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Number crunching :
Relative GPU Crunching Speeds
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Send message Joined: 26 Jul 08 Posts: 627 Credit: 94,940,203 RAC: 0 |
Hi, 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). |
Send message Joined: 21 Jul 08 Posts: 3 Credit: 33,031,789 RAC: 0 |
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. :) |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
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. |
Send message Joined: 6 Apr 08 Posts: 2018 Credit: 100,142,856 RAC: 0 |
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Send message Joined: 27 Aug 07 Posts: 915 Credit: 1,503,319 RAC: 0 |
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. I hope that isn't the triple fan card. Those are ugly. me@rescam.org |
Send message Joined: 6 Apr 08 Posts: 2018 Credit: 100,142,856 RAC: 0 |
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. 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. |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
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. LOL...there is a line there, but I'm afraid it would be taken out of context. Dang this internet thingy.... |
Send message Joined: 6 Apr 08 Posts: 2018 Credit: 100,142,856 RAC: 0 |
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. 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?... |
Send message Joined: 12 Nov 07 Posts: 2425 Credit: 524,164 RAC: 0 |
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. :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. |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
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. |
Send message Joined: 24 Nov 07 Posts: 9 Credit: 102,125,541 RAC: 0 |
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. |
Send message Joined: 24 Nov 07 Posts: 9 Credit: 102,125,541 RAC: 0 |
Does CPU speed matter when running Gpu app? Does 1 to 4 cpu cores make any difference while running Gpu app? |
Send message Joined: 6 Apr 08 Posts: 2018 Credit: 100,142,856 RAC: 0 |
Does CPU speed matter when 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. |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
The 4850 is a seriously fast cruncher.....I estimate a RAC of over 50,000! Let's hope the best can be fed! |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
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! |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
315,673. Wow 15,000 in 5 hours. weeeee....... |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
3hrs and 15 minutes later .... 325,574 |
Send message Joined: 24 Dec 07 Posts: 1947 Credit: 240,884,648 RAC: 0 |
5hrs and 30 min later...341,661 |
Send message Joined: 4 Oct 08 Posts: 1734 Credit: 64,228,409 RAC: 0 |
You are really starting to motor there, Paul, compared to before. |
Send message Joined: 22 Mar 08 Posts: 65 Credit: 15,715,071 RAC: 0 |
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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