats update has a total of 244,565 credits. As I type this it is at a total of 300,288 in My Account. Looks like the beast is being fed well!
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Message 14106 - Posted: 6 Mar 2009, 10:14:08 UTC
Last modified: 6 Mar 2009, 10:15:13 UTC

315,673.

Wow 15,000 in 5 hours. weeeee.......
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Message 14122 - Posted: 6 Mar 2009, 13:31:56 UTC
Last modified: 6 Mar 2009, 13:32:38 UTC

3hrs and 15 minutes later .... 325,574
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Message 14151 - Posted: 6 Mar 2009, 19:04:45 UTC
Last modified: 6 Mar 2009, 19:06:00 UTC

5hrs and 30 min later...341,661
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Message 14181 - Posted: 6 Mar 2009, 23:39:51 UTC

You are really starting to motor there, Paul, compared to before.
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Message 14216 - Posted: 7 Mar 2009, 6:38:04 UTC
Last modified: 7 Mar 2009, 6:41:52 UTC

Started up a 4850 this morning. Got home from work and have gone from 0 rac to 7,777.17 as of this posting. This is pretty wild. Anyone like to buy some 2 month old Nvidia cards? *kidding*

Here is the host, a tired old Dell Pentium D.

:D
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