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Number crunching :
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Cruncher-American Send message Joined: 25 Mar 02 Posts: 1513 Credit: 370,893,186 RAC: 340 |
This is not my system, but the link was sent to me from the IT Admin at my company, and I had to share it. Hang 'em High! |
Zalster Send message Joined: 27 May 99 Posts: 5517 Credit: 528,817,460 RAC: 242 |
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Batter Up Send message Joined: 5 May 99 Posts: 1946 Credit: 24,860,347 RAC: 0 |
This is not my system, but the link was sent to me from the IT Admin at my company, and I had to share it. What is it? Just looking at it I can tell it won't be able to crunch GPU AP WU, they need a lot of CPU help. Please no vaporware, real machines you have at least touched. |
BMH Send message Joined: 27 May 99 Posts: 419 Credit: 166,294,083 RAC: 125 |
This is not my system, but the link was sent to me from the IT Admin at my company, and I had to share it. It looks like a tidy setup, but yeah, I'm not sure what its purpose is: the GPUs are only running off PCI Express 4x's also. Brian. |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
This is not my system, but the link was sent to me from the IT Admin at my company, and I had to share it. It is for coin mining. As the title is "In it for the Ã!" I am guessing Dogecoin. That boards only has 1 PCIe x16 slot the other 5 are x1. I like the look of those PCIe extenders. IIRC running the cards in x1 slots would be a significant slowdown for SETI@home use. However PCIe v3 may be enough bandwidth at x1 now. Maybe someone will do a test in different PCIe configurations as was done a few years ago to show the % slow down for running fewer PCIe lanes. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Batter Up Send message Joined: 5 May 99 Posts: 1946 Credit: 24,860,347 RAC: 0 |
Don't forget the CPU. SETI AP GPU WU needs a lot of help from the CPU. Any way only pictures of real computers you control please. |
SciManStev Send message Joined: 20 Jun 99 Posts: 6657 Credit: 121,090,076 RAC: 0 |
OK. This is my computer. Steve Warning, addicted to SETI crunching! Crunching as a member of GPU Users Group. GPUUG Website |
juan BFP Send message Joined: 16 Mar 07 Posts: 9786 Credit: 572,710,851 RAC: 3,799 |
Not related to the thread so it´s just curiosity, what is this thing beyound the number 04 on the date? Looks like a snake? BTw You guy´s are crazy... ok who cruncher is not? |
Mr. Kevvy Send message Joined: 15 May 99 Posts: 3799 Credit: 1,114,826,392 RAC: 3,319 |
Not related to the thread so it´s just curiosity, what is this thing beyound the number 04 on the date? Looks like a snake? From his profile: I have kept snakes since I was 7 years old, and currently have 14 of them... Going with snakeskin. Oh, and @Steve, whether you own that "rack" machine or not that you linked to, I'm glad you did, as I've never seen cabled off-board PCIe, so should I ever win a lotto and decide to build something way into the four figures, I've got some inspiration now. And it's nice to finally see Piggy*. :^) (* who seems to be taking it easy these days.) |
Lionel Send message Joined: 25 Mar 00 Posts: 680 Credit: 563,640,304 RAC: 597 |
... as I've never seen cabled off-board PCIe ... this from ebay http://www.ebay.com/itm/PCI-express-1x-to-16x-16x-1x-mining-Extender-Riser-Card-Power-USB3-0-cable-/271378879332 cheers |
juan BFP Send message Joined: 16 Mar 07 Posts: 9786 Credit: 572,710,851 RAC: 3,799 |
But it uses PCI x1 only, you can imagine the performance for cruching. |
Lint trap Send message Joined: 30 May 03 Posts: 871 Credit: 28,092,319 RAC: 0 |
Maybe not enough for a top-end card (690, 770+), but might be enough for a mid-level (460) card.
The software tool 'NVidia Inspector' has a Bus Usage monitor which is not enabled by default. IIRC, one of my factory o/c'd 460's needed about 35% of a pcie v1 x4 slot to crunch 2 version 6 mb's simultaneously. That was on a long gone E8400 C2D system. Crunching 1 AP + 1 MB today, with the same model of 460 in a pcie v2 x16 slot is using at most 5%, according to the monitor. Lt |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
1/16 is 6.25% So in theory your 460 would not see much if any slow down from running in a x1 slot if you are using 5% of the x16 slot. Which makes those x1 USB cabled PCIe extenders viable here. At least for mid range cards. Perhaps I could see about adding those to a few of my rack systems. As they have x4 and x8 slots, but not a lot of room for GPU's inside them. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Batter Up Send message Joined: 5 May 99 Posts: 1946 Credit: 24,860,347 RAC: 0 |
Aren't you afraid of a leak? OK. This is my computer. |
BMH Send message Joined: 27 May 99 Posts: 419 Credit: 166,294,083 RAC: 125 |
My top rig... a couple of PSUs and a few GPUs, all neatly cobbled together :D https://farm3.staticflickr.com/2871/13892757234_ccd09f121b_b.jpg Brian. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36556 Credit: 261,360,520 RAC: 489 |
My top rig... a couple of PSUs and a few GPUs, all neatly cobbled together :D I knock the "s" out "https" so people can see what you have much easier. ;-) Cheers. |
BMH Send message Joined: 27 May 99 Posts: 419 Credit: 166,294,083 RAC: 125 |
I knock the "s" out "https" so people can see what you have much easier. ;-) Thanks! I wondered why it wasn't showing, which is why I put the link in :D Flickr changing things since I last shared a picture I suspect. Brian. |
Zalster Send message Joined: 27 May 99 Posts: 5517 Credit: 528,817,460 RAC: 242 |
WOW, Brian...now that is great ModDIY cruncher |
Cliff Harding Send message Joined: 18 Aug 99 Posts: 1432 Credit: 110,967,840 RAC: 67 |
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z7z Send message Joined: 4 Aug 99 Posts: 3 Credit: 77,349,493 RAC: 267 |
Here's my rig 6982903. It's builded from scrap and used components. 2 x unknown 53xx Xeon (marked as "Intel confidential") 1 x EVGA GTX560Ti 1 x GTS450 by Palit |
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